NoClassDefFoundError error while opening project

Anonymous — Sat, 16 Nov 2024 09:29:12 GMT

Hi,

I'm getting while opening an existing project in Talend open studio for DI 6.4 version

The error is as follows :

I tried closing and reopening the studio. I got following error :

Yesterday, it was running okay. I just started my PC and tried opening. What is going wrong.

I tried creating new project and open it. But the issue still persist.

Please help me guys. I wanted to get out off this error asap.Thank you.

Re: NoClassDefFoundError error while opening project

Anonymous — Wed, 26 Jul 2017 05:59:04 GMT

Here is the full error log :

java.lang.NoClassDefFoundError: org/eclipse/jdt/core/JavaCore
at org.talend.commons.utils.generation.JavaUtils.applyCompilerCompliance(JavaUtils.java:261)
at org.talend.commons.utils.generation.JavaUtils.updateProjectJavaVersion(JavaUtils.java:242)
at org.talend.core.repository.model.ProxyRepositoryFactory.logOnProject(ProxyRepositoryFactory.java:1931)
at org.talend.repository.ui.login.LoginHelper$1.run(LoginHelper.java:441)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)
Caused by: java.lang.ClassNotFoundException: An error occurred while automatically activating bundle org.eclipse.jdt.core (315).
at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:116)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:531)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:327)
at org.eclipse.osgi.internal.loader.sources.SingleSourcePackage.loadClass(SingleSourcePackage.java:36)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:398)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:352)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:344)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 5 more
Caused by: org.osgi.framework.BundleException: Exception in org.eclipse.jdt.core.JavaCore.start() of bundle org.eclipse.jdt.core.
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792)
at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)
at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)
at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)
at org.eclipse.osgi.container.Module.doStart(Module.java:571)
at org.eclipse.osgi.container.Module.start(Module.java:439)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)
at org.eclipse.osgi.internal.hooks.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
... 14 more
Caused by: org.eclipse.core.internal.resources.ResourceException: Could not read metadata for 'E:\Talend\TOS_DI-20170510_1410-V6.4.0\workspace\.metadata\.plugins\org.eclipse.core.resources\.root\.indexes\properties.index'. Unexpected version: 0.
at org.eclipse.core.internal.localstore.Bucket.load(Bucket.java:303)
at org.eclipse.core.internal.properties.PropertyBucket.load(PropertyBucket.java:258)
at org.eclipse.core.internal.localstore.Bucket.load(Bucket.java:274)
at org.eclipse.core.internal.localstore.BucketTree.loadBucketFor(BucketTree.java:115)
at org.eclipse.core.internal.properties.PropertyManager2.getProperty(PropertyManager2.java:134)
at org.eclipse.core.internal.resources.Resource.getPersistentProperty(Resource.java:1205)
at org.eclipse.jdt.internal.core.JavaModelManager.loadVariablesAndContainers(JavaModelManager.java:3265)
at org.eclipse.jdt.internal.core.JavaModelManager.startup(JavaModelManager.java:5036)
at org.eclipse.jdt.core.JavaCore.start(JavaCore.java:5651)
at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)
at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)
... 21 more

Re: NoClassDefFoundError error while opening project

Anonymous — Wed, 26 Jul 2017 08:37:37 GMT

Hello,

Is it Ok with new workspace? Did you get this error when you start the studio with new project?

Best regards

Sabrina

Re: NoClassDefFoundError error while opening project

Anonymous — Wed, 26 Jul 2017 08:46:53 GMT

Thanks @xdshi for your reply.
Yes, it was something related to workspace. Anyway, I reinstalled the studio to get it work

Re: NoClassDefFoundError error while opening project

Anonymous — Wed, 26 Jul 2017 09:12:16 GMT

Hi,

Thanks for your prompt reply. Feel free to let us know if this issue repro again.

Best regards

Sabrina

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