Eclipse / Sonar Analysis - java.lang.OutOfMemoryError: PermGen space - eclipse

Good morning,
i am trying to syncronize my Eclipse project with the Sonar server we have in our Company. I tried with 2 completely different computers/environments but cannot find a solution, even if I tried to apply every suggested tip found here (stackOverflow) or elsewhere.
It seems (as clearly explained by the stacktrace) that I may have a memory lack and, since the project is really huge, it may be obvious, but pheraps I cannot (or I don't know) how to launch eclipse with more memory.
I modified the eclipse.ini as below:
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20140415-2008.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.200.v20140603-1326
-product
org.eclipse.epp.package.standard.product
--launcher.defaultAction
openFile
--launcher.XXMaxPermSize
256M
-showsplash
org.eclipse.platform
--launcher.XXMaxPermSize
1024m
--launcher.defaultAction
openFile
--launcher.appendVmargs
-vmargs
-Dosgi.requiredJavaVersion=1.7
-Xms512m
-Xmx2048m
-XX:MaxPermSize=2048m
but nothing.
Later modified the Windows / Preferences / SonarQube / JVM arguments for analysis with:
-Xmx2048m
Tried later Windows / Preferences / SonarQube / Preview Analysis Properties with:
wrapper.java.maxmemory = 6000
but nothing. Eclipse cannot finish analysis (maybe just cannot store data in local db).
These are the environment specs (of the best machine...):
Windows 8 64bit - 8GB RAM
java version "1.7.0"
Java(TM) SE Runtime Environment (build 1.7.0-b147)
Java HotSpot(TM) 64-Bit Server VM (build 21.0-b17, mixed mode)
Eclipse Standard/SDK
Version: Luna Release (4.4.0)
Build id: 20140612-0600
Retrieve remote issues of project PREPRODUZIONE...
Start SonarQube analysis on PREPRODUZIONE...
INFO: SonarQube Server 4.3
11:09:32.970 INFO - Incremental mode
11:09:32.972 INFO - Load batch settings
11:09:33.196 INFO - User cache: C:\Users\alex\.sonar\cache
11:09:33.201 INFO - Install plugins
11:09:33.235 INFO - Include plugins:
11:09:33.235 INFO - Exclude plugins: devcockpit, jira, pdfreport, views, report, buildstability, scmactivity, buildbreaker
11:09:41.588 INFO - Create JDBC datasource for jdbc:h2:C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\.sonartmp\preview1406279373883-0
11:09:42.716 INFO - Initializing Hibernate
11:09:45.471 INFO - Load project settings
11:09:45.553 INFO - Apply project exclusions
11:09:45.653 INFO - ------------- Scan PREPRODUZIONE
11:09:45.657 INFO - Load module settings
11:09:46.788 INFO - Loading technical debt model...
11:09:46.794 INFO - Loading technical debt model done: 6 ms
11:09:46.794 INFO - Loading rules...
11:09:47.056 INFO - Loading rules done: 262 ms
11:09:47.065 INFO - Configure Maven plugins
11:09:47.127 INFO - Compare to previous analysis (2014-07-10)
11:09:47.133 INFO - Compare over 30 days (2014-06-25, analysis of 2014-07-10 00:13:19.304)
11:09:47.140 INFO - Compare to previous version (2014-07-10)
11:09:47.425 INFO - Loaded quality gate 'RGI Standard - java '
11:09:47.824 INFO - Base dir: C:\ECLIPSE\3.3.2\PREPRODUZIONE
11:09:47.824 INFO - Working dir: C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core
11:09:47.824 INFO - Source dirs: C:\ECLIPSE\3.3.2\PREPRODUZIONE\src\java
11:09:47.824 INFO - Binary dirs: C:\ECLIPSE\3.3.2\PREPRODUZIONE\bin
11:09:47.824 INFO - Source encoding: windows-1252, default locale: it_IT
11:09:47.825 INFO - Index files
11:09:48.879 INFO - 1095 files indexed
11:09:53.579 INFO - Quality profile for java: RGI Standard
11:09:53.579 INFO - Quality profile for xml: Sonar way
11:09:53.898 INFO - JaCoCo report not found.
11:09:53.899 INFO - JaCoCo IT report not found.
11:09:53.899 INFO - JaCoCo reports not found.
11:09:53.915 INFO - Sensor JavaSquidSensor...
11:09:54.088 INFO - Java Main Files AST scan...
11:09:54.091 INFO - 1091 source files to be analyzed
11:10:04.092 INFO - 226/1091 files analyzed, current is C:\ECLIPSE\3.3.2\PREPRODUZIONE\src\java\it\boh\dbo\Vehicle.java
11:10:13.450 INFO - 1091/1091 source files analyzed
11:10:13.587 INFO - Java Main Files AST scan done: 19499 ms
11:10:13.624 INFO - Java bytecode scan...
11:10:14.759 INFO - Java bytecode scan done: 1135 ms
11:10:14.759 INFO - Java Test Files AST scan...
11:10:14.759 INFO - 0 source files to be analyzed
11:10:14.759 INFO - Java Test Files AST scan done: 0 ms
11:10:14.760 INFO - 0/0 source files analyzed
11:10:16.066 INFO - Sensor JavaSquidSensor done: 22151 ms
11:10:16.066 INFO - Sensor QProfileSensor...
11:10:16.067 INFO - Sensor QProfileSensor done: 1 ms
11:10:16.067 INFO - Sensor FindbugsSensor...
11:10:16.068 INFO - Execute Findbugs 2.0.3...
11:10:17.667 INFO - Found findbugs plugin: /C:/Users/alex/.sonar/cache/108e4763f8b1f4a0e9de5d1fa2aba85b/sonar-fb-contrib-plugin-1.2.jar_unzip/META-INF/lib/fb-contrib-4.8.5.jar
11:10:17.827 INFO - Findbugs output report: C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\findbugs-result.xml
Frame type field is null:false
11:11:20.205 INFO - Execute Findbugs 2.0.3 done: 64137 ms
11:11:20.287 INFO - Sensor FindbugsSensor done: 64220 ms
11:11:20.287 INFO - Sensor CpdSensor...
11:11:20.288 INFO - SonarEngine is used for java
11:11:20.294 INFO - Cross-project analysis disabled
11:11:23.923 INFO - Sensor CpdSensor done: 3636 ms
11:11:23.923 INFO - Sensor PmdSensor...
11:11:23.924 INFO - Execute PMD 5.1.1...
11:11:24.017 INFO - Java version: 1.5
11:11:24.095 INFO - PMD configuration: C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\pmd.xml
11:11:38.763 INFO - Execute PMD 5.1.1 done: 14839 ms
11:11:38.871 INFO - Sensor PmdSensor done: 14948 ms
11:11:38.871 INFO - Sensor XmlSensor...
11:11:39.069 INFO - Sensor XmlSensor done: 198 ms
11:11:39.070 INFO - Sensor LineCountSensor...
11:11:39.085 INFO - Sensor LineCountSensor done: 15 ms
11:11:39.086 INFO - Sensor SurefireSensor...
11:11:39.087 INFO - parsing C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\build\surefire-reports
11:11:39.087 WARN - Reports path not found: C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\build\surefire-reports
11:11:39.087 INFO - Sensor SurefireSensor done: 1 ms
11:11:39.087 INFO - Sensor CheckstyleSensor...
11:11:39.088 INFO - Execute Checkstyle 5.6...
11:11:39.161 INFO - Checkstyle configuration: C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\checkstyle.xml
11:11:54.484 INFO - Execute Checkstyle 5.6 done: 15396 ms
11:11:54.484 INFO - Sensor CheckstyleSensor done: 15397 ms
11:11:54.484 INFO - Sensor InitialOpenIssuesSensor...
11:11:54.733 INFO - Sensor InitialOpenIssuesSensor done: 249 ms
11:11:54.734 INFO - Sensor ProfileEventsSensor...
11:11:54.745 INFO - Sensor ProfileEventsSensor done: 11 ms
11:11:54.745 INFO - Sensor ProjectLinksSensor...
11:11:54.751 INFO - Sensor ProjectLinksSensor done: 6 ms
11:11:55.040 INFO - Execute decorators...
11:13:35.682 INFO - Export results to C:\ECLIPSE\3.3.2\.metadata\.plugins\org.eclipse.core.resources\.projects\PREPRODUZIONE\org.sonar.ide.eclipse.core\sonar-report.json
11:13:36.629 INFO - Store results in database
Exception in thread "main" org.sonar.runner.impl.RunnerException: Unable to execute Sonar
at org.sonar.runner.impl.BatchLauncher$1.delegateExecution(BatchLauncher.java:91)
at org.sonar.runner.impl.BatchLauncher$1.run(BatchLauncher.java:75)
at java.security.AccessController.doPrivileged(Native Method)
at org.sonar.runner.impl.BatchLauncher.doExecute(BatchLauncher.java:69)
at org.sonar.runner.impl.BatchLauncher.execute(BatchLauncher.java:50)
at org.sonar.runner.impl.BatchLauncherMain.execute(BatchLauncherMain.java:41)
at org.sonar.runner.impl.BatchLauncherMain.main(BatchLauncherMain.java:59)
Caused by: java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at org.sonar.runner.impl.IsolatedClassloader.loadClass(IsolatedClassloader.java:94)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.hibernate.hql.ast.SqlASTFactory.class$(SqlASTFactory.java:101)
at org.hibernate.hql.ast.SqlASTFactory.getASTNodeType(SqlASTFactory.java:103)
at antlr.ASTFactory.create(ASTFactory.java:152)
at antlr.ASTFactory.create(ASTFactory.java:186)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.updateStatement(HqlSqlBaseWalker.java:327)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:239)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:254)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:94)
at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1651)
at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:93)
at org.sonar.jpa.session.JpaDatabaseSession.createQuery(JpaDatabaseSession.java:184)
at org.sonar.batch.phases.UpdateStatusJob.setFlags(UpdateStatusJob.java:133)
at org.sonar.batch.phases.UpdateStatusJob.disablePreviousSnapshot(UpdateStatusJob.java:95)
Any other suggestions?
Thanks
Alessandro


Try going to Window / Preferences / SonarQube and enter your maxPermSize value in the "JVM arguments for preview analysis" box:


Set the below environment variable and the try to run the sonar runner
Variable Name: SONAR_RUNNER_OPTS
Variable Value: -Xmx512m -XX:MaxPermSize=128m

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at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:665)
at java.base/java.lang.Thread.run(Thread.java:834)
2020-10-17 16:45:30,603 [ 1381] INFO - llij.ide.plugins.PluginManager - Loaded bundled plugins: IDEA CORE (202.7660.26), com.intellij.platform.images (202.7660.26), JetBrains maven model api classes (202.7660.26), JetBrains Repository Search (202.7660.26), Subversion (202.7660.26), XPathView + XSLT (202.7660.26), XSLT Debugger (202.7660.26), Smali Support (202.7660.26), Configuration Script (202.7660.26), Copyright (202.7660.26), Gradle (202.7660.26), Java (202.7660.26), Bytecode Viewer (202.7660.26), JUnit (202.7660.26), Java IDE Customization (202.7660.26), Java Stream Debugger (202.7660.26), Eclipse Interoperability (202.7660.26), Java Bytecode Decompiler (202.7660.26), Windows 10 Light Theme (202.7660.26), Properties (202.7660.26), Ant (202.7660.26), Java Internationalization (202.7660.26), UI Designer (202.7660.26), JavaFX (202.7660.26), Resource Bundle Editor (202.7660.26), Machine Learning Code Completion (202.7660.26), Task Management (202.7660.26), Mercurial (202.7660.26), Webp Support (202.7660.26), EditorConfig (202.7660.26), Terminal (202.7660.26), Git (202.7660.26), ChangeReminder (202.7660.26), Next File Prediction (202.7660.26), GitHub (202.7660.26), Shell Script (202.7660.26), TextMate Bundles (202.7660.26), YAML (202.7660.26), Settings Repository (202.7660.26), IntelliLang (202.7660.26), TestNG (202.7660.26), Code Coverage for Java (202.7660.26), Groovy (202.7660.26), Maven (202.7660.26), Gradle-Java (202.7660.26), Plugin DevKit (202.7660.26), Gradle-Maven (202.7660.26), Kotlin (1.3.72-release-IJ2020.1-6), Android (10.4.0.202.7660.26), Markdown (202.7660.26), Grazie (202.7660.26)
2020-10-17 16:45:30,603 [ 1381] INFO - llij.ide.plugins.PluginManager - Loaded custom plugins: Scala (2020.2.27)
2020-10-17 16:45:31,089 [ 1867] INFO - m.intellij.util.io.StorageLock - lower=100; upper=500; buffer=10; max=1696
2020-10-17 16:45:31,108 [ 1886] INFO - tellij.util.io.FileChannelUtil - un-interruptible FileChannel-s will be used for indexes
2020-10-17 16:45:31,307 [ 2085] INFO - rains.ide.BuiltInServerManager - built-in server started, port 63343
2020-10-17 16:45:31,319 [ 2097] INFO - com.intellij.ide.ui.UISettings - Loaded: fontSize=13, fontScale=1.0; restored: fontSize=13, fontScale=1.0
2020-10-17 16:45:31,332 [ 2110] INFO - til.net.ssl.CertificateManager - Default SSL context initialized
2020-10-17 16:45:31,455 [ 2233] INFO - gs.impl.UpdateCheckerComponent - channel: release
2020-10-17 16:45:31,741 [ 2519] INFO - BridgeProjectLifecycleListener - Using legacy project model to open project
2020-10-17 16:45:31,849 [ 2627] INFO - pl.local.NativeFileWatcherImpl - Starting file watcher: D:\IntelliJ IDEA Community Edition 2020.2.3\bin\fsnotifier64.exe
2020-10-17 16:45:31,946 [ 2724] INFO - pl.local.NativeFileWatcherImpl - Native file watcher is operational.
2020-10-17 16:45:32,654 [ 3432] INFO - rojectCodeStyleSettingsManager - Loading Project code style
2020-10-17 16:45:32,681 [ 3459] INFO - rojectCodeStyleSettingsManager - Project code style loaded
2020-10-17 16:45:33,004 [ 3782] WARN - Container.ComponentManagerImpl - Do not use constructor injection (requestorClass=org.jetbrains.android.compose.AndroidComposeAutoDocumentation)
2020-10-17 16:45:33,716 [ 4494] INFO - leBasedIndexDataInitialization - Initialization done: 2408
2020-10-17 16:45:33,993 [ 4771] INFO - exImpl$StubIndexInitialization - Initialization done: 276
2020-10-17 16:45:34,205 [ 4983] WARN - tartup.impl.StartupManagerImpl - Activities registered via registerPostStartupActivity must be dumb-aware: org.jetbrains.plugins.scala.lang.psi.impl.toplevel.synthetic.SyntheticClassesListener$$Lambda$1296/0x0000000100f64440#1eb6449d
2020-10-17 16:45:34,248 [ 5026] INFO - j.ide.script.IdeStartupScripts - 0 startup script(s) found
2020-10-17 16:45:34,308 [ 5086] INFO - .CodeStyleSettingsInferService - settings inference skipped: already done
2020-10-17 16:45:34,320 [ 5098] INFO - pi.util.registry.RegistryValue - Registry value 'compiler.process.jdk' has changed to ''
2020-10-17 16:45:34,349 [ 5127] WARN - tartup.impl.StartupManagerImpl - Activities registered via registerPostStartupActivity must be dumb-aware: org.jetbrains.kotlin.idea.configuration.ui.KotlinConfigurationCheckerComponent$projectOpened$1#2764562c
2020-10-17 16:45:34,843 [ 5621] INFO - penapi.application.Experiments - Experimental features enabled for user: wsl.p9.support, wsl.p9.show.roots.in.file.chooser, inline.browse.button, linux.native.menu, recent.and.edited.files.together, show.create.new.element.in.popup, copy.reference.popup, new.large.text.file.viewer, property.value.inplace.editing, terminal.shell.command.handling, scala.uast.enabled
2020-10-17 16:45:36,312 [ 7090] INFO - ge.ExternalProjectsDataStorage - Load external projects data in 105 millis (read time: 88)
2020-10-17 16:45:36,638 [ 7416] INFO - CompilerWorkspaceConfiguration - Available processors: 8
2020-10-17 16:45:36,720 [ 7498] INFO - ation.SbtCompilationSupervisor - Listening to incoming sbt compilation events on port 0.
2020-10-17 16:45:36,733 [ 7511] INFO - ProjectRootPostStartUpActivity - C:/Users/Melih/Desktop/example/.idea case-sensitivity: expected=false actual=false
2020-10-17 16:45:36,795 [ 7573] INFO - .diagnostic.PerformanceWatcher - Post-startup activities under progress took 840ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:37,553 [ 8331] INFO - tor.impl.FileEditorManagerImpl - Project opening took 5917 ms
2020-10-17 16:45:37,722 [ 8500] INFO - .diagnostic.PerformanceWatcher - Pushing properties took 123ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:37,864 [ 8642] INFO - System.util.ExternalSystemUtil - External project [C:/Users/Melih/Desktop/example] resolution task started
2020-10-17 16:45:39,187 [ 9965] WARN - com.intellij.util.xmlb.Binding - no accessors for org.jetbrains.kotlin.idea.highlighter.KotlinDefaultHighlightingSettingsProvider
2020-10-17 16:45:46,515 [ 17293] INFO - gnostic.WindowsDefenderChecker - Windows Defender status: Failed to get excluded patterns
2020-10-17 16:45:55,228 [ 26006] INFO - System.util.ExternalSystemUtil - External project [C:/Users/Melih/Desktop/example] resolution task executed in 17364 ms.
2020-10-17 16:45:55,796 [ 26574] INFO - ge.ExternalProjectsDataStorage - Save external projects data in 58 ms
2020-10-17 16:45:55,950 [ 26728] WARN - com.intellij.util.xmlb.Binding - no accessors for org.jetbrains.kotlin.idea.core.script.configuration.utils.ScriptClassRootsStorage
2020-10-17 16:45:55,978 [ 26756] INFO - rationStore.ComponentStoreImpl - Saving Project(name=example, containerState=ACTIVE, componentStore=C:\Users\Melih\Desktop\example)CommitMessageInspectionProfile took 29 ms
2020-10-17 16:45:58,027 [ 28805] INFO - .diagnostic.PerformanceWatcher - Indexable file iteration took 20303ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:58,036 [ 28814] INFO - indexing.UnindexedFilesUpdater - Unindexed files update started: 0 files to index
2020-10-17 16:45:58,052 [ 28830] INFO - j.ide.actions.RevealFileAction - Exit code 1
2020-10-17 16:45:58,660 [ 29438] INFO - .ScalaCompilerReferenceService - Initialized ScalaCompilerReferenceService in example, current compiler mode = JPS
2020-10-17 16:45:59,967 [ 30745] INFO - .diagnostic.PerformanceWatcher - Searching for external libraries with Android resources. Found 0 libraries. took 13ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:59,967 [ 30745] INFO - .diagnostic.PerformanceWatcher - Searching for external libraries with Android resources. Found 0 libraries. took 3ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:59,967 [ 30745] INFO - .diagnostic.PerformanceWatcher - Searching for external libraries with Android resources. Found 0 libraries. took 13ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:45:59,967 [ 30745] INFO - .diagnostic.PerformanceWatcher - Searching for external libraries with Android resources. Found 0 libraries. took 13ms; general responsiveness: ok; EDT responsiveness: ok
2020-10-17 16:49:40,869 [ 251647] INFO - System.util.ExternalSystemUtil - External project [C:/Users/Melih/Desktop/example] resolution task started
2020-10-17 16:49:47,002 [ 257780] INFO - rationStore.ComponentStoreImpl - Saving Project(name=example, containerState=ACTIVE, componentStore=C:\Users\Melih\Desktop\example)KotlinCommonCompilerArguments took 17 ms, ScalaProjectSettings took 13 ms
2020-10-17 16:49:54,667 [ 265445] INFO - System.util.ExternalSystemUtil - External project [C:/Users/Melih/Desktop/example] resolution task executed in 13798 ms.
2020-10-17 16:49:55,129 [ 265907] INFO - ge.ExternalProjectsDataStorage - Save external projects data in 72 ms
2020-10-17 16:49:55,205 [ 265983] INFO - rationStore.ComponentStoreImpl - Saving Project(name=example, containerState=ACTIVE, componentStore=C:\Users\Melih\Desktop\example)JsonSchemaMappingsProjectConfiguration took 49 ms
2020-10-17 16:50:07,409 [ 278187] INFO - j.ide.actions.RevealFileAction - Exit code 1

Check the Java version, I resolved the same issue by downgrading the java version from 18 to 1.8
Spark 2.4.7, scala 2.11, and Java 1.8 will work.

It is not able to find some deps, let me show you
name := "neo4j-spark-scala-j8"
version := "0.1"
scalaVersion := "2.12.13"
libraryDependencies ++= Seq(
"org.apache.spark" %% "spark-core" % "3.1.0", //ok
"org.neo4j" % "neo4j-kernel" % "4.2.3", // ok
// "neo4j-contrib" % "neo4j-spark-connector" % "4.0.0" // it doesn't work
)
if I de-comment the last dep, I will get your same error

I had the same error before, when I installed SBT EXECUTOR plugin, every thing worked fine.
I hope it was useful.

I was facing the same issue while importing Spark dependencies. It worked well when I donwgraded my scalaVersion from 2.13 to 2.10.
Please try downgrading your scalaVersion to some lower version. It can work at you as well.

Nutch/Hadoop: regex-normalize.xml and regex-urlfilter.txt not found error even though they exist

I am trying to run nutch and hadoop through eclipse and followed a couple tutorials to set it up. I am currently stuck at a nullpointerexception that I believe is being caused due to regex-urlfilter.txt and regex-normalize.xml not being found.
Here is the error trace from the logs:-
[LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.conf.Configuration - regex-normalize.xml not found
4473 [LocalJobRunner Map Task Executor #0] WARN org.apache.nutch.net.urlnormalizer.regex.RegexURLNormalizer - Can't load the default rules!
4477 [LocalJobRunner Map Task Executor #0] DEBUG org.apache.nutch.util.ObjectCache - No object cache found for conf=Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-338737067/mapred/local/localRunner/338737067/job_local1524701719_0001/job_local1524701719_0001.xml, instantiating a new object cache
4486 [LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.conf.Configuration - regex-urlfilter.txt not found
4486 [LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.mapred.MapTask - Starting flush of map output
4516 [LocalJobRunner Map Task Executor #0] DEBUG org.apache.hadoop.util.concurrent.ExecutorHelper - afterExecute in thread: LocalJobRunner Map Task Executor #0, runnable type: java.util.concurrent.FutureTask
4516 [Thread-3] INFO org.apache.hadoop.mapred.LocalJobRunner - map task executor complete.
4521 [Thread-3] WARN org.apache.hadoop.mapred.LocalJobRunner - job_local1524701719_0001
java.lang.Exception: java.lang.NullPointerException
at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:491)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:551)
Both these files exist in \workspace\apache-nutch-1.16\conf folder and I am not sure what I am doing wrong. I have double checked that my environment variables are set correctly for HADOOP_HOME and HADOOP_BIN and they are pointing to the right directories. I am not sure which directory they are looking into to find regex-urlfilter.txt and regex-normalize.xml. Any help in resolving this issue would be appreciated.
I am using Hadoop 3.0.0 and apache-nutch-1.16.

The conf/ folder needs to be on the Java classpath. This is easiest done by running Nutch using one of the provided scripts bin/nutch or bin/crawl. If the binary package is used, the script location is apache-nutch-1.16/bin/nutch. With the source package it's apache-nutch-1.16/runtime/local/bin/nutch after ant runtime has been executed. Using the scripts also allows to have the configuration files in a different directory and point NUTCH_CONF_DIR to this directory. The scripts will just put this location in front of the classpath.

Run protractor test script in multiple nodes (os platform) via selenium grid

I am currently trying to run Protractor test script using selenium grid. My goal is to distribute Protractor test scripts to multiple nodes running under different flavor of OS. It should also run different parts of test script in parallel to save execution time. Current setup works when I use webdriver-manager to distribute test with multiple instances, but webdriver-manager would let me use only one node. I know it's possible to overcome this issue with selenium grid, but I am having following errors test console:
node_modules/selenium-webdriver/error.js:26
constructor(opt_error) {
^
WebDriverError: The path to the driver executable must be set by the webdriver.chrome.driver system property; for more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be downloaded from http://chromedriver.storage.googleapis.com/index.html
at WebDriverError (./node_modules/selenium-webdriver/error.js:26:26)
at Object.checkLegacyResponse (./node_modules/selenium-webdriver/error.js:580:13)
at ./node_modules/selenium-webdriver/lib/webdriver.js:64:13
at Promise.invokeCallback_ (./node_modules/selenium-webdriver/lib/promise.js:1329:14)
at TaskQueue.execute_ (./node_modules/selenium-webdriver/lib/promise.js:2790:14)
at TaskQueue.executeNext_ (./node_modules/selenium-webdriver/lib/promise.js:2773:21)
at ./node_modules/selenium-webdriver/lib/promise.js:2652:27
at ./node_modules/selenium-webdriver/lib/promise.js:639:7
at process._tickCallback (internal/process/next_tick.js:103:7)
From: Task: WebDriver.createSession()
at acquireSession (./node_modules/selenium-webdriver/lib/webdriver.js:62:22)
at Function.createSession (./node_modules/selenium-webdriver/lib/webdriver.js:295:12)
at Builder.build (./node_modules/selenium-webdriver/builder.js:458:24)
at [object Object].DriverProvider.getNewDriver (./node_modules/protractor/built/driverProviders/driverProvider.js:42:27)
at [object Object].Runner.createBrowser (./node_modules/protractor/built/runner.js:203:37)
at ./node_modules/protractor/built/runner.js:293:21
at _fulfilled (./node_modules/q/q.js:834:54)
at self.promiseDispatch.done (./node_modules/q/q.js:863:30)
at Promise.promise.promiseDispatch (./node_modules/q/q.js:796:13)
at ./node_modules/q/q.js:556:49
[launcher] Process exited with error code 1
Also, selenium node that I registered complains with following messages:
$ java -jar /Users/user/Desktop/selenium-server-standalone-2.52.0.jar -role node -hub http://localhost:4444/grid/register Dwebdriver.chrome.driver="./node_modules/protractor/selenium/chromedriver_2.21" -browser "browserName=chrome,version=ANY,platform=MAC,maxInstances=20"
14:40:17.078 INFO - Launching a Selenium Grid node
14:40:17.126 INFO - Adding browserName=chrome,version=ANY,platform=MAC,maxInstances=20
14:40:17.515 INFO - Java: Oracle Corporation 25.74-b02
14:40:17.515 INFO - OS: Mac OS X 10.11.6 x86_64
14:40:17.521 INFO - v2.52.0, with Core v2.52.0. Built from revision 4c2593c
14:40:17.570 INFO - Driver provider org.openqa.selenium.ie.InternetExplorerDriver registration is skipped:
registration capabilities Capabilities [{ensureCleanSession=true, browserName=internet explorer, version=, platform=WINDOWS}] does not match the current platform MAC
14:40:17.570 INFO - Driver provider org.openqa.selenium.edge.EdgeDriver registration is skipped:
registration capabilities Capabilities [{browserName=MicrosoftEdge, version=, platform=WINDOWS}] does not match the current platform MAC
14:40:17.570 INFO - Driver class not found: com.opera.core.systems.OperaDriver
14:40:17.570 INFO - Driver provider com.opera.core.systems.OperaDriver is not registered
14:40:17.630 INFO - Selenium Grid node is up and ready to register to the hub
14:40:17.650 INFO - Starting auto registration thread. Will try to register every 5000 ms.
14:40:17.650 INFO - Registering the node to the hub: http://localhost:4444/grid/register
14:40:17.669 INFO - The node is registered to the hub and ready to use
14:41:32.968 INFO - Executing: [new session: Capabilities [{rootElement=*[ng-app], count=1, browserName=chrome, maxInstances=4, shardTestFiles=true}]])
14:41:32.977 INFO - Creating a new session for Capabilities [{rootElement=*[ng-app], count=1, browserName=chrome, maxInstances=4, shardTestFiles=true}]
14:41:32.998 WARN - Exception thrown
java.util.concurrent.ExecutionException: org.openqa.selenium.WebDriverException: java.lang.reflect.InvocationTargetException
Build info: version: '2.52.0', revision: '4c2593c', time: '2016-02-11 19:06:42'
System info: host: 'user-M-C19J', ip: '10.128.164.26', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.11.6', java.version: '1.8.0_74'
Driver info: driver.version: unknown
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.openqa.selenium.remote.server.DefaultSession.execute(DefaultSession.java:183)
at org.openqa.selenium.remote.server.DefaultSession.<init>(DefaultSession.java:119)
at org.openqa.selenium.remote.server.DefaultSession.createSession(DefaultSession.java:95)
at org.openqa.selenium.remote.server.DefaultDriverSessions.newSession(DefaultDriverSessions.java:124)
at org.openqa.selenium.remote.server.handler.NewSession.handle(NewSession.java:59)
at org.openqa.selenium.remote.server.handler.NewSession.handle(NewSession.java:1)
at org.openqa.selenium.remote.server.rest.ResultConfig.handle(ResultConfig.java:111)
at org.openqa.selenium.remote.server.JsonHttpCommandHandler.handleRequest(JsonHttpCommandHandler.java:79)
at org.openqa.selenium.remote.server.DriverServlet.handleRequest(DriverServlet.java:202)
at org.openqa.selenium.remote.server.DriverServlet.doPost(DriverServlet.java:164)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at org.openqa.selenium.remote.server.DriverServlet.service(DriverServlet.java:130)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
at org.openqa.jetty.jetty.servlet.ServletHolder.handle(ServletHolder.java:428)
at org.openqa.jetty.jetty.servlet.ServletHandler.dispatch(ServletHandler.java:680)
at org.openqa.jetty.jetty.servlet.ServletHandler.handle(ServletHandler.java:571)
at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1526)
at org.openqa.jetty.http.HttpContext.handle(HttpContext.java:1479)
at org.openqa.jetty.http.HttpServer.service(HttpServer.java:920)
at org.openqa.jetty.http.HttpConnection.service(HttpConnection.java:820)
at org.openqa.jetty.http.HttpConnection.handleNext(HttpConnection.java:986)
at org.openqa.jetty.http.HttpConnection.handle(HttpConnection.java:837)
at org.openqa.jetty.http.SocketListener.handleConnection(SocketListener.java:243)
at org.openqa.jetty.util.ThreadedServer.handle(ThreadedServer.java:358)
at org.openqa.jetty.util.ThreadPool$PoolThread.run(ThreadPool.java:537)
Caused by: org.openqa.selenium.WebDriverException: java.lang.reflect.InvocationTargetException
Build info: version: '2.52.0', revision: '4c2593c', time: '2016-02-11 19:06:42'
System info: host: 'user-M-C19J', ip: '10.128.164.26', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.11.6', java.version: '1.8.0_74'
Driver info: driver.version: unknown
at org.openqa.selenium.remote.server.DefaultDriverProvider.callConstructor(DefaultDriverProvider.java:113)
at org.openqa.selenium.remote.server.DefaultDriverProvider.newInstance(DefaultDriverProvider.java:97)
at org.openqa.selenium.remote.server.DefaultDriverFactory.newInstance(DefaultDriverFactory.java:60)
at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:222)
at org.openqa.selenium.remote.server.DefaultSession$BrowserCreator.call(DefaultSession.java:1)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at org.openqa.selenium.remote.server.DefaultSession$1.run(DefaultSession.java:176)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.openqa.selenium.remote.server.DefaultDriverProvider.callConstructor(DefaultDriverProvider.java:103)
... 9 more
Caused by: java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.chrome.driver system property; for more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be downloaded from http://chromedriver.storage.googleapis.com/index.html
at com.google.common.base.Preconditions.checkState(Preconditions.java:199)
at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:109)
at org.openqa.selenium.chrome.ChromeDriverService.access$0(ChromeDriverService.java:1)
at org.openqa.selenium.chrome.ChromeDriverService$Builder.findDefaultExecutable(ChromeDriverService.java:137)
at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:296)
at org.openqa.selenium.chrome.ChromeDriverService.createDefaultService(ChromeDriverService.java:88)
at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:138)
... 14 more
14:41:33.002 WARN - Exception: The path to the driver executable must be set by the webdriver.chrome.driver system property; for more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be downloaded from http://chromedriver.storage.googleapis.com/index.html
this is my current configuration:
seleniumAddress: 'http://localhost:4444/wd/hub',
chromeDriver: './node_modules/protractor/selenium/chromedriver_2.21',
capabilities: {
'rootElement': '*[ng-app]',
'browserName': 'chrome', // chrome, firefox, or phantomjs
'shardTestFiles': true,
'maxInstances': 3
}
I ran the following command line to launch hub:
java -jar /Users/xxx/selenium-server-standalone-3.0.0-beta2.jar -role hub
and following is for running node:
java -jar /Users/xxx/selenium-server-standalone-3.0.0-beta2.jar -role node -hub http://localhost:4444/grid/register
Chrome driver is under: /node_modules/protractor/selenium/chromedriver_2.21
Has anyone successfully configure protractor with selenium grid?

Webdriver_manager is bundled in npm as a quick solution for starting server and is not a comprehensive solution as Selenium Grid. Grid should be used for all professional distributed execution environment.
Check this link for response from Julie
Webdriver-Manager doesn't have options for hub & node
And regarding Protractor with Selenium Grid, I did use local Grid and also Sauce Labs.
You should pass the chrome driver property when initializing the node.
java -jar /Users/xxx/selenium-server-standalone-3.0.0-beta2.jar -role node -hub http://*******:4444/grid/register/ -Dwebdriver.chrome.driver=C:/Users/<>/AppData/Roaming/npm/node_modules/protractor/selenium/chromedriver.exe
The protractor Conf - chromedriver option is not passed over grid and it works for only webdriver-manager.

OrientDB & .Net driver: Unable to read data from the transport connection

Getting error while reading network stream from a successful socket connection. PL see the debug log from orient DB:
2016-04-08 18:08:51:590 WARNI Not enough physical memory available for DISKCACHE: 1,977MB (heap=494MB). Set lower Maximum Heap (-Xmx setting on JVM) and restart OrientDB. Now
running with DISKCACHE=256MB [orientechnologies]
2016-04-08 18:08:51:606 INFO OrientDB config DISKCACHE=-566MB (heap=494MB os=1,977MB disk=16,656MB) [orientechnologies]
2016-04-08 18:08:51:809 INFO Loading configuration from: C:/inetpub/wwwroot/orientdb-2.1.5/config/orientdb-server-config.xml... [OServerConfigurationLoaderXml]
2016-04-08 18:08:52:292 INFO OrientDB Server v2.1.5 (build 2.1.x#r${buildNumber}; 2015-10-29 16:54:25+0000) is starting up... [OServer]
2016-04-08 18:08:52:370 INFO Databases directory: C:\inetpub\wwwroot\orientdb-2.1.5\databases [OServer]
2016-04-08 18:08:52:495 INFO Listening binary connections on 127.0.0.1:2424 (protocol v.32, socket=default) [OServerNetworkListener]
2016-04-08 18:08:52:511 INFO Listening http connections on 127.0.0.1:2480 (protocol v.10, socket=default) [OServerNetworkListener]
2016-04-08 18:08:52:573 INFO Installing dynamic plugin 'studio-2.1.zip'... [OServerPluginManager]
2016-04-08 18:08:52:838 INFO Installing GREMLIN language v.2.6.0 - graph.pool.max=50 [OGraphServerHandler]
2016-04-08 18:08:52:838 INFO [OVariableParser.resolveVariables] Error on resolving property: distributed [orientechnologies]
2016-04-08 18:08:52:854 INFO Installing Script interpreter. WARN: authenticated clients can execute any kind of code into the server by using the following allowed languages:
[sql] [OServerSideScriptInterpreter]
2016-04-08 18:08:52:854 INFO OrientDB Server v2.1.5 (build 2.1.x#r${buildNumber}; 2015-10-29 16:54:25+0000) is active. [OServer]
2016-04-08 18:08:57:986 INFO /127.0.0.1:49243 - Connected [OChannelBinaryServer]
2016-04-08 18:08:58:002 INFO /127.0.0.1:49243 - Writing short (2 bytes): 32 [OChannelBinaryServer]
2016-04-08 18:08:58:002 INFO /127.0.0.1:49243 - Flush [OChannelBinaryServer]
2016-04-08 18:08:58:002 INFO /127.0.0.1:49243 - Reading byte (1 byte)... [OChannelBinaryServer]
Using OrientDB .Net binary (C# driver) in Windows Vista. This was working fine until recently. Not sure what broke it...
Resetting TCP/IP using NetShell utility did not help.
Any help is highly appreciated.

The problem was with the AVG anti-virus program that is blocking the socket. Added an exception in the program for localhost to fix the problem.

Error after generating model

I wanted to lern xtext, for many years i lerned xpand and xtend and worked fine, but xtext seems to replaced the other both. And the xtext way looks fine to me.
As start i read follwing Tutorials: http://www.eclipse.org/Xtext/documentation/101_five_minutes.html, Including "15 Minutes Tutorial" and "15 Minutes Tutorial - Extended" and others. So i created a simple "Model"
grammar org.bs.test.Test with org.eclipse.xtext.common.Terminals
generate Test "http://www.bs.org/test/Test"
Test:
main=TMain;
TMain:
'main' name=ID
'done';
Generated on following way: "GenerateTest.mwe2" > right click > 'Run As' → 'MWE2 Workflow'.
Then made a copy of the Project. It was already my second or third try to find out what i made wrong.
Now i changed in the model following line: "main=TMain;" to "main=TMain?;". Then i used 'MWE2 Workflow' again, which run successful, but after running following happens:
Everthing files under 'src-gen/org/bs/test/Test/' and files in the subfolders 'impl' and 'util' are deleted. So they get deleted, then i copied the saved project and try following action on "Test.xtext" > right click > 'Run As' → 'Generate Xtext Artifacts', which result in the same.
There are two question for me:
1) What is the difference between "Generate Xtext Artifacts" and "MWE2 Workflow" and when did i do need them. I cannot figure that out on the Tutorial and especialy when to use them.
2) What did i wrong, and what i have to do to create generate the elements from the changed model
I could not find much on this, i hope someone could help me. I did not find something to both question.
EDIT 1:
When i create a complete new test project it works:
project name: org.test
name: org.test.MyTest
extensions: mytest
with following xtext:
grammar org.test.MyTest with org.eclipse.xtext.common.Terminals
generate myTest "http://www.test.org/MyTest"
Test:
main=TMain;
TMain:
'main' name=ID
'done'
But when i do the same with following input:
Project name: org.bs.craass
Name: org.bs.craass.CraAss
Extension: craass
xtext:
grammar org.bs.craass.CraAss with org.eclipse.xtext.common.Terminals
generate craAss "http://www.bs.org/craass/CraAss"
CraAss:
main=CAMain;
CAMain:
'main' name=ID
'done';
Later i will try following: install a new eclispe emf and create a new workspace.
EDIT2:
So i tested a new workspace, there it look liks, that it is working. Perhaps something with the old workspace. Like in a comment, in the orginal workspace, after i get a good "version", i wanted to put it on git (learning reason). Since then this not working anymore. Here some output of the generation:
0 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Registering platform uri 'C:\workspaces\emf_01'
401 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass at 'file:/C:/workspaces/emf_01/org.bs.craass/' and using 'file:/C:/workspaces/emf_01/error_01/org.bs.craass/' instead.
926 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass at 'file:/C:/workspaces/emf_01/error_01/org.bs.craass/' and using 'file:/C:/workspaces/emf_01/org.bs.craass/' instead.
939 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.sdk at 'file:/C:/workspaces/emf_01/error_01/org.bs.craass.sdk/' and using 'file:/C:/workspaces/emf_01/org.bs.craass.sdk/' instead.
970 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.tests at 'file:/C:/workspaces/emf_01/error_01/org.bs.craass.tests/' and using 'file:/C:/workspaces/emf_01/org.bs.craass.tests/' instead.
1090 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.ui at 'file:/C:/workspaces/emf_01/error_01/org.bs.craass.ui/' and using 'file:/C:/workspaces/emf_01/org.bs.craass.ui/' instead.
1749 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass at 'file:/C:/workspaces/emf_01/org.bs.craass/' and using 'file:/C:/workspaces/emf_01/save_01/org.bs.craass/' instead.
1762 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.sdk at 'file:/C:/workspaces/emf_01/org.bs.craass.sdk/' and using 'file:/C:/workspaces/emf_01/save_01/org.bs.craass.sdk/' instead.
1820 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.tests at 'file:/C:/workspaces/emf_01/org.bs.craass.tests/' and using 'file:/C:/workspaces/emf_01/save_01/org.bs.craass.tests/' instead.
2082 [main] WARN lipse.emf.mwe.utils.StandaloneSetup - Skipping conflicting project org.bs.craass.ui at 'file:/C:/workspaces/emf_01/org.bs.craass.ui/' and using 'file:/C:/workspaces/emf_01/save_01/org.bs.craass.ui/' instead.
2577 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.xbase.XbasePackage'
4253 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/Xtext/Xbase/XAnnotations' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
4265 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xtype' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
4335 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xbase' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
4335 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/common/JavaVMTypes' from 'platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel'
6234 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.common.types.TypesPackage'
6267 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf_01\org.bs.craass\..\org.bs.craass\src-gen
6326 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf_01\org.bs.craass\..\org.bs.craass\model\generated
6330 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf_01\org.bs.craass\..\org.bs.craass.ui\src-gen
6378 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf_01\org.bs.craass\..\org.bs.craass.tests\src-gen
9146 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.bs.org/craass/CraAss' from 'file:/C:/workspaces/emf_01/org.bs.craass/model/generated/CraAss.genmodel'
15709 [main] INFO text.generator.junit.Junit4Fragment - generating Junit4 Test support classes
15731 [main] INFO text.generator.junit.Junit4Fragment - generating Compare Framework infrastructure
15973 [main] INFO .emf.mwe2.runtime.workflow.Workflow - Done.
I compared with a run in a other workspace, and the WARN, does not come there. To be hornest, i ignored first, because it was "only" warnings. A run that runs successful:
0 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Registering platform uri 'C:\workspaces\emf'
541 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.xbase.XbasePackage'
1020 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/Xtext/Xbase/XAnnotations' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1031 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xtype' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1064 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xbase' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1064 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/common/JavaVMTypes' from 'platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel'
2307 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.common.types.TypesPackage'
2355 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass\src-gen
2382 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass\model\generated
2390 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass.ui\src-gen
2407 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass.tests\src-gen
4446 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.bs.org/craass/CraAss' from 'platform:/resource/org.bs.craass/model/generated/CraAss.genmodel'
11647 [main] INFO text.generator.junit.Junit4Fragment - generating Junit4 Test support classes
11719 [main] INFO text.generator.junit.Junit4Fragment - generating Compare Framework infrastructure
11997 [main] INFO .emf.mwe2.runtime.workflow.Workflow - Done.
So far the stand of my troubleshooting.
EDIT 3:
I do not know why, but it accept now the old xtext file i created and while running it occurs following error (but seems to have no big impact), complete log:
0 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Registering platform uri 'C:\workspaces\emf'
664 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.xbase.XbasePackage'
1864 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/Xtext/Xbase/XAnnotations' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1882 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xtype' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1987 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/xbase/Xbase' from 'platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel'
1987 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.eclipse.org/xtext/common/JavaVMTypes' from 'platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel'
3982 [main] INFO lipse.emf.mwe.utils.StandaloneSetup - Adding generated EPackage 'org.eclipse.xtext.common.types.TypesPackage'
4018 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass\src-gen
4061 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass\model\generated
4064 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass.ui\src-gen
4087 [main] INFO ipse.emf.mwe.utils.DirectoryCleaner - Cleaning C:\workspaces\emf\org.bs.craass\..\org.bs.craass.tests\src-gen
7153 [main] INFO clipse.emf.mwe.utils.GenModelHelper - Registered GenModel 'http://www.bs.org/craass/CraAss' from 'platform:/resource/org.bs.craass/model/generated/CraAss.genmodel'
error(208): ../org.bs.craass/src-gen/org/bs/craass/parser/antlr/internal/InternalCraAss.g:1199:1: The following token definitions can never be matched because prior tokens match the same input: RULE_INT
error(208): ../org.bs.craass.ui/src-gen/org/bs/craass/ui/contentassist/antlr/internal/InternalCraAss.g:2688:1: The following token definitions can never be matched because prior tokens match the same input: RULE_INT
16642 [main] INFO text.generator.junit.Junit4Fragment - generating Junit4 Test support classes
16661 [main] INFO text.generator.junit.Junit4Fragment - generating Compare Framework infrastructure
16804 [main] INFO .emf.mwe2.runtime.workflow.Workflow - Done.
The trouble seems, that i have following:
grammar org.bs.craass.CraAss with org.eclipse.xtext.common.Terminals
but on the other side:
terminal INTEGER : '-'?('0'..'9')+;
terminal VAR_TERMINAL : '_' ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
terminal REGISTER_TERMINAL : ('ax' | 'bx' );
terminal FUNCTION_TERMINAL : (('a'..'z'|'_'|'0'..'9')*'.')?('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
And in the org.eclipse.xtext.common.Terminals is
terminal INT returns ecore::EInt: ('0'..'9')+;
But i have no what to do with it.
The Problem itself, while generating everthing in srce-gen/, except the generated java files under src-gen/org.bs.craass.craAss and subfolder. Now there are created, too. So more i try to find out, so less the error was reproducable. Well, i will see, when i push it to git again, perhaps the error comes back.
So far thanks

running the workflow directly or calling generate language artefacts does the very same. the workflow reads your Xtext file and generates all infrastructure Xtext provides for your language. thus you have to call it if you change your grammar or the workflow itself. if you have a misconfiguration on your language or a broken grammar the generation may fail. also the workflow may refer to project names which may have to be adopted as well (dont know how you do the copy and paste - you should use the Xtext Project wizard to create the project to be safe)