[JENKINS-31586] NPE When using submodules extension

Seen this when submodules are selected. I think this happens when the build settings change and we get a first time build.

12:51:26 First time build. Skipping changelog.

12:51:26 FATAL: null

12:51:26 java.lang.NullPointerException

12:51:26 at hudson.plugins.git.extensions.impl.SubmoduleOption.onCheckoutCompleted(SubmoduleOption.java:82)

12:51:26 at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1074)

12:51:26 at hudson.scm.SCM.checkout(SCM.java:485)

12:51:26 at hudson.model.AbstractProject.checkout(AbstractProject.java:1276)

12:51:26 at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:607)

12:51:26 at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)

12:51:26 at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)

12:51:26 at hudson.model.Run.execute(Run.java:1738)

12:51:26 at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)

12:51:26 at hudson.model.ResourceController.execute(ResourceController.java:98)

12:51:26 at hudson.model.Executor.run(Executor.java:410)

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Originally reported by mmitche, imported from: NPE When using submodules extension

• status: Open
  
• priority: Minor
  
• component(s): git-plugin
  
• resolution: Unresolved
  
• votes: 1
  
• watchers: 4
  
• imported: 2025-12-02
  

Raw content of original issue

Seen this when submodules are selected. I think this happens when the build settings change and we get a first time build.


12:51:26 First time build. Skipping changelog.

12:51:26 FATAL: null

12:51:26 java.lang.NullPointerException

12:51:26 	at hudson.plugins.git.extensions.impl.SubmoduleOption.onCheckoutCompleted(SubmoduleOption.java:82)

12:51:26 	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1074)

12:51:26 	at hudson.scm.SCM.checkout(SCM.java:485)

12:51:26 	at hudson.model.AbstractProject.checkout(AbstractProject.java:1276)

12:51:26 	at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:607)

12:51:26 	at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)

12:51:26 	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)

12:51:26 	at hudson.model.Run.execute(Run.java:1738)

12:51:26 	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)

12:51:26 	at hudson.model.ResourceController.execute(ResourceController.java:98)

12:51:26 	at hudson.model.Executor.run(Executor.java:410)