[JIRA] (JENKINS-53906) Jenkins fails to start with Exception after update to 2.142

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frank.shimizu@est.fujitsu.com (JIRA)

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Oct 4, 2018, 8:08:03 AM10/4/18

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Frank Shimizu created an issue

Jenkins /

JENKINS-53906

Jenkins fails to start with Exception after update to 2.142

Issue Type:	Bug
Assignee:	Stefan Wolf
Attachments:	1.txt, 2.txt, 3.txt, 4.txt, 5.txt
Components:	core, gradle-plugin
Created:	2018-10-04 12:07
Environment:	Operating system: CentOS release 6.10 x86_64 JRE running Jenkins: OpenJDK 1.8.0_181-b13 Jenkins version: 2.144 (updated from 2.142), installed via yum from repository Gradle Plugin: 1.29
Priority:	Major
Reporter:	Frank Shimizu

After updating Jenkins from 2.142 to 2.144 via yum, Jenkins does not successfully start up. On accessing the web UI the following exception is displayed:

 
                                                                java.lang.IllegalArgumentException: Comparison method violates its general contract!
	at java.util.ComparableTimSort.mergeHi(ComparableTimSort.java:866)
	at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:483)
	at java.util.ComparableTimSort.mergeForceCollapse(ComparableTimSort.java:422)
	at java.util.ComparableTimSort.sort(ComparableTimSort.java:222)
	at java.util.Arrays.sort(Arrays.java:1312)
	at java.util.Arrays.sort(Arrays.java:1506)
	at java.util.ArrayList.sort(ArrayList.java:1462)
	at java.util.Collections.sort(Collections.java:141)
	at hudson.ExtensionList.sort(ExtensionList.java:400)
	at hudson.ExtensionList.ensureLoaded(ExtensionList.java:320)
	at hudson.ExtensionList.iterator(ExtensionList.java:172)
	at jenkins.model.Jenkins.getDescriptorByType(Jenkins.java:1522)
	at hudson.plugins.copyartifact.BuildSelectorParameter.initAliases(BuildSelectorParameter.java:158)
Caused: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:104)
Caused: java.lang.Error
	at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:110)
	at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:175)
	at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:296)
	at jenkins.model.Jenkins$5.runTask(Jenkins.java:1066)
	at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:214)
	at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused: org.jvnet.hudson.reactor.ReactorException
	at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:282)
	at jenkins.InitReactorRunner.run(InitReactorRunner.java:48)
	at jenkins.model.Jenkins.executeReactor(Jenkins.java:1100)
	at jenkins.model.Jenkins.<init>(Jenkins.java:904)
	at hudson.model.Hudson.<init>(Hudson.java:85)
	at hudson.model.Hudson.<init>(Hudson.java:81)
	at hudson.WebAppMain$3.run(WebAppMain.java:233)
Caused: hudson.util.HudsonFailedToLoad
	at hudson.WebAppMain$3.run(WebAppMain.java:250)
Page generated: Oct 4, 2018 12:34:51 PM CESTJenkins ver. 2.144 
                                                            

In the jenkins.log log file there are many exceptions. I will attach text files with examples. Some of the exceptions seem to point to the Gradle Plugin but I may be wrong about that. I can't easily uninstall the Gradle Plugin to test, because we depend on two plugins which have the Gradle Plugin as a dependency.

For now a Jenkins downgrade to 2.142 solves the issue.