Suddenly java.language.ClassLoader errors

after successfully compiling and running a program I wrote another one and got the following errors when I tried to execute - compilation was ok
java.lang.NoClassDefFoundError: SourceCode/BookPrograms/ASCII/ch05/OracleDemo (wrong name: OracleDemo)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:502)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:250)
at java.net.URLClassLoader.access$100(URLClassLoader.java:54)
at java.net.URLClassLoader$1.run(URLClassLoader.java:193)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:186)
at java.lang.ClassLoader.loadClass(ClassLoader.java:299)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
at java.lang.ClassLoader.loadClass(ClassLoader.java:255)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
Exception in thread "main"
I then tried it with the program that ran before and got the same errors and I'm now getting it for all programs I tried to run
I not only don't understand the errors but also don't know what to look for in the documentation
any help would be appreciated - peter jurkat

Hi Peter,
The error message "NoClassDefFoundError", means that the java class loader cannot find the file "OracleDemo.class" in subdirectory "SourceCode/BookPrograms/ASCII/ch05"
Unfortunately, based on the [lack of] information you have supplied, I can only guess as to how to correct this problem. Hopefully, some of what I suggest may help you.
When you launch the JVM, the class loader(s) search for required "*.class" files by searching a set of directories (and their subdirectories) whose names are determined via your configuration. Part of that configuration is an environment variable named CLASSPATH.
If you claim that you were previously successful in launching your java applications, but now you are not, then obviously something has changed in your configuration -- possibly the value of your CLASSPATH. Again, I wouldn't have a clue what that change is because you haven't supplied much information regarding your environment.
If you are using an IDE (like "JBuilder" or "eclipse"), perhaps you have modified its configuration?
So basically, you need to correct your configuration/environment (probably by changing the value of your CLASSPATH environment variable) so as to allow the java class loader to locate the "OracleDemo.class".
Judging from the information you have supplied, it seems that you are on a linux/UNIX platform. If that is the case, then have you seen this lesson (from the "Java Tutorial")?
http://java.sun.com/docs/books/tutorial/getStarted/cupojava/unix.html
Hope this helps you.
Good Luck,
Avi.

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     at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareModel(PageLifecycleImpl.java:112)
     at oracle.adf.controller.v2.lifecycle.Lifecycle$2.execute(Lifecycle.java:137)
     at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:192)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$400(ADFPhaseListener.java:21)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.startPageLifecycle(ADFPhaseListener.java:231)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:267)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:71)
     at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:53)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:364)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:326)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
<Utils><buildFacesMessage> ADF: Adding the following JSF error message: Uventet undtagelse fundet: java.lang.ArrayIndexOutOfBoundsException, msg=0
oracle.jbo.JboException: JBO-29000: Uventet undtagelse fundet: java.lang.ArrayIndexOutOfBoundsException, msg=0
     at oracle.adf.model.binding.DCBindingContainer.reportException(DCBindingContainer.java:404)
     at oracle.adf.model.binding.DCBindingContainer.reportException(DCBindingContainer.java:466)
     at oracle.adf.model.dvt.binding.transform.Utils.reportException(Utils.java:538)
     at oracle.adf.model.dvt.binding.transform.Utils.reportException(Utils.java:551)
     at oracle.adfinternal.view.faces.dvt.model.binding.common.FacesCubicBinding.logDataChangeEvent(FacesCubicBinding.java:401)
     at oracle.adfinternal.view.faces.dvt.model.binding.gauge.FacesGaugeBinding.dataChanged(FacesGaugeBinding.java:96)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.createAndNotifyDCE(JUCtrlValueBinding.java:305)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.createAndNotifyDCE(JUCtrlHierNodeBinding.java:2379)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.updateNavigated(JUCtrlValueBinding.java:277)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.updateNavigated(JUCtrlHierNodeBinding.java:2152)
     at oracle.jbo.uicli.binding.JUIteratorBinding.navigated(JUIteratorBinding.java:300)
     at oracle.jbo.common.RowSetHelper.fireNavigationEvent(RowSetHelper.java:264)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigationToRow(ViewRowSetIteratorImpl.java:3639)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigation(ViewRowSetIteratorImpl.java:3610)
     at oracle.jbo.server.ViewRowSetIteratorImpl.internalSetCurrentRow(ViewRowSetIteratorImpl.java:3393)
     at oracle.jbo.server.ViewRowSetIteratorImpl.first(ViewRowSetIteratorImpl.java:1566)
     at oracle.jbo.server.ViewRowSetImpl.first(ViewRowSetImpl.java:3384)
     at oracle.jbo.server.ViewObjectImpl.first(ViewObjectImpl.java:8836)
     at oracle.adf.model.binding.DCIteratorBinding.setupRSIstate(DCIteratorBinding.java:767)
     at oracle.adf.model.binding.DCIteratorBinding.refreshControl(DCIteratorBinding.java:667)
     at oracle.jbo.uicli.binding.JUIteratorBinding.refreshControl(JUIteratorBinding.java:475)
     at oracle.adf.model.binding.DCIteratorBinding.refresh(DCIteratorBinding.java:4372)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3387)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3222)
     at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2791)
     at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareModel(PageLifecycleImpl.java:112)
     at oracle.adf.controller.v2.lifecycle.Lifecycle$2.execute(Lifecycle.java:137)
     at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:192)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$400(ADFPhaseListener.java:21)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.startPageLifecycle(ADFPhaseListener.java:231)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:267)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:71)
     at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:53)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:364)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:326)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.findNodeByDCEPath(JUCtrlHierBinding.java:705)
     at oracle.adf.model.dvt.binding.common.CommonBinding.findNodeByDCEPath(CommonBinding.java:130)
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.resolveBindingForDCE(JUCtrlHierBinding.java:635)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.resolveBindingForDCE(JUCtrlHierNodeBinding.java:861)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.resolveBinding(JUCtrlValueBinding.java:4045)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.getChangeType(JUCtrlValueBinding.java:4062)
     at oracle.adfinternal.view.faces.dvt.model.binding.common.FacesCubicBinding.logDataChangeEvent(FacesCubicBinding.java:361)
     ... 68 more
(the actual log entry is about three times longer than the above, but I had to shorten it in order to be allowed to post this message).
I don't really know how to use this information. It seems to point to internal packages, and doesn't really tell me anything about what is actually wrong, or where (that I can see).
How can I find out what the real problem is, and what has caused it?
Regards,
Andreas

Hi,
I have an application that has suddenly started giving java.lang.ArrayIndexOutOfBoundsException errors when I run it. The application only has two pages in it at the moment; after it is started it runs okay to begin with, but if I go from the first to the second page and back again, these errors start popping up whenever I try to do anything (like selecting a row in a table, or trying to log out of the application. The errors don't SEEM to be directly related to any recent changes in the application, but it's hard for me to tell.
The integrated weblogicserver log has this to say (from just one click on the page):
<Utils><reportException> 0
java.lang.ArrayIndexOutOfBoundsException: 0
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.findNodeByDCEPath(JUCtrlHierBinding.java:705)
     at oracle.adf.model.dvt.binding.common.CommonBinding.findNodeByDCEPath(CommonBinding.java:130)
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.resolveBindingForDCE(JUCtrlHierBinding.java:635)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.resolveBindingForDCE(JUCtrlHierNodeBinding.java:861)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.resolveBinding(JUCtrlValueBinding.java:4045)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.getChangeType(JUCtrlValueBinding.java:4062)
     at oracle.adfinternal.view.faces.dvt.model.binding.common.FacesCubicBinding.logDataChangeEvent(FacesCubicBinding.java:361)
     at oracle.adfinternal.view.faces.dvt.model.binding.gauge.FacesGaugeBinding.dataChanged(FacesGaugeBinding.java:96)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.createAndNotifyDCE(JUCtrlValueBinding.java:305)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.createAndNotifyDCE(JUCtrlHierNodeBinding.java:2379)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.updateNavigated(JUCtrlValueBinding.java:277)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.updateNavigated(JUCtrlHierNodeBinding.java:2152)
     at oracle.jbo.uicli.binding.JUIteratorBinding.navigated(JUIteratorBinding.java:300)
     at oracle.jbo.common.RowSetHelper.fireNavigationEvent(RowSetHelper.java:264)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigationToRow(ViewRowSetIteratorImpl.java:3639)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigation(ViewRowSetIteratorImpl.java:3610)
     at oracle.jbo.server.ViewRowSetIteratorImpl.internalSetCurrentRow(ViewRowSetIteratorImpl.java:3393)
     at oracle.jbo.server.ViewRowSetIteratorImpl.first(ViewRowSetIteratorImpl.java:1566)
     at oracle.jbo.server.ViewRowSetImpl.first(ViewRowSetImpl.java:3384)
     at oracle.jbo.server.ViewObjectImpl.first(ViewObjectImpl.java:8836)
     at oracle.adf.model.binding.DCIteratorBinding.setupRSIstate(DCIteratorBinding.java:767)
     at oracle.adf.model.binding.DCIteratorBinding.refreshControl(DCIteratorBinding.java:667)
     at oracle.jbo.uicli.binding.JUIteratorBinding.refreshControl(JUIteratorBinding.java:475)
     at oracle.adf.model.binding.DCIteratorBinding.refresh(DCIteratorBinding.java:4372)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3387)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3222)
     at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2791)
     at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareModel(PageLifecycleImpl.java:112)
     at oracle.adf.controller.v2.lifecycle.Lifecycle$2.execute(Lifecycle.java:137)
     at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:192)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$400(ADFPhaseListener.java:21)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.startPageLifecycle(ADFPhaseListener.java:231)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:267)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:71)
     at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:53)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:364)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:326)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
<Utils><buildFacesMessage> ADF: Adding the following JSF error message: Uventet undtagelse fundet: java.lang.ArrayIndexOutOfBoundsException, msg=0
oracle.jbo.JboException: JBO-29000: Uventet undtagelse fundet: java.lang.ArrayIndexOutOfBoundsException, msg=0
     at oracle.adf.model.binding.DCBindingContainer.reportException(DCBindingContainer.java:404)
     at oracle.adf.model.binding.DCBindingContainer.reportException(DCBindingContainer.java:466)
     at oracle.adf.model.dvt.binding.transform.Utils.reportException(Utils.java:538)
     at oracle.adf.model.dvt.binding.transform.Utils.reportException(Utils.java:551)
     at oracle.adfinternal.view.faces.dvt.model.binding.common.FacesCubicBinding.logDataChangeEvent(FacesCubicBinding.java:401)
     at oracle.adfinternal.view.faces.dvt.model.binding.gauge.FacesGaugeBinding.dataChanged(FacesGaugeBinding.java:96)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.createAndNotifyDCE(JUCtrlValueBinding.java:305)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.createAndNotifyDCE(JUCtrlHierNodeBinding.java:2379)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding.updateNavigated(JUCtrlValueBinding.java:277)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.updateNavigated(JUCtrlHierNodeBinding.java:2152)
     at oracle.jbo.uicli.binding.JUIteratorBinding.navigated(JUIteratorBinding.java:300)
     at oracle.jbo.common.RowSetHelper.fireNavigationEvent(RowSetHelper.java:264)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigationToRow(ViewRowSetIteratorImpl.java:3639)
     at oracle.jbo.server.ViewRowSetIteratorImpl.notifyNavigation(ViewRowSetIteratorImpl.java:3610)
     at oracle.jbo.server.ViewRowSetIteratorImpl.internalSetCurrentRow(ViewRowSetIteratorImpl.java:3393)
     at oracle.jbo.server.ViewRowSetIteratorImpl.first(ViewRowSetIteratorImpl.java:1566)
     at oracle.jbo.server.ViewRowSetImpl.first(ViewRowSetImpl.java:3384)
     at oracle.jbo.server.ViewObjectImpl.first(ViewObjectImpl.java:8836)
     at oracle.adf.model.binding.DCIteratorBinding.setupRSIstate(DCIteratorBinding.java:767)
     at oracle.adf.model.binding.DCIteratorBinding.refreshControl(DCIteratorBinding.java:667)
     at oracle.jbo.uicli.binding.JUIteratorBinding.refreshControl(JUIteratorBinding.java:475)
     at oracle.adf.model.binding.DCIteratorBinding.refresh(DCIteratorBinding.java:4372)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3387)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.refreshExecutables(DCBindingContainer.java:3371)
     at oracle.adf.model.binding.DCBindingContainer.internalRefreshControl(DCBindingContainer.java:3222)
     at oracle.adf.model.binding.DCBindingContainer.refresh(DCBindingContainer.java:2791)
     at oracle.adf.controller.v2.lifecycle.PageLifecycleImpl.prepareModel(PageLifecycleImpl.java:112)
     at oracle.adf.controller.v2.lifecycle.Lifecycle$2.execute(Lifecycle.java:137)
     at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:192)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.access$400(ADFPhaseListener.java:21)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$PhaseInvokerImpl.startPageLifecycle(ADFPhaseListener.java:231)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:267)
     at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:71)
     at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:53)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:364)
     at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:177)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
     at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
     at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
     at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:191)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:97)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:420)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:247)
     at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:157)
     at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:94)
     at java.security.AccessController.doPrivileged(Native Method)
     at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
     at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
     at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:138)
     at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:70)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at oracle.dms.wls.DMSServletFilter.doFilter(DMSServletFilter.java:326)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
     at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.doIt(WebAppServletContext.java:3684)
     at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3650)
     at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
     at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
     at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2268)
     at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174)
     at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1446)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.findNodeByDCEPath(JUCtrlHierBinding.java:705)
     at oracle.adf.model.dvt.binding.common.CommonBinding.findNodeByDCEPath(CommonBinding.java:130)
     at oracle.jbo.uicli.binding.JUCtrlHierBinding.resolveBindingForDCE(JUCtrlHierBinding.java:635)
     at oracle.jbo.uicli.binding.JUCtrlHierNodeBinding.resolveBindingForDCE(JUCtrlHierNodeBinding.java:861)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.resolveBinding(JUCtrlValueBinding.java:4045)
     at oracle.jbo.uicli.binding.JUCtrlValueBinding$BindingDataChangeEvent$BindingDataChangeEntry.getChangeType(JUCtrlValueBinding.java:4062)
     at oracle.adfinternal.view.faces.dvt.model.binding.common.FacesCubicBinding.logDataChangeEvent(FacesCubicBinding.java:361)
     ... 68 more
(the actual log entry is about three times longer than the above, but I had to shorten it in order to be allowed to post this message).
I don't really know how to use this information. It seems to point to internal packages, and doesn't really tell me anything about what is actually wrong, or where (that I can see).
How can I find out what the real problem is, and what has caused it?
Regards,
Andreas

Problems with java.lang.NoClassDefFound error *solved*

realising my stupidity I have solved the problem
I am quite new to java and I have been using the Java for Dummies book to help me to learn it. I decided to use the command line tools instead of an IDE and hadn't encountered any problems until recently. I took a break from learning Java after reaching the end of the book but have decided to come back to it. The problem now is that when I run my programs I get the following error:
Exception in thread "main" java.lang.NoClassDefFoundError: helloworld (wrong anme: HelloWorld)
     at java.lang.ClassLoader.defineClass1(Native Method)
     at java.lang.ClassLoader.defineClass(Unknown Source)
     at java.security.SecureClassLoader.defineClass(Unknown Source)
     at java.net.URLClassLoader.defineClass(Unknown Source)
     at java.net.URLClassLoader.access$000(Unknown Source)
     at java.net.URLClassLoader$1.run(Unknown Source)
     at java.security.AccessController.doPriviledged(Native Method)
     at java.net.URLClassLoader.findClass(Unknown Source)
     at sun.misc.Launcher$AppClassLoader.localClass(Unknown Source)
     at java.lang.ClassLoader.loadClass(Unknown Source)
     at java.lang.ClassLoader.loadClassInternal(Unknown Source)
This occurs from a simple hello world program:
class HelloWorld
   public static void main(String[] args)
      System.out.println("Hello, World!");
}I have no idea what the problem is, although by looking at similar threads it would appear that it may be something to do with the classpath variables however I do not know much about this as I followed a tutorial on the internet to set the classpath up.
Edited by: this_is_phil on Jun 19, 2008 11:11 AM

this_is_phil wrote:
Exception in thread "main" java.lang.NoClassDefFoundError: helloworld (wrong anme: HelloWorld)This part of the error message means you typed in "helloworld" but the class that java found was named HelloWorld. In Java, those are different - java is case sensitive. It will work if you enter HelloWorld.

No muxer in java.library.path error

I get this when I try to run server6.0 on win98. can someone help me understand what is wrong?
Thanks!
<Nov 17, 2001 4:17:16 PM CST> <Error> <Performance Pack> <Unable to load perform
ance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no muxer in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.PosixSocketMuxer.<init>(PosixSocketMuxer.java:90)
at java.lang.Class.newInstance0(Native Method)

Ramesh & Kumar,
I got the same error when I tried to run WL Server 6.1
on my Windows 98. Here is the complete trace. Is this
error something that can be ignored because it sounds
like it is something just for performance.
<Nov 21, 2001 1:57:21 PM EST> <Error> <Performance Pack> <Unable to load perform
ance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no muxer in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.PosixSocketMuxer.<init>(PosixSocketMuxer.java:90)
at java.lang.Class.newInstance0(Native Method)
at java.lang.Class.newInstance(Class.java:237)
at weblogic.socket.SocketMuxer.makeTheMuxer(SocketMuxer.java:128)
at weblogic.socket.SocketMuxer.getMuxer(SocketMuxer.java:83)
at weblogic.t3.srvr.ListenThread.run(ListenThread.java:232)
>
<Nov 21, 2001 1:57:22 PM EST> <Notice> <WebLogicServer> <Started WebLogic Admin
Server "petstoreServer" for domain "petstore" running in Production Mode>
Looks like the petstore application is working...inspite of the
above error message.
Thanks,
Balaji.
Kumar Allamraju <[email protected]> wrote:
It appears the following stack trace is incomplete.
I can't believe the stack trace is originated from PosixSocketMuxer.
posix is only for unix platform.
In anycase before loading a performance pack we check the OS and
based on that we will load the appropriate dll/shared library.
AFAIK, performance pack is not certified on 98.
That's why it's failing.
Kumar
Ramesh wrote:
I get this when I try to run server6.0 on win98. can someone helpme understand what is wrong?
Thanks!
<Nov 17, 2001 4:17:16 PM CST> <Error> <Performance Pack> <Unable toload perform
ance pack, using Java I/O.
java.lang.UnsatisfiedLinkError: no muxer in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1312)
at java.lang.Runtime.loadLibrary0(Runtime.java:749)
at java.lang.System.loadLibrary(System.java:820)
at weblogic.socket.PosixSocketMuxer.<init>(PosixSocketMuxer.java:90)
at java.lang.Class.newInstance0(Native Method)

Weird java library path error

I have the so file in the path and the file name is spelled correctly. Java still complains that the so file is not in the java.library.path. I used System.loadLibrary("Java_xDVDFSReader"). Is it possible that my so file is messed up? I included the gcc command I used to make it. I'm not familar w/ gcc so I'm not sure if the error comes from a "messed up" so file or not. Any suggestions? TIA
[ttran@localhost Java-Library-Path]$ java FindJavaLibraryPath
Library path: /usr/java/j2sdk1.4.2_02/jre/lib/i386/client:/usr/java/j2sdk1.4.2_02/jre/lib/i386:/usr/java/j2sdk1.4.2_02/jre/../lib/i386:/home/ttran/projects/Java_xDVDFSReader/final/
[ttran@localhost Java-Library-Path]$ cd ../Java_xDVDFSReader/final/
[ttran@localhost final]$ ls
C-Lib Java_xDVDFSReader.so xDVDFSReader.class xDVDFSReader.java xDVDFSReader.java~
[ttran@localhost final]$ pwd
/home/ttran/projects/Java_xDVDFSReader/final
[ttran@localhost final]$ java xDVDFSReader
Exception in thread "main" java.lang.UnsatisfiedLinkError: no Java_xDVDFSReader.so in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1491)
at java.lang.Runtime.loadLibrary0(Runtime.java:788)
at java.lang.System.loadLibrary(System.java:834)
at xDVDFSReader.<clinit>(xDVDFSReader.java:15)
[ttran@localhost final]$ cd C-Lib/
[ttran@localhost C-Lib]$ make
gcc -o ../Java_xDVDFSReader.so -shared -Wl,-soname,Java_xDVDFSReader.so -I/usr/java/j2sdk1.4.2_02/include -I/usr/java/j2sdk1.4.2_02/include/linux Java_xDVDFSReader.c -static -lc

This thread contains the answer:
http://forum.java.sun.com/thread.jsp?thread=298006&forum=54&message=1178476
It's stupid to have to put "lib" infront of a so file. Whose fault is it? UNIX or Java ;)

Exception in thread "main" java.lang.ClassFormat Error

I am running a java program in NeBeans and when I run the program I am getting the following error:
Exception in thread "main" java.lang.ClassFormatError: Repetitive method name/signature in class file pluginex2/TtsoapcgiPortType_addLink_ResponseStruct_SOAPSerializer
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$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at pluginex2.Ttsoapcgi_SerializerRegistry.getRegistry(Ttsoapcgi_SerializerRegistry.java:73)
at pluginex2.Ttsoapcgi_Impl.<init>(Ttsoapcgi_Impl.java:25)
at pluginex2.Main.main(Main.java:25)
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)
What should I do?Can anyone please help me out?
Thanks,
Sravanthi.

The class files are automatically into the build/generated/wsclient/project-name file of my project.
I copied those class files into my source folder to make my program work.When I searched my system I jus found two of these files in build/generated/wsclient/project-name folder and source folder of my project.
I am running the program directly through NetBeans IDE.

Suddenly java.language.ClassLoader errors

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