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From "Gilles Scokart (JIRA)" <j...@apache.org>
Subject [jira] Created: (IVY-618) NPE in case of eviction
Date Mon, 08 Oct 2007 11:56:51 GMT
NPE in case of eviction
-----------------------

                 Key: IVY-618
                 URL: https://issues.apache.org/jira/browse/IVY-618
             Project: Ivy
          Issue Type: Bug
    Affects Versions: 2.0.0-beta-1
            Reporter: Gilles Scokart
            Priority: Blocker
             Fix For: 2.0.0-beta-1


Since the fix of IVY-603, we have NPE in some cases when we have evicted modules.

(I have slightly updated the code to have a more precise trace)

java.lang.NullPointerException: getDescriptor() is null for [ junit | junit | 3.8.1 ]
        at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:256)
        at org.apache.ivy.core.resolve.ResolveEngine.resolve(ResolveEngine.java:193)
        at org.apache.ivy.Ivy.resolve(Ivy.java:256)
        at org.apache.ivy.ant.IvyResolve.doExecute(IvyResolve.java:212)
        at org.apache.ivy.ant.IvyTask.execute(IvyTask.java:281)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:615)
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:105)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:357)
        at org.apache.tools.ant.Target.performTasks(Target.java:385)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
        at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
        at org.apache.tools.ant.Main.runBuild(Main.java:698)
        at org.apache.tools.ant.Main.startAnt(Main.java:199)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)

Reverting the change done to ResolveEngine.java in IVY-603 seems to fix the regression.  But
the right fix might be to fill the descriptor even when the module is evicted...


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