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https://issues.jenkins-ci.org/browse/JENKINS-9538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=161546#comment-161546
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Joern Huxhorn commented on JENKINS-9538:
----------------------------------------
OMG, it was really fixed by simply adding "implements Serializable"!
Thanks for fixing this!
> hudson.model.FreeStyleBuild & GradleInstallation not serializable => Gradle
> build not working anymore
> -----------------------------------------------------------------------------------------------------
>
> Key: JENKINS-9538
> URL: https://issues.jenkins-ci.org/browse/JENKINS-9538
> Project: Jenkins
> Issue Type: Bug
> Components: gradle
> Affects Versions: current
> Environment: Jenkins ver. 1.409
> Reporter: Joern Huxhorn
> Assignee: gbois
>
> I switched build back to "Use Gradle Wrapper" in "Invoke Gradle script"
> configuration from a previously manually defined Gradle.
> This may be related to master/slave configuration, i.e. I think that the
> problem exists because the changed Gradle plugin configuration can't be
> synced to the slave.
> FATAL: Unable to serialize hudson.plugins.gradle.GradleInstallation$2@100e3d5
> java.io.IOException: Unable to serialize
> hudson.plugins.gradle.GradleInstallation$2@100e3d5
> at hudson.remoting.UserRequest.serialize(UserRequest.java:166)
> at hudson.remoting.UserRequest.<init>(UserRequest.java:62)
> at hudson.remoting.Channel.call(Channel.java:642)
> at
> hudson.plugins.gradle.GradleInstallation.getWrapperExecutable(GradleInstallation.java:72)
> at hudson.plugins.gradle.Gradle.perform(Gradle.java:154)
> at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
> at
> hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:649)
> at hudson.model.Build$RunnerImpl.build(Build.java:177)
> at hudson.model.Build$RunnerImpl.doRun(Build.java:139)
> at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:423)
> at hudson.model.Run.run(Run.java:1362)
> at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
> at hudson.model.ResourceController.execute(ResourceController.java:88)
> at hudson.model.Executor.run(Executor.java:145)
> Caused by: java.io.NotSerializableException: hudson.model.FreeStyleBuild
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1156)
> at
> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509)
> at
> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474)
> at
> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392)
> at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150)
> at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
> at hudson.remoting.UserRequest._serialize(UserRequest.java:155)
> at hudson.remoting.UserRequest.serialize(UserRequest.java:164)
> ... 13 more
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