java.lang.NullPointerException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • We're observing the following NPE, which is causing builds to spuriously fail: {code} 18:21:55 FATAL: null 18:21:55 java.lang.NullPointerException 18:21:55 at hudson.plugins.im.tools.BuildHelper.isFix(BuildHelper.java:69) 18:21:55 at hudson.plugins.im.build_notify.SummaryOnlyBuildToChatNotifier.buildCompletionMessage(SummaryOnlyBuildToChatNotifier.java:34) 18:21:55 at hudson.plugins.im.IMPublisher.notifyChatsOnBuildEnd(IMPublisher.java:577) 18:21:55 at hudson.plugins.im.IMPublisher.notifyOnBuildEnd(IMPublisher.java:304) 18:21:55 at hudson.plugins.im.IMPublisher$1.endBuild(IMPublisher.java:718) 18:21:55 at hudson.matrix.MatrixBuild$MatrixBuildExecution.post2(MatrixBuild.java:407) 18:21:55 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:658) 18:21:55 at hudson.model.Run.execute(Run.java:1731) 18:21:55 at hudson.matrix.MatrixBuild.run(MatrixBuild.java:306) 18:21:55 at hudson.model.ResourceController.execute(ResourceController.java:88) 18:21:55 at hudson.model.Executor.run(Executor.java:231) 18:21:55 at hudson.model.OneOffExecutor.run(OneOffExecutor.java:43) {code} The line reported by the tip of the stack trace would seem to be the middle {{return}} statement in the following: {code} @Deprecated public static boolean isFix(AbstractBuild<?, ?> build) { if (build.getResult() != Result.SUCCESS) { return false; } AbstractBuild<?, ?> previousBuild = getPreviousNonAbortedBuild(build); if (previousBuild != null) { return previousBuild.getResult().isWorseThan(Result.SUCCESS); } return false; } {code} The job in question is configured to allow multiple concurrent builds, at which point it seems plausible that {{previousBuild}} ends up being set to a build that is still in progress, causing {{getResult}} to return {{null}}.
    via by Peter Cawley,
  • We're observing the following NPE, which is causing builds to spuriously fail: {code} 18:21:55 FATAL: null 18:21:55 java.lang.NullPointerException 18:21:55 at hudson.plugins.im.tools.BuildHelper.isFix(BuildHelper.java:69) 18:21:55 at hudson.plugins.im.build_notify.SummaryOnlyBuildToChatNotifier.buildCompletionMessage(SummaryOnlyBuildToChatNotifier.java:34) 18:21:55 at hudson.plugins.im.IMPublisher.notifyChatsOnBuildEnd(IMPublisher.java:577) 18:21:55 at hudson.plugins.im.IMPublisher.notifyOnBuildEnd(IMPublisher.java:304) 18:21:55 at hudson.plugins.im.IMPublisher$1.endBuild(IMPublisher.java:718) 18:21:55 at hudson.matrix.MatrixBuild$MatrixBuildExecution.post2(MatrixBuild.java:407) 18:21:55 at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:658) 18:21:55 at hudson.model.Run.execute(Run.java:1731) 18:21:55 at hudson.matrix.MatrixBuild.run(MatrixBuild.java:306) 18:21:55 at hudson.model.ResourceController.execute(ResourceController.java:88) 18:21:55 at hudson.model.Executor.run(Executor.java:231) 18:21:55 at hudson.model.OneOffExecutor.run(OneOffExecutor.java:43) {code} The line reported by the tip of the stack trace would seem to be the middle {{return}} statement in the following: {code} @Deprecated public static boolean isFix(AbstractBuild<?, ?> build) { if (build.getResult() != Result.SUCCESS) { return false; } AbstractBuild<?, ?> previousBuild = getPreviousNonAbortedBuild(build); if (previousBuild != null) { return previousBuild.getResult().isWorseThan(Result.SUCCESS); } return false; } {code} The job in question is configured to allow multiple concurrent builds, at which point it seems plausible that {{previousBuild}} ends up being set to a build that is still in progress, causing {{getResult}} to return {{null}}.
    via by Peter Cawley,
    • java.lang.NullPointerException at hudson.plugins.im.tools.BuildHelper.isFix(BuildHelper.java:69) at hudson.plugins.im.build_notify.SummaryOnlyBuildToChatNotifier.buildCompletionMessage(SummaryOnlyBuildToChatNotifier.java:34) at hudson.plugins.im.IMPublisher.notifyChatsOnBuildEnd(IMPublisher.java:577) at hudson.plugins.im.IMPublisher.notifyOnBuildEnd(IMPublisher.java:304) at hudson.plugins.im.IMPublisher$1.endBuild(IMPublisher.java:718) at hudson.matrix.MatrixBuild$MatrixBuildExecution.post2(MatrixBuild.java:407) at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:658) at hudson.model.Run.execute(Run.java:1731) at hudson.matrix.MatrixBuild.run(MatrixBuild.java:306) at hudson.model.ResourceController.execute(ResourceController.java:88) at hudson.model.Executor.run(Executor.java:231) at hudson.model.OneOffExecutor.run(OneOffExecutor.java:43)
    No Bugmate found.