Re: [Wonder-disc] UnsupportedClassVersionError

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No. 

On 2010-09-24, at 5:18 PM, Pascal Robert wrote:

> Are you building Wonder from source?
> 
>> Hi all,
>> 
>> I am getting this error from a newly deployed fully embedded WO54 application on Tiger Server. I've checked the JDK Compliance level is set to 1.5 for the workspace in Eclipse, I've even added <wocompile source="1.5" target="1.5" srcdir="Sources" destdir="bin"> to the build.xml for the project.
>> 
>> What else could be causing this error? 
>> 
>> Thanks,
>> David
>> 
>> Sep 24 16:13:50 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: ERXExtensions
>> Sep 24 16:13:50 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: ERPrototypes
>> Sep 24 16:13:51 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: ERDirectToWeb
>> Sep 24 16:13:51 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: Ajax
>> Sep 24 16:13:51 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: ERAttachmentPrincipal
>> DEBUG: setDebug: JavaMail version 1.4.1
>> DEBUG: setDebug: JavaMail version 1.4.1
>> Sep 24 16:13:51 ProjectDocuments[2064] DEBUG NSLog  - Finished initialization after launch: ERJavaMail
>> Sep 24 16:13:51 ProjectDocuments[2064] INFO  er.extensions.appserver.ERXApplication  - Welcome to ProjectDocuments !
>> Sep 24 16:13:51 ProjectDocuments[2064] WARN  er.extensions.eof.ERXModelGroup  - Clearing previous class descriptions
>> Sep 24 16:13:52 ProjectDocuments[2064] ERROR er.extensions.appserver.ERXApplication  - ProjectDocuments failed to start.
>> UnsupportedClassVersionError: Bad version number in .class file
>>   at java.lang.ClassLoader.defineClass1(Native Method)
>>   at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
>>   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
>>   at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>>   at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>>   at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>>   at java.security.AccessController.doPrivileged(Native Method)
>>   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>>   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
>>   at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
>>   at java.lang.Class.forName0(Native Method)
>>   at java.lang.Class.forName(Class.java:164)
>>   at er.extensions.eof.ERXEntityClassDescription$Factory.registerDescriptionForEntity(ERXEntityClassDescription.java:580)
>>   at er.extensions.eof.ERXEntityClassDescription$Factory.registerDescriptionForEntitiesInModel(ERXEntityClassDescription.java:534)
>>   at er.extensions.eof.ERXEntityClassDescription$Factory.modelWasAdded(ERXEntityClassDescription.java:343)
>>      ... skipped 8 stack elements
>>   at er.extensions.eof.ERXModelGroup.addModel(ERXModelGroup.java:445)
>>   at er.extensions.eof.ERXModelGroup.addModelWithPathURL(ERXModelGroup.java:537)
>>   at er.extensions.eof.ERXModelGroup.loadModelsFromLoadedBundles(ERXModelGroup.java:271)
>>   at er.extensions.ERXExtensions.defaultModelGroup(ERXExtensions.java:145)
>>      ... skipped 5 stack elements
>>   at com.webobjects.foundation._NSDelegate._perform(_NSDelegate.java:223)
>>   at com.webobjects.foundation._NSDelegate.perform(_NSDelegate.java:155)
>>   at com.webobjects.eoaccess.EOModelGroup.defaultGroup(EOModelGroup.java:328)
>>   at er.extensions.migration.ERXMigrator.migrateToLatest(ERXMigrator.java:169)
>>   at er.extensions.appserver.ERXApplication.finishInitialization(ERXApplication.java:1184)
>>      ... skipped 17 stack elements
>>   at com.webobjects._bootstrap.WOBootstrap.main(WOBootstrap.java:87)
>> Sep 24 16:13:52 ProjectDocuments[2064] WARN  NSLog  - A fatal exception occurred: java.lang.UnsupportedClassVersionError: Bad version number in .class file
>> [2010-9-24 16:13:52 PDT] <main> com.webobjects.foundation.NSForwardException [java.lang.UnsupportedClassVersionError] Bad version number in .class file:java.lang.UnsupportedClassVersionError: Bad version number in .class file
>> 	at com.webobjects.foundation.NSForwardException._runtimeExceptionForThrowable(NSForwardException.java:39)
>> 	at com.webobjects.foundation.NSSelector._safeInvokeMethod(NSSelector.java:124)
>> 	at com.webobjects.foundation.NSNotificationCenter$_Entry.invokeMethod(NSNotificationCenter.java:588)
>> 	at com.webobjects.foundation.NSNotificationCenter.postNotification(NSNotificationCenter.java:532)
>> 	at com.webobjects.foundation.NSNotificationCenter.postNotification(NSNotificationCenter.java:546)
>> 	at er.extensions.eof.ERXModelGroup.addModel(ERXModelGroup.java:445)
>> 	at er.extensions.eof.ERXModelGroup.addModelWithPathURL(ERXModelGroup.java:537)
>> 	at er.extensions.eof.ERXModelGroup.loadModelsFromLoadedBundles(ERXModelGroup.java:271)
>> 	at er.extensions.ERXExtensions.defaultModelGroup(ERXExtensions.java:145)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:585)
>> 	at com.webobjects.foundation.NSSelector._safeInvokeMethod(NSSelector.java:122)
>> 	at com.webobjects.foundation._NSDelegate._perform(_NSDelegate.java:223)
>> 	at com.webobjects.foundation._NSDelegate.perform(_NSDelegate.java:155)
>> 	at com.webobjects.eoaccess.EOModelGroup.defaultGroup(EOModelGroup.java:328)
>> 	at er.extensions.migration.ERXMigrator.migrateToLatest(ERXMigrator.java:169)
>> 	at er.extensions.appserver.ERXApplication.finishInitialization(ERXApplication.java:1184)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:585)
>> 	at com.webobjects.foundation.NSSelector._safeInvokeMethod(NSSelector.java:122)
>> 	at com.webobjects.foundation.NSNotificationCenter$_Entry.invokeMethod(NSNotificationCenter.java:588)
>> 	at com.webobjects.foundation.NSNotificationCenter.postNotification(NSNotificationCenter.java:532)
>> 	at com.webobjects.foundation.NSNotificationCenter.postNotification(NSNotificationCenter.java:546)
>> 	at com.webobjects.appserver.WOApplication.run(WOApplication.java:1229)
>> 	at er.extensions.appserver.ERXApplication.run(ERXApplication.java:1297)
>> 	at com.webobjects.appserver.WOApplication.main(WOApplication.java:548)
>> 	at er.extensions.appserver.ERXApplication.main(ERXApplication.java:783)
>> 	at ca.cscw.ProjectDocuments.app.Application.main(Application.java:16)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:585)
>> 	at com.webobjects._bootstrap.WOBootstrap.main(WOBootstrap.java:87)
>> Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
>> 	at java.lang.ClassLoader.defineClass1(Native Method)
>> 	at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
>> 	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
>> 	at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
>> 	at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
>> 	at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
>> 	at java.security.AccessController.doPrivileged(Native Method)
>> 	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
>> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>> 	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
>> 	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
>> 	at java.lang.Class.forName0(Native Method)
>> 	at java.lang.Class.forName(Class.java:164)
>> 	at er.extensions.eof.ERXEntityClassDescription$Factory.registerDescriptionForEntity(ERXEntityClassDescription.java:580)
>> 	at er.extensions.eof.ERXEntityClassDescription$Factory.registerDescriptionForEntitiesInModel(ERXEntityClassDescription.java:534)
>> 	at er.extensions.eof.ERXEntityClassDescription$Factory.modelWasAdded(ERXEntityClassDescription.java:343)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>> 	at java.lang.reflect.Method.invoke(Method.java:585)
>> 	at com.webobjects.foundation.NSSelector._safeInvokeMethod(NSSelector.java:122)
>> 	... 35 more
>> 
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> 