java.lang.NullPointerException: This exception has no message.

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via Jenkins JIRA by Noam Manos, 1 year ago
This exception has no message.
via Jenkins JIRA by Noam Manos, 1 year ago
This exception has no message.
via Google Groups by John Lussmyer, 2 years ago
This exception has no message.
java.lang.NullPointerException:
at org.jvnet.hudson.plugins.exclusion.IdAllocator.getDescriptor(IdAllocator.java:172)
at hudson.model.Descriptor.toMap(Descriptor.java:986)
at hudson.util.DescribableList.toMap(DescribableList.java:151)
at hudson.matrix.MatrixProject.getBuildWrappers(MatrixProject.java:812)
at hudson.matrix.MatrixConfiguration.getBuildWrappers(MatrixConfiguration.java:358)
at hudson.model.Project.createTransientActions(Project.java:257)
at hudson.model.AbstractProject.updateTransientActions(AbstractProject.java:755)
at hudson.matrix.MatrixConfiguration.updateTransientActions(MatrixConfiguration.java:141)
at hudson.model.AbstractProject.onLoad(AbstractProject.java:339)
at hudson.model.Project.onLoad(Project.java:98)
at hudson.matrix.MatrixConfiguration.onLoad(MatrixConfiguration.java:97)
at hudson.matrix.MatrixProject.loadConfigurations(MatrixProject.java:573)
at hudson.matrix.MatrixProject.loadConfigurations(MatrixProject.java:580)
at hudson.matrix.MatrixProject.loadConfigurations(MatrixProject.java:580)
at hudson.matrix.MatrixProject.rebuildConfigurations(MatrixProject.java:617)
at hudson.matrix.MatrixProject.onLoad(MatrixProject.java:508)
at hudson.model.Items.load(Items.java:327)
at jenkins.model.Jenkins$18.run(Jenkins.java:2812)
at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:169)
at jenkins.model.Jenkins$8.runTask(Jenkins.java:1009)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

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