I installed Jenkins > 18 months ago, and it has worked well over that
period. I configured it the user authentication to use SSHD, and we are
using ssh to connect to our CVS server, but I don't believe we are using it
anywhere else.
About 2 weeks ago, I was not able to log in as admin. After a fair amount
of head scratching I created a trouble ticket and reconfigured the server
to a single admin, rather than matrix, and put the user / password on the
start up. and switche to servlet container managed. Not ideal, but better
than nothing until I can get the issue sorted. Then on Sunday of this week,
I was doing a bit of work, and started seeing the jobs fail as their
polling period hit, all with the following error:
Started by user zzzz
[EnvInject] - Loading node environment variables.
Building in workspace /proj/qctrlApps/jenkins/workspace/yyyyy
cvs checkout -P -D 15 Dec 2014 14:59:47 -0700 -d yyyy aaaaControl/xxxxApp
ERROR: CVS Authentication failed: null
org.netbeans.lib.cvsclient.connection.AuthenticationException: SSH
connection failed.
at org.netbeans.lib.cvsclient.connection.SSHConnection.open(
SSHConnection.java:141)
at org.netbeans.lib.cvsclient.Client$1.run(Client.java:374)
at java.lang.Thread.run(Thread.java:662)
Caused by: com.jcraft.jsch.JSchException: Auth cancel
at com.jcraft.jsch.Session.connect(Session.java:511)
at com.jcraft.jsch.Session.connect(Session.java:184)
at org.netbeans.lib.cvsclient.connection.SSHConnection.open(
SSHConnection.java:139)
... 2 more
ERROR: Cvs task failed
We use public key access, but the password does expire. However, that was
not the case when I logged into the CVS server. Back on the jenkins build
server, I tried the cvs command from the command line after inserting some
quotes around the date, and I was able to checkout fine, with no warning or
errors coming up. After digging around on the web I discovered that there
was a recent issue with the CVS plug in and ssh that was fixed in 2.10, I
am running 2.11 / 2.12, and it did not seem to be an issue before Sunday,
or even earlier in the day on Sunday. I have a Jenkins server instance
running on my Windows 7 workstation that I have been doing some
experimentation with, and it has had no problems connecting to the CVS
server.
After further reading I tried to roll the cvs plugin back to 1.6, but that
failed with a different reported error:
With 1.6 plugin
SEVERE: Failed to record SCM polling for
hudson.model.FreeStyleProject@1801fb7d[csipApp]
java.lang.NullPointerException
at hudson.scm.CVSSCM.getAllModulesNormalized(CVSSCM.java:330)
at hudson.scm.CVSSCM$3.invoke(CVSSCM.java:721)
at hudson.scm.CVSSCM$3.invoke(CVSSCM.java:716)
at hudson.FilePath.act(FilePath.java:981)
at hudson.FilePath.act(FilePath.java:959)
at hudson.scm.CVSSCM.isUpdatable(CVSSCM.java:716)
at hudson.scm.CVSSCM.compareRemoteRevisionWith(CVSSCM.java:196)
at hudson.scm.SCM.poll(SCM.java:397)
at
hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1462)
at hudson.model.AbstractProject._poll(AbstractProject.java:1433)
at hudson.model.AbstractProject.poll(AbstractProject.java:1344)
at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:515)
at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:544)
at
hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:118)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
I'm not sure if that is a backward compatibility issue, or just another
manifestation of the same issue.
The only other piece of information I have is that I attempted to test the
"Unix user/group database" method of access control, and using the sshd as
the service, I get the following message:
Either Jenkins needs to run as root or User ‘zzzzz’ needs to belong to
group root and ‘chmod g+r /etc/shadow’ needs to be done to enable Jenkins
to read /etc/shadow
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