[JIRA] (JENKINS-57966) Multibranch Pipeline Indexing fails with ClassCastException in svn

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d.eichert@odr.de (JIRA)

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Jun 11, 2019, 12:43:01 PM6/11/19
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Daniel Eichert created an issue
 
Jenkins / Bug JENKINS-57966
Multibranch Pipeline Indexing fails with ClassCastException in svn
Issue Type: Bug Bug
Assignee: rsandell
Components: multi-branch-project-plugin (not Pipeline), pipeline
Created: 2019-06-11 16:42
Environment: Jenkins is running on a RHEL 7
Jenkins Version is 2.180
Labels: multibranch pipeline branch
Priority: Critical Critical
Reporter: Daniel Eichert

When I was indexing my jobs today I got an ClassCastException, the result of this mistake is hat my MultiBranch Pipeline job cannot find any branches and therefore the folder stays empty. This is a critical issue for me. I would appreciate any help. Here is my error message:

ERROR: [Tue Jun 11 18:16:54 CEST 2019] Could not fetch branches from source 78aad773-0322-49fb-99da-95df2966fe5b
java.lang.ClassCastException: [[J cannot be cast to org.mapdb.BTreeMap$BNode
        at org.mapdb.BTreeMap.put2(BTreeMap.java:663)
        at org.mapdb.BTreeMap.put(BTreeMap.java:643)
        at org.mapdb.DB.catPut(DB.java:105)
        at org.mapdb.DB.createHashMap(DB.java:443)
        at org.mapdb.DB$HTreeMapMaker.make(DB.java:216)
        at org.mapdb.DB.getHashMap(DB.java:356)
        at org.mapdb.DB.getHashMap(DB.java:329)
        at jenkins.scm.impl.subversion.SVNRepositoryView.<init>(SVNRepositoryView.java:115)
        at jenkins.scm.impl.subversion.SubversionSCMSource.openSession(SubversionSCMSource.java:336)
        at jenkins.scm.impl.subversion.SubversionSCMSource.retrieve(SubversionSCMSource.java:240)        at jenkins.scm.api.SCMSource._retrieve(SCMSource.java:373)
        at jenkins.scm.api.SCMSource.fetch(SCMSource.java:283)
        at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:634)
        at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:277)
        at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:164)
        at jenkins.branch.MultiBranchProject$BranchIndexing.run(MultiBranchProject.java:1025)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
[Tue Jun 11 18:16:54 CEST 2019] Finished branch indexing. Indexing took 74 ms
FATAL: Failed to recompute children of truemdmBuildReports » test
java.lang.ClassCastException: [[J cannot be cast to org.mapdb.BTreeMap$BNode
        at org.mapdb.BTreeMap.put2(BTreeMap.java:663)
        at org.mapdb.BTreeMap.put(BTreeMap.java:643)
        at org.mapdb.DB.catPut(DB.java:105)
        at org.mapdb.DB.createHashMap(DB.java:443)
        at org.mapdb.DB$HTreeMapMaker.make(DB.java:216)
        at org.mapdb.DB.getHashMap(DB.java:356)
        at org.mapdb.DB.getHashMap(DB.java:329)
        at jenkins.scm.impl.subversion.SVNRepositoryView.<init>(SVNRepositoryView.java:115)
        at jenkins.scm.impl.subversion.SubversionSCMSource.openSession(SubversionSCMSource.java:336)
        at jenkins.scm.impl.subversion.SubversionSCMSource.retrieve(SubversionSCMSource.java:240)        at jenkins.scm.api.SCMSource._retrieve(SCMSource.java:373)
        at jenkins.scm.api.SCMSource.fetch(SCMSource.java:283)
        at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:634)        at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:277)
        at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:164)
        at jenkins.branch.MultiBranchProject$BranchIndexing.run(MultiBranchProject.java:1025)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
Finished: FAILURE
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d.eichert@odr.de (JIRA)

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Jun 11, 2019, 12:48:01 PM6/11/19
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Daniel Eichert updated an issue
Change By: Daniel Eichert
When I was indexing my jobs today I got an ClassCastException, the result of this mistake is hat my MultiBranch Pipeline job cannot find any branches and therefore the folder stays empty. This is a critical issue for me. I would appreciate any help. Here is my error message:
{code:java}
{code}

ryan.pisano@vertexinc.com (JIRA)

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Aug 26, 2019, 10:06:02 PM8/26/19
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Ryan Pisano commented on Bug JENKINS-57966
 
Re: Multibranch Pipeline Indexing fails with ClassCastException in svn

Did you ever find a fix for this?  Most (all but one) of my multibranch pipelines are failing with this error now, but I can't pinpoint what is different.

pete.shanahan@corvil.com (JIRA)

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Sep 5, 2019, 8:47:01 AM9/5/19
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I hit this problem with our jenkins master and thought I was going to have to dig into some development.

From what I can tell, the issue is that the cache for svn is outdated/corrupted and this is where the exception comes from.

I went to my jenkins master's data location, and then into the cache directory.

Then I did an rm of all files looking like svn-02b3b8c6-d4e4-0310-943f-b71371c1e98f.db*

  • although on your system, I guess they would look like: svn-78aad773-0322-49fb-99da-95df2966fe5b.db*

Once I removed these files, and clicked on the 'rescan' everything was working again.

This is based on the exception I was getting indicating that the problem was at line: https://github.com/jenkinsci/subversion-plugin/blob/master/src/main/java/jenkins/scm/impl/subversion/SVNRepositoryView.java#L115

Hope this helps someone!
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