NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

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NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

Error as below when i open the project via Talend Cloud big data platform which is a first time connection. And same error occurred even reinstalled the JDK 1.8. Please kindly advise.

 

!ENTRY org.eclipse.osgi 4 0 2019-10-23 10:50:06.201
!MESSAGE Application error
!STACK 1
java.lang.NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader
at org.talend.designer.codegen.CodeGeneratorService.initializeTemplates(CodeGeneratorService.java:127)
at org.talend.core.CoreService.initializeTemplates(CoreService.java:303)
at org.talend.core.repository.logintask.GeneratedJetEmitersLoginTask.run(GeneratedJetEmitersLoginTask.java:23)
at org.talend.rcp.intro.ApplicationWorkbenchAdvisor.preStartup(ApplicationWorkbenchAdvisor.java:115)
at org.eclipse.ui.internal.Workbench$19.runWithException(Workbench.java:1675)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:35)
at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:236)
at org.eclipse.ui.internal.UISynchronizer.syncExec(UISynchronizer.java:147)
at org.eclipse.swt.widgets.Display.syncExec(Display.java:4580)
at org.eclipse.ui.internal.StartupThreading.runWithoutExceptions(StartupThreading.java:98)
at org.eclipse.ui.internal.Workbench.init(Workbench.java:1671)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2804)
at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:623)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:339)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:563)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:151)
at org.talend.rcp.intro.Application.start(Application.java:277)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:595)
at org.eclipse.equinox.launcher.Main.run(Main.java:1501)
Caused by: java.lang.ClassNotFoundException: org.talend.designer.codegen.model.CodeGeneratorEmittersPoolFactory$DelegateClassLoader cannot be found by org.talend.designer.codegen_7.2.1.20190611_1126
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:511)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:414)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:153)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 29 more

!ENTRY org.eclipse.core.jobs 4 2 2019-10-23 10:50:06.233
!MESSAGE An internal error occurred during: "Check Configuration".
!STACK 0
org.eclipse.swt.SWTException: Device is disposed
at org.eclipse.swt.SWT.error(SWT.java:4595)
at org.eclipse.swt.SWT.error(SWT.java:4510)
at org.eclipse.swt.SWT.error(SWT.java:4481)
at org.eclipse.swt.widgets.Display.error(Display.java:1185)
at org.eclipse.swt.widgets.Display.asyncExec(Display.java:681)
at org.eclipse.egit.ui.internal.ConfigurationChecker$1.run(ConfigurationChecker.java:51)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)

!ENTRY org.eclipse.core.resources 2 10035 2019-10-23 10:50:07.538
!MESSAGE The workspace will exit with unsaved changes in this session.

!ENTRY org.eclipse.core.jobs 2 2 2019-10-23 10:50:07.934
!MESSAGE Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: org.eclipse.ui.internal.ide.IDEWorkbenchActivityHelper$2

elper$2

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Four Stars

Re: NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

Can't able to understand this all things. showbox

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Four Stars

Re: NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

Hi Roberts250 ,

 

When i open Talend Cloud Big data platform and connect the project then error occurred after clicked Finish button  

 

Capture.JPG

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Seventeen Stars

Re: NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

Stop the studio. Delete under <studio-root>/configuration/ all directories called org.eclipse.*

 

Please give us feedback if this have solved the problem.

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Four Stars

Re: NoClassDefFoundError: org/talend/designer/codegen/model/CodeGeneratorEmittersPoolFactory$DelegateClassLoader

Same error after deleted the folders and rerun.

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