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[JENKINS-29470] NPE in AbstractProject.checkout #21275
Description
When disconnecting slave during the build:
FilePath workspace = build.getWorkspace();
try {
workspace.mkdirs(); # Line 1250
} catch (IOException e) {
// Can't create workspace dir - Is slave disk full ?
new DiskSpaceMonitor().markNodeOfflineIfDiskspaceIsTooLow(build.getBuiltOn().toComputer());
throw e;
}
01:59:53 FATAL: null
01:59:53 java.lang.NullPointerException
01:59:53 at hudson.model.AbstractProject.checkout(AbstractProject.java:1250)
01:59:53 at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:622)
01:59:53 at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
01:59:53 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528)
01:59:53 at hudson.model.Run.execute(Run.java:1745)
01:59:53 at hudson.matrix.MatrixRun.run(MatrixRun.java:146)
01:59:53 at hudson.model.ResourceController.execute(ResourceController.java:89)
01:59:53 at hudson.model.Executor.run(Executor.java:240)
Originally reported by 
olivergondza, imported from: NPE in AbstractProject.checkout
- status: Resolved
- priority: Minor
- component(s): core
- label(s): 2.107.2-fixed, newbie-friendly
- resolution: Fixed
- resolved: 2018-03-05T08:19:40+00:00
- votes: 0
- watchers: 3
- imported: 2025-11-24
Raw content of original issue
When disconnecting slave during the build:
FilePath workspace = build.getWorkspace(); try { workspace.mkdirs(); # Line 1250 } catch (IOException e) { // Can't create workspace dir - Is slave disk full ? new DiskSpaceMonitor().markNodeOfflineIfDiskspaceIsTooLow(build.getBuiltOn().toComputer()); throw e; }01:59:53 FATAL: null 01:59:53 java.lang.NullPointerException 01:59:53 at hudson.model.AbstractProject.checkout(AbstractProject.java:1250) 01:59:53 at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:622) 01:59:53 at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86) 01:59:53 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:528) 01:59:53 at hudson.model.Run.execute(Run.java:1745) 01:59:53 at hudson.matrix.MatrixRun.run(MatrixRun.java:146) 01:59:53 at hudson.model.ResourceController.execute(ResourceController.java:89) 01:59:53 at hudson.model.Executor.run(Executor.java:240)
Activity
jenkins-infra-bot commentedon Jul 17, 2015
Remote link associated with this issue:
jenkins-infra-bot commentedon Mar 2, 2018
Raw content of original comment:
Incomplete (almost ready) fix is here: #3094.
Everybody is welcome to finalize it
jenkins-infra-bot commentedon Mar 4, 2018
Raw content of original comment:
#3094
jenkins-infra-bot commentedon Mar 4, 2018
Raw content of original comment:
Code changed in jenkins
User: Piush
Path:
core/src/main/java/hudson/model/AbstractProject.java
http://jenkins-ci.org/commit/jenkins/b0c5a86addf7eb0dbf84a5469380576e155eb151
Log:
JENKINS-29470- Prevent NPE in AbstractProject.checkout when agent disconnects during the build (#3094)JENKINS-29470- Prevent NPE in AbstractProject.checkout when agent disconnects during the buildjenkins-infra-bot commentedon Mar 5, 2018
Raw content of original comment:
The fix has been integrated towards 2.110
jenkins-infra-bot commentedon Apr 11, 2018
Raw content of original comment:
Code changed in jenkins
User: Piush
Path:
core/src/main/java/hudson/model/AbstractProject.java
http://jenkins-ci.org/commit/jenkins/9fb75bb4c6a7a43e472abae919fd32eef1983b92
Log:
JENKINS-29470- Prevent NPE in AbstractProject.checkout when agent disconnects during the build (#3094)JENKINS-29470- Prevent NPE in AbstractProject.checkout when agent disconnects during the build(cherry picked from commit b0c5a86)