I am creating Vaadin 6 application using eclipse Kepler. Tomcat Server is main page running (localhost:8080). But when I run an application, I get HTTP Status 500 - Failed to load application class error.
type Exception report
message Failed to load application class: com.example.secondone.SecondoneApplication
description The server encountered an internal error that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Failed to load application class: com.example.secondone.SecondoneApplication
com.vaadin.terminal.gwt.server.ApplicationServlet.init(ApplicationServlet.java:71)
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:906)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:929)
java.lang.Thread.run(Thread.java:761)
I'm using Vaadin 6.8.13 and have installed the plugins and added the jar to WEB-INF --> lib folder.
I'm not able to figure out the exact cause of this error. Please help me out.
These types of errors are usually caused by issues in the project configuration. Make sure you haven't made any typos in your web.xml and systematically check your project structure for any mistakes. Could it be, for example, that your application class is actually named SecondOneApplication instead of SecondoneApplication?
Its application is trying to run this class is:
com.example.secondone.SecondoneApplication
But she is not lying. Somewhere in your configuration files you must is by setting this package. Try other variations like:
secondone.SecondoneApplication
Or just :
SecondoneApplication
If you were using Hobernate, it would be in the archives:
hibernate.cfg.xml
and its mapping:
secondoneapplication.hbm.xml
Related
I am trying to add a javaagent to my bluemix app, this agent uses Instrumentation. The thing is that when I run the application I get the following error:
premain() - Instrumentation is already running
...
CWWKF0004E: An unknown exception occurred while installing or removing features. Exception: java.lang.NoClassDefFoundError: agent.ClassInstrumentorTransform
ERR at com.ibm.ws.kernel.feature.internal.subsystem.SubsystemFeatureDefinitionImpl.setHeader(SubsystemFeatureDefinitionImpl.java)
ERR at [internal classes]
I have tried creating another agent with the same Premain-Class and Agent-Class structure but with my own classes and it works, I have tried uploading my own copy of Instrumentation classes and point the javaagent to it using Class-Path but the error still appears.
Any sugestion what can be the problem?
I suspect maybe the Bluemix enviorment uses the Instrumentation, any ideas how this might be checked and how I can solve the inter dependency?
Based on the error message, it looks like you have a class in a feature bundle that is trying to access a class from the javaagent, but you have not added the javaagent package to org.osgi.framework.bootdelegation as described in the Specifying Liberty profile bootstrap properties" topic in the knowledge center topic.
I've a gradle project which uses hibernate > 4 . If I run my war file in Apache tomcat, I don't get any error. But when I'm deploying it in Wildfly 8.2 , I get the following exception
Caused by: org.hibernate.InvalidMappingException: Error while parsing file: /G:/wildfly-8.2.0.Final/bin/content/mywar-1.0.war/WEB-INF/classes/com/mysite/
hbm/Role.hbm.xml
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.buildHibernateConfiguration(EntityManagerFactoryBuilderImpl.java:1182) [hibernate-ent
itymanager-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:848) [hibernate-entitymanager-4.3.7.Fi
nal.jar:4.3.7.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$4.perform(EntityManagerFactoryBuilderImpl.java:845) [hibernate-entitymanager-4.3.7.Fi
nal.jar:4.3.7.Final]
at org.hibernate.boot.registry.classloading.internal.ClassLoaderServiceImpl.withTccl(ClassLoaderServiceImpl.java:398) [hibernate-core-4.3.7.Final.jar:4.
3.7.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:844) [hibernate-entitymanager-4.3.7.Final.
jar:4.3.7.Final]
at org.jboss.as.jpa.hibernate4.TwoPhaseBootstrapImpl.build(TwoPhaseBootstrapImpl.java:44) [jipijapa-hibernate4-3-1.0.1.Final.jar:]
at org.jboss.as.jpa.service.PersistenceUnitServiceImpl$1$1.run(PersistenceUnitServiceImpl.java:154) [wildfly-jpa-8.2.0.Final.jar:8.2.0.Final]
... 8 more
Caused by: org.hibernate.InvalidMappingException: Unable to read XML
at org.hibernate.internal.util.xml.MappingReader.legacyReadMappingDocument(MappingReader.java:375) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.internal.util.xml.MappingReader.readMappingDocument(MappingReader.java:304) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.cfg.Configuration.add(Configuration.java:518) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.cfg.Configuration.add(Configuration.java:514) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.cfg.Configuration.add(Configuration.java:688) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:726) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.buildHibernateConfiguration(EntityManagerFactoryBuilderImpl.java:1177) [hibernate-ent
itymanager-4.3.7.Final.jar:4.3.7.Final]
... 14 more
Caused by: org.dom4j.DocumentException: org.dom4j.DocumentFactory cannot be cast to org.dom4j.DocumentFactory Nested exception: org.dom4j.DocumentFactory cannot
be cast to org.dom4j.DocumentFactory
at org.dom4j.io.SAXReader.read(SAXReader.java:484) [dom4j-1.6.1.jar:1.6.1]
I just added a exclude in my Gradle file like
runtime.exclude group: "dom4j"
Now when I run gradle build, dom4j.jar is not created in the war file. Now I can run my deploy and run my project successfully on Wildfly 8.2 without any error. But the real problem starts here.
One of the feature in my project is that, it'll copy a file.xlsm to anotherfile.xlsm where I'm using jars like Apache Poi for those purposes. Here, Apache Poi is trying to access a method in dom4j.jar during file processing, it results in the following error
18:40:13,261 ERROR [io.undertow.request] (default task-29) UT005023: Exception handling request to /app/parentPath/myAction: org.springframework.web.util.NestedSe
rvletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: org/dom4j/DocumentException
at org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1287) [spring-webmvc-4.1.4.RELEASE.jar:4.1.4
.RELEASE]
Any ideas how I can permanently use dom4j.jar inside my classpath? I've searched for many question and most of them suggested to remove dom4j from classpath. I do successfully run my program by removing it from classpath but it results in the above error during excel file processing. Wasted more than a day on this..!! IS it possible to include dom4j.jar in my classpath?
Update:
I've done a little trick in MANIFEST.MF file.
I've opened
mywar.war > META-INF > MANIFEST.MF
and added
Dependencies: org.dom4j export
at the end of the file and saved it. So if I deploy my war file, I'm successfully running it without any error.
Can someone explain where I've to add this kind of property in my src/ file so that it will be automatcially added to MANIFEST.MF after gradle build..
This exception on wildfly usually occurs when you include a hibernate lib in your war that's different from the wildfly one, since you are deploying to wildfly it already include hibernate so you can set you live as provided in gradle aka compileProvided and deploy without exporting the dependence.
If you still got the same error try declaring the hibernate dependency on manifest but keep the lib as provided it should work fine.
I had this same problem and i know how frustrating this one can be. I was able to resolve this problem. see my answer here. Hope this help
What could be the cause for this error while running my Java EE 6 app from embedded container using Eclipse?
HTTP Status 500 -
type Exception report
message
description: The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: PWC1391: Servlet.init() for servlet <project>.webservice.ApplicationConfig threw exception
root cause
com.sun.jersey.spi.inject.Errors$ErrorMessagesException
note The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 3.1.2.2 logs.
Edit: Basically since I ran it successfully, I upgraded eclipse and made some changes in project (refactor/renaming variables) and svn repository setup.
Have you tried the suggestions Google produces when you search for PWC1391? Namely resolving potential version conflicts with the Jersey library (i.e. removing it from project).
Finally figured out that there were some libraries missing...including Glassfish 3.1.2 being the major one from "Web"'s "Java Build Path > Libraries".
I have prepared my ejb jars and war using weblogic.appc
weblogic 11g R1, all compilations were fine, I have prepared ear and deployed in weblogi server .I am getting belows erorr. afte deployment and ear status went to failed state.
I am not att all using this oracle.help.OHW file. don't know it is refered
Can any suggest how comeout of this problem.
[HTTP:101216]Servlet: "OHW" failed to preload on startup in Web application: "cbcm". javax.servlet.ServletException: [HTTP:101249][ServletContext#13514259[app:cbcm module:cbcm path:/cbcm spec-version:null]]: Servlet class oracle.help.OHW for servlet OHW could not be loaded because the requested class was not found in the classpath . java.lang.ClassNotFoundException: oracle.help.OHW. at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:551) at weblogic.servlet.internal.WebAppServletContext.preloadServlet(WebAppServletContext.java:1985) at weblogic.servlet.internal.WebAppServletContext.loadServletsOnStartup(WebAppServletContext.java:1959) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1878) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3153) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1508) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:482) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:200) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:247) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:425) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:27) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:636) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:205) at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:58) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.StartOperation.doCommit(StartOperation.java:140) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1253) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:163) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:68) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209) at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Check your web.xml within your WAR, there is a servlet and servlet-mapping for the Oracle help files and this servlet most likely.
Comment out those.
I received the same error as "failed to preload on startup in Web application:".
Below is how I am able to resolve the error.
in your web.xml, check if following property is present
<load-on-startup>0</load-on-startup>
this property is to load your bundled artifacts during the server restart itself. This was the cause of the issue because there were some jar file which weblogic server required to load before the loading of our bundled artifacts. Now since server is not yet started completely and all the libraries required to our application is not yet loaded, hence server is throwing "failed to preload on startup in Web application:".
The solution to this is remove load-on-startup from web.xml and That's it!!
I'm starting to get my feet wet in the latest Google Web Toolkit using the Eclipse plugin on OS X 10.5.8. So far I've been able to get the client up and running, which is great.
The server, though, is a different matter. I'm trying to link to a .jar file that has some classes I want to use in a server ServiceImpl class, but it seems to have glommed onto a previous iteration of the .jar - I've added a method, rebuilt the jar, removed the jar from the libraries tab on the GWT project's build path (as well as on the exports) and reincluded the jar. No luck - I'm still getting:
[WARN] Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract org.gwtapplication.client.LWDocument org.gwtapplication.client.DocumentService.getDocument()' threw an unexpected exception: java.lang.NoSuchMethodError: org.externalmodel.MyReallyValidClass.toSomething()Ljava/lang/String;
at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:378)
at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:581)
...
Caused by: java.lang.NoSuchMethodError: org.externalmodel.MyReallyValidClass.toSomething()Ljava/lang/String;
at org.application.server.DocumentServiceImpl.getDocument(DocumentServiceImpl.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
Eclipse's code sense has no problems resolving the MyReallyValidClass.toSomething() call, and there are no errors with other calls into the externalmodel classes. Any clue where I should be looking?
In your DocumentServiceImpl class, adding the following log:
System.out.println(Thread.currentThread().getContextClassLoader().getResource("org/externalmodel/MyReallyValidClass.class");
should tell you where this jar is being picked up.