That's quite odd. Are there any other exceptions in your error log (<workspace>/.metadata/.log) that occurred around the same time as the NPE you reported?
Keith 2010/2/17 sunzf <[email protected]> > hello: > > when i enhance my class i get the follow error! > if i have jsp file in my workspace it can't be work(may be)! > now i enhance my class in other worksace it's only my enhance class,it work > ok! > > > Message: An internal error occurred during: "DataNucleus Enhancer". > Exception Stack Trace: > java.lang.NullPointerException > > at > com.google.gdt.eclipse.core.ProcessUtilities.cleanupProcess(ProcessUtilities.java:367) > > at > com.google.gdt.eclipse.core.ProcessUtilities.launchProcessAndActivateOnError(ProcessUtilities.java:271) > > at > com.google.appengine.eclipse.core.orm.enhancement.EnhancerJob.runInWorkspace(EnhancerJob.java:82) > > at > org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38) > at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) > > Session Data: > eclipse.buildId=M20090917-0800 > java.version=1.6.0_07 > java.vendor=Sun Microsystems Inc. > BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN > Framework arguments: -product org.eclipse.epp.package.jee.product > > Command-line arguments: -os win32 -ws win32 -arch x86 -product > org.eclipse.epp.package.jee.product > > > ------------------------------ > 使用新一代 Windows Live Messenger 轻松交流和共享！ > 立刻下载！<http://www.windowslive.cn/Messenger/> > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine for Java" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
