Hi,

I try to create a pipeline project, but get always this error:

{{
Started
Creating git repository in /var/lib/jenkins/caches/git-a2d04db821719ce9bac0f9be2f320f58
Setting origin to https://mygithost/repo.git
Fetching origin...

FATAL: Failed to recompute children of MyTestProject
hudson.plugins.git.GitException: org.eclipse.jgit.api.errors.TransportException: https://mygithost/repo.git: cannot open git-upload-pack
at org.jenkinsci.plugins.gitclient.JGitAPIImpl.fetch(JGitAPIImpl.java:680)
at jenkins.plugins.git.AbstractGitSCMSource.retrieve(AbstractGitSCMSource.java:174)
at jenkins.scm.api.SCMSource.fetch(SCMSource.java:146)
at jenkins.branch.MultiBranchProject.computeChildren(MultiBranchProject.java:294)
at com.cloudbees.hudson.plugins.folder.computed.ComputedFolder.updateChildren(ComputedFolder.java:157)
at com.cloudbees.hudson.plugins.folder.computed.FolderComputation.run(FolderComputation.java:122)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Caused by: org.eclipse.jgit.api.errors.TransportException: https://mygithost/repo.git: cannot open git-upload-pack
at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:139)
at org.jenkinsci.plugins.gitclient.JGitAPIImpl.fetch(JGitAPIImpl.java:678)
... 7 more
Caused by: org.eclipse.jgit.errors.TransportException: https://mygithost/repo.git: cannot open git-upload-pack
at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:524)
at org.eclipse.jgit.transport.TransportHttp.openFetch(TransportHttp.java:309)
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)
... 8 more
Caused by: java.net.ConnectException: Connection refused mygithost
at org.eclipse.jgit.util.HttpSupport.response(HttpSupport.java:175)
at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:475)
... 13 more
Finished: FAILURE
}}

the (jenkins-)user can clone the repo via "git clone https://mygithost/repo.git" on the command line.

the ssl certifacte was added to the default truststore

If I try to use plain http, it still creates the above error.

Whats wrong in there?