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Bug
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Resolution: Not A Defect
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Major
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None
Error fetching from GitLab 8.0.3 repository when it's used by "Multi-Branch Project Plugin" <https://wiki.jenkins-ci.org/display/JENKINS/Multi-Branch+Project+Plugin>.
Jenkins version: 1.647
Jenkins Git client version: 1.19.4
Multi-Branch Project Plugin: 0.4.1
GitLab version: 8.0.3
Log from sync branches action:
Started by timer Setting origin to git@git.compraactiva.me:compraactiva/ca-migrations.git Fetching origin... FATAL: Failed to recompute children of Sync Branches hudson.plugins.git.GitException: org.eclipse.jgit.api.errors.TransportException: git@git.compraactiva.me:compraactiva/ca-migrations.git: Failed to connect at org.jenkinsci.plugins.gitclient.JGitAPIImpl.fetch(JGitAPIImpl.java:676) at jenkins.plugins.git.AbstractGitSCMSource.retrieve(AbstractGitSCMSource.java:171) at jenkins.scm.api.SCMSource.fetch(SCMSource.java:143) at jenkins.scm.api.SCMSource.retrieve(SCMSource.java:219) at jenkins.scm.api.SCMSource.fetch(SCMSource.java:169) at com.github.mjdetullio.jenkins.plugins.multibranch.AbstractMultiBranchProject.computeChildren(AbstractMultiBranchProject.java:582) at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:151) at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:106) at hudson.model.ResourceController.execute(ResourceController.java:98) at hudson.model.Executor.run(Executor.java:410) Caused by: org.eclipse.jgit.api.errors.TransportException: git@git.compraactiva.me:compraactiva/ca-migrations.git: Failed to connect at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:139) at org.jenkinsci.plugins.gitclient.JGitAPIImpl.fetch(JGitAPIImpl.java:674) ... 9 more Caused by: org.eclipse.jgit.errors.TransportException: git@git.compraactiva.me:compraactiva/ca-migrations.git: Failed to connect at org.jenkinsci.plugins.gitclient.trilead.TrileadSessionFactory.getSession(TrileadSessionFactory.java:54) at org.eclipse.jgit.transport.SshTransport.getSession(SshTransport.java:136) at org.eclipse.jgit.transport.TransportGitSsh$SshFetchConnection.<init>(TransportGitSsh.java:262) at org.eclipse.jgit.transport.TransportGitSsh.openFetch(TransportGitSsh.java:161) at org.eclipse.jgit.transport.FetchProcess.executeImp(FetchProcess.java:136) at org.eclipse.jgit.transport.FetchProcess.execute(FetchProcess.java:122) at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1138) at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:130) ... 10 more Caused by: java.io.IOException: There was a problem while connecting to git.compraactiva.me:22 at com.trilead.ssh2.Connection.connect(Connection.java:818) at com.trilead.ssh2.Connection.connect(Connection.java:687) at com.trilead.ssh2.Connection.connect(Connection.java:587) at org.jenkinsci.plugins.gitclient.trilead.TrileadSessionFactory.getSession(TrileadSessionFactory.java:29) ... 17 more Caused by: java.io.IOException: Key exchange was not finished, connection is closed. at com.trilead.ssh2.transport.KexManager.getOrWaitForConnectionInfo(KexManager.java:93) at com.trilead.ssh2.transport.TransportManager.getConnectionInfo(TransportManager.java:230) at com.trilead.ssh2.Connection.connect(Connection.java:770) ... 20 more Caused by: java.io.IOException: Cannot negotiate, proposals do not match. at com.trilead.ssh2.transport.KexManager.handleMessage(KexManager.java:405) at com.trilead.ssh2.transport.TransportManager.receiveLoop(TransportManager.java:777) at com.trilead.ssh2.transport.TransportManager$1.run(TransportManager.java:489) at java.lang.Thread.run(Thread.java:745) Finished: FAILURE
[JENKINS-32897] Error fetching from GitLab 8.0.3 repository when it's used by "Multi-Branch Project Plugin"
My GitLab server works with the projects build action: download correctly the repo and build the project. But it doesn't work when is used by the Multi-Branch Project Plugin for the "sync branches action".
Are you use "Multi-Branch Project Plugin" with a GitLab server? "Sync branches action" works for you?
I created a job that is a "Freestyle multi-branch project" which clones a private repository (named "bin") from my account on gitlab.com. I added the credential necessary to allow that to clone, and confirmed that the repository was cloned as expected.
The sync branches log is:
Started Creating git repository in /var/lib/jenkins/caches/git-6b11d57838ef6e1e6ea47327073327d4 Setting origin to git@gitlab.com:MarkEWaite/bin.git Fetching origin... Pruning stale remotes... Getting remote branches... Checking branch master Met criteria Checking branch master-docker-jobs Met criteria Done. Branch master encoded to master Creating project for branch master Syncing config from template to branch master Branch master-docker-jobs encoded to master-docker-jobs Creating project for branch master-docker-jobs Syncing config from template to branch master-docker-jobs Scheduling build for branch master Scheduling build for branch master-docker-jobs Finished: SUCCESS
I've attached the job definition I used to confirm that it is working.
I suspect this is a local configuration issue with your Gitlab server, rather than a bug in the git plugin or the git client plugin. Many users are successfully using gitlab, including me.