Details
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Bug
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Status: Fixed but Unreleased (View Workflow)
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Major
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Resolution: Duplicate
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Jenkins ver. 1.566m Java 7u25, Windows Server 2008 master, Debian & Ubuntu slaves
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Jenkins 2.60.3
Description
Jenkins failed some test on 2 configurations out of a 5-configuration matrix build, with the other 3 builds completing normally. Both failed slaves leave no additional information for diagnosing the root cause:
13:49:24 Started by upstream project "fast-tests" build number 920 13:49:24 originally caused by: 13:49:24 Started by user User 13:49:24 FATAL: null 13:49:24 java.lang.NullPointerException 13:49:24 at hudson.model.Slave.createLauncher(Slave.java:359) 13:49:24 at hudson.model.AbstractBuild$AbstractBuildExecution.createLauncher(AbstractBuild.java:559) 13:49:24 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:476) 13:49:24 at hudson.model.Run.execute(Run.java:1710) 13:49:24 at hudson.matrix.MatrixRun.run(MatrixRun.java:146) 13:49:24 at hudson.model.ResourceController.execute(ResourceController.java:88) 13:49:24 at hudson.model.Executor.run(Executor.java:231)
JENKINS-21999 seemed to be a similar issue but the line numbers have changed and that issue was fixed, whereas this issue still occurs.
Attachments
Issue Links
- duplicates
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- Resolved
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- relates to
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- Resolved
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Activity
My guess would be that despite isUnix being set in a synchronized{} block, isUnix() is not synchronised, so a second thread getting the value might be getting an out of date value.
trejkaz
added a comment - - edited My guess would be that despite isUnix being set in a synchronized{} block, isUnix() is not synchronised, so a second thread getting the value might be getting an out of date value. Another stacktrace for Jenkins Pipeline:
java.lang.NullPointerException at hudson.model.Slave.createLauncher(Slave.java:417) at org.jenkinsci.plugins.workflow.support.DefaultStepContext.makeLauncher(DefaultStepContext.java:112) at org.jenkinsci.plugins.workflow.support.DefaultStepContext.get(DefaultStepContext.java:68) at org.jenkinsci.plugins.workflow.steps.StepDescriptor.checkContextAvailability(StepDescriptor.java:251) at org.jenkinsci.plugins.workflow.cps.DSL.invokeStep(DSL.java:179) at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:126) at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:108) at groovy.lang.GroovyObject$invokeMethod.call(Unknown Source)
It's weird how a job can be scheduled for a node before it could be determined whether it's Unix.