Git Polling fails

ok999

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Sep 13, 2016, 12:39:09 PM9/13/16

to Jenkins Users

I have a very simple job that polls the Git SCM, and if any changes if kicks of a downstream job. For the last 1 week, the Git polling fails with the below error.

Git Polling Log

Started on Sep 12, 2016 9:44:04 AM

Polling SCM changes on Agent1

Using strategy: Default

[poll] Last Built Revision: Revision b95fc53f42ff764c390e22d1dfcc132f20 (refs/remotes/my_repo/develop)

> git rev-parse --is-inside-work-tree # timeout=10

Fetching changes from the remote Git repositories

> git config remote.my_repo.url https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo # timeout=10

Cleaning workspace

> git rev-parse --verify HEAD # timeout=10

Resetting working tree

> git reset --hard # timeout=10

> git clean -fdx # timeout=10

Fetching upstream changes from https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo

> git --version # timeout=10

using .gitcredentials to set credentials

> git config --local credential.username JenkinsUser # timeout=10

> git config --local credential.helper store --file=\"C:\Users\JenkinsUser~1\AppData\Local\Temp\git4353270016803178193.credentials\" # timeout=10

> git -c core.askpass=true fetch --no-tags --progress https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo +refs/heads/*:refs/remotes/my_repo/*

> git config --local --remove-section credential # timeout=10

FATAL: hudson.plugins.git.GitException: Failed to fetch from https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo

hudson.util.IOException2: hudson.plugins.git.GitException: Failed to fetch from https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo

at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:529)

at hudson.scm.SCM.compareRemoteRevisionWith(SCM.java:381)

at hudson.scm.SCM.poll(SCM.java:398)

at hudson.model.AbstractProject.pollWithWorkspace(AbstractProject.java:1475)

at hudson.model.AbstractProject._poll(AbstractProject.java:1445)

at hudson.model.AbstractProject.poll(AbstractProject.java:1356)

at hudson.triggers.SCMTrigger$Runner.runPolling(SCMTrigger.java:526)

at hudson.triggers.SCMTrigger$Runner.run(SCMTrigger.java:555)

at hudson.util.SequentialExecutionQueue$QueueEntry.run(SequentialExecutionQueue.java:119)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

Caused by: hudson.plugins.git.GitException: Failed to fetch from https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo

at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:766)

at hudson.plugins.git.GitSCM.compareRemoteRevisionWithImpl(GitSCM.java:657)

at hudson.plugins.git.GitSCM.compareRemoteRevisionWith(GitSCM.java:527)

... 13 more

Caused by: hudson.plugins.git.GitException: Command "git -c core.askpass=true fetch --no-tags --progress https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo +refs/heads/*:refs/remotes/my_repo/*" returned status code 1:

stdout:

stderr: remote: Microsoft (R) Visual Studio (R) Team Foundation Server[K

remote:

remote: Found 49 objects to send. (36 ms)[K

error: Could not read 6f4eb3c55fd98c719baf898a9352a1100fa32765

fatal: revision walk setup failed

error: https://tfs.org.com/tfs/DefaultCollection/Some-Org/_git/my_repo did not send all necessary objects

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1710)

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1454)

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:63)

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:314)

at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:152)

at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:145)

at hudson.remoting.UserRequest.perform(UserRequest.java:120)

at hudson.remoting.UserRequest.perform(UserRequest.java:48)

at hudson.remoting.Request$2.run(Request.java:326)

at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)

at java.util.concurrent.FutureTask.run(FutureTask.java:262)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:744)

at ......remote call to Agent1(Native Method)

at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1416)

at hudson.remoting.UserResponse.retrieve(UserRequest.java:220)

at hudson.remoting.Channel.call(Channel.java:781)

at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:145)

at sun.reflect.GeneratedMethodAccessor670.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:483)

at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:131)

at com.sun.proxy.$Proxy104.execute(Unknown Source)

at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:764)

... 15 more

Done. Took 50 sec

No changes

Manual test with the git clone/fetch works. And when this polling issue starts, i can kick off the build, that does a clone of the repo and it works. Moreover, the git polling starts to works after i manually kick start the job, but the issue re-appears after some time again.

Mark Waite

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Sep 13, 2016, 2:20:12 PM9/13/16

to Jenkins Users

Are you sure that you executed the same commands when trying to duplicate the problem? The message seems to be from your server and seems to say that a specific sha1 cannot be found in the remote repository.

Is there any server maintenance on your TFS server at the time you see the issue?

Mark Waite

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Mark Waite

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Sep 16, 2016, 9:48:35 AM9/16/16

to Jenkins Users

Since that message comes from the server side, I think you may need to talk with the people providing your git server.

You might create a job or two which retain their full history and only perform polling and cloning with no build step.

Another step might be to create a separate script running outside Jenkins which frequently polls and alerts you to any messages. That would provide more evidence the problem is on the server

Mark Waite

On Fri, Sep 16, 2016, 6:32 AM ok999 <nirish...@gmail.com> wrote:

Yes, i am sure that i used the same command for duplicating. I can see the commit just fine via: git show #{SHA}
Moreover, the job executes successfully when started manually. And it involves cloning the repo.

To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/bbaa5ebe-93a6-41b4-b273-9223121bc722%40googlegroups.com.

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