I have a Maven project opened in the latest version of Eclipse, but am having a difficult time executing the following commands when I right-click on the project and hover over "Run As":
Maven install
Maven clean
I have attached an image of me trying to execute Maven clean.
When I run "Maven install" I get the following error:
An internal error occurred during: "Launching Executing install in D__Java Softwares_2023Jan-Ireland-Maven".
Cannot invoke "org.eclipse.jdt.launching.IVMInstall.getLibraryLocations()" because "install" is null
When I run "Maven clean" I get the following error:
An internal error occurred during: "Launching Executing clean in D__Java Softwares_2023Jan-Ireland-Maven".
Cannot invoke "org.eclipse.jdt.launching.IVMInstall.getLibraryLocations()" because "install" is null
The following is an image of the libraries listed under the Java Build Path:
The following is an image of the JRE selected:
Please help me understand what could be the problem that is causing these issues.
Thank you.
Related
It seems that the property ${user.dir} is recognized by Maven but not recognized by Eclipse. I am seeing the errors below in the pom.xml file in eclipse everywhere then there is a reference to this section:
<outputDirectory>${user.dir}\Nightly_Build\lib</outputDirectory>
The errors are:
Cannot invoke "org.eclipse.core.runtime.IPath.segmentCount()" because "outputDir" is null (org.apache.maven.plugins:maven-jar-plugin:2.4:jar:bpcstudioToats:package)
java.lang.NullPointerException: Cannot invoke "org.eclipse.core.runtime.IPath.segmentCount()" because "outputDir" is null
The good thing is that the command mvn clean install is working fine. I run this command from eclipse right-click run/build and from the command line, and all is working fine.
This is causing eclipse not to recognize the maven dependencies correctly, and reporting compilation errors in various places, and the compilation in maven is successful.
Any idea how to resolve this issue?
Update:
I replaced all references to user.dir with project.basedir in all pom.xml, did a project clean, and updated maven, then all errors disappeared. But, I could see a new folder was created under each project base directory. I will check what was the intent of using user.dir and then will provide an update.
I have created maven project in eclipse but I don't see any compile time error (red color indication) in eclipse but when i run maven clean install i can see compilation error
Am i missing any maven plugin, please help
I began to get errors after downloading Nodeclipse and creating a Gradle project with New Gradle Project -- sample project "Java Quickstart". Whenever I re-open Eclipse, I get this error:
"Updating Maven Dependencies" has encountered a problem. An internal
error occurred during: "Updating Maven Dependencies".
org/eclipse/m2e/core/internal/project/registry/ProjectRegistryRefreshJob$1
I have never used Maven, but I tried to investigate the error. When I try to open Preferences > Maven, or most (but not all) of its subfolders, I get:
Unable to create the selected preference page. An error occurred while
automatically activating bundle org.eclipse.m2e.core.ui (545).
I looked on Maven Central and there is no m2e folder in org/eclipse. I also looked in Eclipse/features for pom.xml files and I have folders starting with org.eclipse.m2e, but no org.eclipse.m2e.core.ui.
Edit:
I created a new workspace and got the same error message as soon as I created a New Gradle Project based on Java Quickstart sample project. I did this twice and the second time Eclipse logged an error. Some relevant lines from the stack trace:
Exception:org.osgi.framework.BundleException: Exception in org.eclipse.m2e.core.internal.MavenPluginActivator.start() of bundle org.eclipse.m2e.core
Exception:java.lang.NoClassDefFoundError: org/eclipse/m2e/core/internal/project/registry/ProjectRegistryRefreshJob$1
at org.springsource.ide.eclipse.gradle.core.wizards.NewGradleProjectOperation.createProjectContents(NewGradleProjectOperation.java:106)
First try to build your project from command line.
Enide 2015 by Nodeclipse has built-in Terminal Ctrl+Alt+T
run gradle build
or right-click build.gradle Run as -> gradle build
Then see and think
You are building with Gradle, so don't look at Maven preferences, but Gradle one.
Possibly you confused Gradle and Maven and made wrong preferences, you can try again in new workspace.
I have a maven project in which i am getting the following error. I am using eclipse IDE
An internal error occurred during: "Importing Maven projects".
Unsupported IClasspathEntry kind=4
I have followed below steps for resolving this error. The reason for this error is class path file located in your project folder.
Disable Maven Nature for your project ( If in eclipse, right click on the project --> Maven --> Disable Maven Nature).
Delete the class path file in your project folder.
Re- enable the Maven Nature Again (right click on project --> configure --> Convert to Maven Project).
Try to Maven clean, install and Run the project.
Here's a better answer: stop using eclipse.
Here's the eclipse bug page:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=394042
They seem to have no interest in fixing this issue, so if you require|prefer to use the command line for projects, then really there is no fix but to quit eclipse.
I am trying to import Hadoop source code into Eclipse (again) but while importing I am getting following error :
"No marketplace entries found to handle Execution compile-protoc"
Following is the screenshot of the error :
I am following steps given in "Working with Hadoop under Eclipse" page here : http://wiki.apache.org/hadoop/EclipseEnvironment
I have done following things :
Checking out code using git command from command line
Run following commands :
mvn install -DskipTests
mvn eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true
Import project into eclipse :
a. File -> Import -> Existing Maven project
b. selected hadoop-common folder as a root folder.
After following above 3 steps I got "No marketplace entries found to handle Execution compile-protoc" error.
So I
1. Removed projects from eclipse
Executed "mvn eclipse:clean" command
Again imported projects into eclipse
but again I am following same errors.
Does anyone know why this error is coming? and how to resolve this error?