call-onsave:
[java] java.lang.NullPointerException
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:194)
[java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:771)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:221)
[java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:135)
[java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:108)
[java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
[java] at sun.reflect.GeneratedMethodAccessor130.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[java] at java.lang.reflect.Method.invoke(Unknown Source)
[java] at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
[java] at org.apache.tools.ant.Task.perform(Task.java:348)
[java] at org.apache.tools.ant.Target.execute(Target.java:392)
[java] at org.apache.tools.ant.Target.performTasks(Target.java:413)
[java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
[java] at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
[java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
[java] at org.eclipse.ant.internal.core.ant.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
[java] at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
[java] at org.eclipse.ant.internal.core.ant.InternalAntRunner.run(InternalAntRunner.java:672)
[java] at org.eclipse.ant.internal.core.ant.InternalAntRunner.run(InternalAntRunner.java:498)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[java] at java.lang.reflect.Method.invoke(Unknown Source)
[java] at org.eclipse.ant.core.AntRunner.run(AntRunner.java:378)
[java] at org.eclipse.ant.internal.launching.launchConfigurations.AntLaunchDelegate.runInSameVM(AntLaunchDelegate.java:321)
[java] at org.eclipse.ant.internal.launching.launchConfigurations.AntLaunchDelegate.launch(AntLaunchDelegate.java:274)
[java] at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:855)
[java] at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:704)
[java] at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:697)
[java] at org.eclipse.core.externaltools.internal.model.ExternalToolBuilder.launchBuild(ExternalToolBuilder.java:181)
[java] at org.eclipse.core.externaltools.internal.model.ExternalToolBuilder.doBuildBasedOnScope(ExternalToolBuilder.java:169)
[java] at org.eclipse.core.externaltools.internal.model.ExternalToolBuilder.build(ExternalToolBuilder.java:88)
[java] at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:726)
[java] at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
[java] at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)
[java] at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)
[java] at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)
[java] at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
[java] at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)
[java] at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)
[java] at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)
[java] at org.eclipse.core.internal.resources.Workspace.buildInternal(Workspace.java:513)
[java] at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:432)
[java] at org.eclipse.ui.actions.BuildAction$1.runInWorkspace(BuildAction.java:305)
[java] at org.eclipse.core.internal.resources.InternalWorkspaceJob.run(InternalWorkspaceJob.java:38)
[java] at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
[java] Caused by: java.lang.NullPointerException
[java] at org.strategoxt.imp.runtime.Environment.getDescriptor(Environment.java:382)
[java] at org.strategoxt.imp.runtime.FileState.getFile(FileState.java:65)
[java] at org.strategoxt.imp.metatooling.building.AntForceOnSave.main(AntForceOnSave.java:17)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[java] at java.lang.reflect.Method.invoke(Unknown Source)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:217)
[java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:152)
[java] … 46 more
[java] Java Result: -1

Submitted by Daco Harkes on 15 March 2013 at 09:36

I’ve seen this a lot in the lab on Windows machines, but I’ve not been able to reproduce it yet.

Haven’t seen this issue in a long time, closing.