Hello Mark,

When I check the server logs it says the below

Jan 30, 2015 7:05:24 PM hudson.remoting.ExportTable unexportByOid
SEVERE: Trying to unexport an object that's already unexported
java.lang.IllegalStateException: Invalid object ID 102 iota=12324
    at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:348)
    at hudson.remoting.ExportTable.unexportByOid(ExportTable.java:371)
    at hudson.remoting.Channel.unexport(Channel.java:612)
    at hudson.remoting.UnexportCommand.execute(UnexportCommand.java:38)
    at hudson.remoting.Channel$2.handle(Channel.java:483)
    at 
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:60)
Caused by: java.lang.Exception: Object appears to be deallocated at lease 
before Fri Jan 30 16:15:36 CET 2015
    at hudson.remoting.ExportTable.diagnoseInvalidId(ExportTable.java:344)
    ... 5 more

Jan 30, 2015 7:05:24 PM hudson.remoting.ExportTable unexportByOid
SEVERE: 2nd unexport attempt is here
Command hudson.remoting.UnexportCommand@1fe8ba9 created at
    at hudson.remoting.Command.<init>(Command.java:67)
    at hudson.remoting.Command.<init>(Command.java:50)
    at hudson.remoting.UnexportCommand.<init>(UnexportCommand.java:33)
    at 
hudson.remoting.RemoteInvocationHandler.finalize(RemoteInvocationHandler.java:221)
    at java.lang.System$2.invokeFinalize(Unknown Source)
    at java.lang.ref.Finalizer.runFinalizer(Unknown Source)
    at java.lang.ref.Finalizer.access$100(Unknown Source)
    at java.lang.ref.Finalizer$FinalizerThread.run(Unknown Source)

Not getting a clue. :(

On Tuesday, February 3, 2015 at 10:28:33 AM UTC+5:30, Mark Waite wrote:
>
> I doubt very much that "-c core.askpass=true" would cause intermittent 
> fetch failures.
>
> You might consider reading the log files of your git repository server, in 
> case there is some hint in those logs which will tell you why it fails.
>
> Mark Waite
>
>
> On Mon, Feb 2, 2015 at 7:55 PM, Arunkumar Perumal <[email protected] 
> <javascript:>> wrote:
>
>> Ivo,
>>
>> Sorry, pls find below the details. I have job which will fetch the data 
>> from the remote repository & I've setup the proxy details.
>>
>> The same job is getting success for a couple of times but after that it 
>> started failing. I'm using git client plugin 1.14.0, git plugin 2.3.2. 
>> Couldn't understand how this is getting success some time & all other time 
>> failing :(. 
>>
>> So I thought of removing the -c core.askpass=true option may help.
>>
>> success case:
>>
>> using .gitcredentials to set credentials
>>  > /usr/local/git_1.8.4.4/bin/git config --local credential.helper store 
>> --file=/tmp/git949589945555918016.credentials # timeout=10
>> Setting http proxy: server:8080
>>  > /usr/local/git_1.8.4.4/bin/git -c core.askpass=true fetch --tags 
>> --progress https://server/git/repo +refs/heads/*:refs/remotes/origin/*
>>  > /usr/local/git_1.8.4.4/bin/git config --local --remove-section 
>> credential # timeout=10
>>  > /usr/local/git_1.8.4.4/bin/git rev-parse 
>> refs/remotes/origin/master^{commit} # timeout=10
>>  > /usr/local/git_1.8.4.4/bin/git rev-parse 
>> refs/remotes/origin/origin/master^{commit} # timeout=10
>> Checking out Revision 8e4b0169a13bbc56d3dad066ee44eae184ec0162 
>> (refs/remotes/origin/master)
>>  > /usr/local/git_1.8.4.4/bin/git config core.sparsecheckout # timeout=10
>>  > /usr/local/git_1.8.4.4/bin/git checkout -f 
>> 8e4b0169a13bbc56d3dad066ee44eae184ec0162
>>  > /usr/local/git_1.8.4.4/bin/git rev-list 
>> 901c14ef7620cd409cb1712a30803742a8d49357 # timeout=10
>>
>> failure case:
>>
>> using .gitcredentials to set credentials
>>  > /usr/local/git_1.8.4.4/bin/git config --local credential.helper store 
>> --file=/tmp/git7741299244057538477.credentials # timeout=10
>>
>> Setting http proxy: server:8080
>>  > /usr/local/git_1.8.4.4/bin/git -c core.askpass=true fetch --tags 
>> --progress https://server/git/repo +refs/heads/*:refs/remotes/origin/*
>>  > /usr/local/git_1.8.4.4/bin/git config --local --remove-section 
>> credential # timeout=10
>> ERROR: Error fetching remote repo 'origin'
>> ERROR: Error fetching remote repo 'origin'
>>
>>
>>
>>
>>
>>
>>
>> On Tuesday, February 3, 2015 at 12:20:52 AM UTC+5:30, Ivo Bellin Salarin 
>> wrote:
>>>
>>> I will try to justify a little more the existence of the -c 
>>> core.askpass=true option.
>>> This is essentially a  "a la volée" modification of the .gitconfig 
>>> content. 
>>>
>>> This option says to git to use /bin/true (which always returns 1) as 
>>> identity manager in the case where the remote server asks an explicit 
>>> authentication. Or, in the case the provided identification isn't 
>>> sufficient for the remote server needs.
>>>
>>> (Even more detailed and precise documentation can be found on 
>>> http://git-scm.com/docs/git-config)
>>>
>>> In versions before the 1.14, the git client plugin was using an explicit 
>>> http connection to test the provided credentials.
>>>
>>> Such approach was limited, when compared to the libraries used by git 
>>> itself. These libraries are able to use several authentication schemas, 
>>> which weren't supported by the git-client plugin.
>>>
>>> I hope that these details satisfy your needs. I hope to get more details 
>>> about the misbehaviors that this option is causing to you.
>>>
>>> Thanks in advance,
>>> Ivo
>>>
>>> Il giorno lun 2 feb 2015 19:13 Ivo Bellin Salarin <[email protected]> 
>>> ha scritto:
>>>
>>>> Dear user of the git plugin, 
>>>>
>>>> Is this option causing some misbehavior in your environment?
>>>> Could you please describe it?
>>>>
>>>> Or, yours is rather a conservative attitude towards changes which could 
>>>> deteriorate your build environment?
>>>>
>>>> Il giorno lun 2 feb 2015 17:57 Arunkumar Perumal <[email protected]> 
>>>> ha scritto:
>>>>
>>>> Hello Mark,
>>>>>
>>>>> When I use Git Client Plugin 1.13.0, I'm not getting -c 
>>>>> core.askpass=true.
>>>>>
>>>>> But when I use, 1.14.0, its using that option but you have released 
>>>>> the change in 1.14.1. Could you please let me know how I can skip this 
>>>>> particular step in Git Client Plugin 1.14.0
>>>>>
>>>>> 1.14.1 (Dec 27, 2014) 
>>>>>    
>>>>>    - Only use "-c core.askpass=true" if command line git is newer 
>>>>>    than 1.7.9 (don't break really old git versions unnecessarily)
>>>>>
>>>>> 1.14.0 (Dec 25, 2014) 
>>>>>    
>>>>>    - Update from JGit 3.5.3 to JGit 3.6.0
>>>>>    -   Use command line credentials check when using command line git 
>>>>>    (issue #22675 <http://issues.jenkins-ci.org/browse/JENKINS-22675>, 
>>>>> issue 
>>>>>    #22909 <http://issues.jenkins-ci.org/browse/JENKINS-22909>, issue 
>>>>>    #23050 <http://issues.jenkins-ci.org/browse/JENKINS-23050>, issue 
>>>>>    #20533 <http://issues.jenkins-ci.org/browse/JENKINS-20533>)
>>>>>
>>>>>
>>>>>
>>>>> On Wednesday, January 28, 2015 at 10:01:24 AM UTC+5:30, Mark Waite 
>>>>> wrote:
>>>>>
>>>>>> The "-c core.askpass=true" is used to prevent the git command line 
>>>>>> call from prompting for a password from stdin.  It was added in a recent 
>>>>>> git-client-plugin and was a key change to enable resolution of several 
>>>>>> other bugs.  I doubt very much that argument is causing an 
>>>>>> authentication 
>>>>>> problem.
>>>>>>
>>>>> On Tue, Jan 27, 2015 at 9:15 AM, Rob Mandeville <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>>  I am using:
>>>>>>>
>>>>>>> ·         Jenkins 1.580.2
>>>>>>>
>>>>>>> ·         GIT client plugin 1.15.0
>>>>>>>
>>>>>>> ·         GIT plugin 2.3.4
>>>>>>>
>>>>>>> ·         Workflow plugins 1.1
>>>>>>>
>>>>>>> ·         Credentials plugin 1.22
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> We use GitLab for source control and do not allow anonymous access 
>>>>>>> of any kind.  We use the Credentials plugin, have put in credentials 
>>>>>>> allowing us access to Git, and on our normal projects, we simply give 
>>>>>>> Git 
>>>>>>> these pre-loaded credentials.  Now, I’m trying to create a Workflow job.
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> I can’t find any doc which says how to feed credentials to Git, so I 
>>>>>>> went to the credentials plugin and pulled the plugin ID from the URL.  
>>>>>>> I 
>>>>>>> then wrote the following Groovy CPS DSL script (without the redactions, 
>>>>>>> obviously):
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> steps.stage('Setup')
>>>>>>>
>>>>>>> node('mock_builder') {
>>>>>>>
>>>>>>>    String templateUrl = 'git@URL_REDACTED'
>>>>>>>
>>>>>>>    steps.git(url: templateUrl, credentialsId: 'ID_REDACTED')
>>>>>>>
>>>>>>>    sh 'echo hello world'
>>>>>>>
>>>>>>> }
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> The job gets stuck in the SCM step and exits with the following 
>>>>>>> output:
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> Running: Setup
>>>>>>>
>>>>>>> Entering stage Setup
>>>>>>>
>>>>>>> Proceeding
>>>>>>>
>>>>>>> Running: Allocate node : Start
>>>>>>>
>>>>>>> Running on mock_builder in 
>>>>>>> C:\Windows\TEMP\hudson1572436821107746068tmp\workspace\Try a Workflow
>>>>>>>
>>>>>>> Running: Allocate node : Body : Start
>>>>>>>
>>>>>>> Running: Git
>>>>>>>
>>>>>>>  > git.exe rev-parse --is-inside-work-tree # timeout=10
>>>>>>>
>>>>>>> Fetching changes from the remote Git repository
>>>>>>>
>>>>>>>  > git.exe config remote.origin.url git@URL_REDACTED # timeout=10
>>>>>>>
>>>>>>> Fetching upstream changes from git@URL_REDACTED
>>>>>>>
>>>>>>>  > git.exe --version # timeout=10
>>>>>>>
>>>>>>>  > git.exe -c core.askpass=true fetch --tags --progress 
>>>>>>> git@URL_REDACTED +refs/heads/*:refs/remotes/origin/*
>>>>>>>
>>>>>>> ERROR: Timeout after 10 minutes
>>>>>>>
>>>>>>> ERROR <http://stacktrace.jenkins-ci.org/search?query=ERROR>: Error 
>>>>>>> fetching remote repo 'origin'
>>>>>>>
>>>>>>> Running <http://stacktrace.jenkins-ci.org/search?query=Running>: 
>>>>>>> Allocate node : Body : End
>>>>>>>
>>>>>>> Running: Allocate node : End
>>>>>>>
>>>>>>> Running: End of Workflow
>>>>>>>
>>>>>>> ERROR: Error fetching remote repo 'origin'
>>>>>>>
>>>>>>> Finished <http://stacktrace.jenkins-ci.org/search?query=Finished>: 
>>>>>>> FAILURE
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> I’m wondering where the “-c core.askpass=true” came from, and 
>>>>>>> figuring that it was waiting to receive a password via standard input.
>>>>>>>
>>>>>>> Is there any way, with or without the credentials plugin, to feed 
>>>>>>> Git credentials to this project?
>>>>>>>
>>>>>>
>>>>>> The "-c core.askpass=true" is used to prevent the git command line 
>>>>>> call from prompting for a password from stdin.  It was added in a recent 
>>>>>> git-client-plugin and was a key change to enable resolution of several 
>>>>>> other bugs.  I doubt very much that argument is causing an 
>>>>>> authentication 
>>>>>> problem.
>>>>>>  
>>>>>>
>>>>>  Thanks in advance,
>>>>>>>
>>>>>>>  
>>>>>>>
>>>>>>> --Rob
>>>>>>>  
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>>>>>>
>>>>>>
>>>>>> -- 
>>>>>> Thanks!
>>>>>> Mark Waite
>>>>>>  
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>
>
> -- 
> Thanks!
> Mark Waite
>  

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