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Bug
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Resolution: Fixed
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Major
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None
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Linux, CVS
I am getting this when i tried to set up the builds to run whenever a change occured in the cvs. In the configuration of the job i have mentioned the CVS root and specified the modules of the cvs where the code resides. Apparently this is something to do with the workspace.
Even though the poll scm schedule was set to scan cvs every 20 mins for any changes to the source code, it triggers a build every 20 mins even when there are no changes.
In the advanced options legacy and update options are checked.
Can anyone please suggest what can be done?
Started on 31-May-2011 3:08:34 AM
Workspace is inconsistent with configuration. Scheduling a new build: No CVS dir in /data/users/smpbuild/hudson/workspace/SIS_TRUNK_BUILD/sis
Done. Took 0.26 sec
Changes found
[JENKINS-9809] Polling triggering build even without changes
Vivek, I found another problem, and that seems to have been the real cause (for real this time!)
We had some directories in the CVS repository called XXX that only had an Attic (deleted files). There was a similar directory called Xxx (note the case difference) with the real files. Windows uses a case-insensitive files system, and that seems to have messed up CVS/Jenkins. The polling log showed that the files in XXX were no longer in CVS.
To fix the problem, I just went into the CVS repository and deleted the old XXX directory. PLEASE USE CAUTION when working directly on the repository! Unless you know exactly what you're doing, you can mess things up pretty seriously.
What happened to cause this mess?
A developer checked in XXX and the files in it, then decided he didn't like the name and moved the files to Xxx. In CVS, the directories still remain and there is no "rename" or "move", only add and delete. So we ended up with XXX (now empty) and Xxx with the correct files. Because Windows sees XXX and Xxx as the same thing, CVS checkout gets very confused.
That also explains why we never see this issue on RHEL or Mac OS X – both of those systems use a case-sensitive file system. (And before someone flames me, yes, I set up the Mac to use case-sensitive, and yes, I know it's case-INsensitive out the box.)
Good luck!
--johnt
John Tangney
added a comment - - edited Vivek, I found another problem, and that seems to have been the real cause (for real this time!)
We had some directories in the CVS repository called XXX that only had an Attic (deleted files). There was a similar directory called Xxx (note the case difference) with the real files. Windows uses a case-insensitive files system, and that seems to have messed up CVS/Jenkins. The polling log showed that the files in XXX were no longer in CVS.
To fix the problem, I just went into the CVS repository and deleted the old XXX directory. PLEASE USE CAUTION when working directly on the repository! Unless you know exactly what you're doing, you can mess things up pretty seriously.
What happened to cause this mess?
A developer checked in XXX and the files in it, then decided he didn't like the name and moved the files to Xxx. In CVS, the directories still remain and there is no "rename" or "move", only add and delete. So we ended up with XXX (now empty) and Xxx with the correct files. Because Windows sees XXX and Xxx as the same thing, CVS checkout gets very confused.
That also explains why we never see this issue on RHEL or Mac OS X – both of those systems use a case-sensitive file system. (And before someone flames me, yes, I set up the Mac to use case-sensitive, and yes, I know it's case-INsensitive out the box.)
Good luck!
--johnt
Vivek Arora
added a comment - the thing is all my stuff is on Linux. So case sensitivity is maintained. CVS and Jenkins are both installed on a Linux box..
Thanks for helping me out John
Vivek
Vivek Arora
added a comment - the thing is all my stuff is on Linux. So case sensitivity is maintained. CVS and Jenkins are both installed on a Linux box..
Thanks for helping me out John
Vivek 
fraguid
added a comment - All,
I have the same problem (since a long time ago) and I hope to add some details.
I have two identical jobs with some difference in the scm configuration:
- job A points to the HEAD of CVS repository
- job B points to the a specific brench of CVS repository:
Job A works fine, job B builds even without changes.
Both of them have the same CVS configuration and the same modules of the cvs specified.
Both of them have a 20 min polling trigger policy.
The only difference is HEAD/brench specification.
thanks for any ideas..
Francesco
fraguid
added a comment - All,
I have the same problem (since a long time ago) and I hope to add some details.
I have two identical jobs with some difference in the scm configuration:
job A points to the HEAD of CVS repository
job B points to the a specific brench of CVS repository:
Job A works fine, job B builds even without changes.
Both of them have the same CVS configuration and the same modules of the cvs specified.
Both of them have a 20 min polling trigger policy.
The only difference is HEAD/brench specification.
thanks for any ideas..
Francesco 
Sagar Khushalani
added a comment - Using 1.438 and seeing the same issue. This has suddenly started up again. Now sure what is going on. We don't have HEAD/branch differences. Everything is from HEAD and every project is doing this :S
Sagar Khushalani
added a comment - Using 1.438 and seeing the same issue. This has suddenly started up again. Now sure what is going on. We don't have HEAD/branch differences. Everything is from HEAD and every project is doing this :S 
Heleno Valle
added a comment - I'm using 1.440 and seeing almost the same symptoms. The differences:
1) I'm using SVN instead of CVS.
2) Job doesn't start periodicaly, it starts only when there are chances in the source, but it always runs once with no changes before running with changes made. It's as if it knows there are changes but can not see them immediately.
3) My job source code has several modules that correspond to diferent directorys inside SVN repository
Heleno Valle
added a comment - I'm using 1.440 and seeing almost the same symptoms. The differences:
1) I'm using SVN instead of CVS.
2) Job doesn't start periodicaly, it starts only when there are chances in the source, but it always runs once with no changes before running with changes made. It's as if it knows there are changes but can not see them immediately.
3) My job source code has several modules that correspond to diferent directorys inside SVN repository 
kutzi
added a comment - Heleno, your problem is a different one. On a quick view, I'd say that the clocks of your svn server and your Jenkins server are out of sync.
One way to fix this (and definitely a godd idea in any case) is to sync the clocks.
Another one is to append @HEAD to your subversion URLs.
kutzi
added a comment - Heleno, your problem is a different one. On a quick view, I'd say that the clocks of your svn server and your Jenkins server are out of sync.
One way to fix this (and definitely a godd idea in any case) is to sync the clocks.
Another one is to append @HEAD to your subversion URLs. Heleno Valle
added a comment - Kutzi, you are right! It was the problem here. Since I have no control over the server's time sync, I used the @HEAD solution and it worked out just fine. Thanks very much.
Heleno Valle
added a comment - Kutzi, you are right! It was the problem here. Since I have no control over the server's time sync, I used the @HEAD solution and it worked out just fine. Thanks very much. Code changed in jenkins
User: mc1arke
Path:
pom.xml
src/main/java/hudson/org/apache/tools/ant/taskdefs/AbstractCvsTask.java
src/main/java/hudson/org/apache/tools/ant/taskdefs/cvslib/CVSEntry.java
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src/test/java/hudson/scm/CVSSCMTest.java
src/test/java/hudson/scm/CvsChangeLogHelperTest.java
http://jenkins-ci.org/commit/cvs-plugin/1c6ddef1e5c1c3fe9f1a236fe4cc3aa336b8ca21
Log:
Merge pull request #5 from mc1arke/master
Overhaul of the cvs plugin
Changes:
- Allowing checking out modules from different branch/tags in a single repository (
JENKINS-768,JENKINS-6812) - Allowing multiple repositories in a single job i.e. multiple CVS roots (
JENKINS-2638) - Using a Java CVS Library rather than depend on a system library (
JENKINS-49,JENKINS-3848,JENKINS-3756,JENKINS-1676) - Use 'rlog' for polling and change-log generation and 'rtag' for tagging (
JENKINS-6312,JENKINS-10981,JENKINS-11787,JENKINS-1847,JENKINS-1359,JENKINS-76,JENKINS-9809,JENKINS-2710,JENKINS-5744,JENKINS-4604) - Restrict CVS to only check-out configured modules and not other CVS items in the workspace (
JENKINS-7449,JENKINS-2345,JENKINS-4489,JENKINS-1638,JENKINS-528) - Add check-box to allow disabling change-log generation per project (
JENKINS-3979) - Leave CVS/Entries contents in their original encoding (
JENKINS-4241,JENKINS-2614) - Making CVS Prune (-p parameter) optional through job configuration (
JENKINS-1013) - Improving warnings and validation (
JENKINS-9670,JENKINS-9045,JENKINS-7407,JENKINS-3133) - Fixing cyclic dependency with subversion plugin in POM (
JENKINS-10370) - Fixing 'after-the-fact' tagging of builds (
JENKINS-8128) - Improved date format on CVS commands (
JENKINS-6119,JENKINS-7833) - Allowing macro/parameter expansion on input fields (
JENKINS-2318,JENKINS-3821) - Fixing missing CVS change log entries when 'use head if not found' is used (
JENKINS-12104)
Potentially also fixes:
JENKINS-1737: Alternative Quiet Period Implementation (untested - updated polling should fix this)
JENKINS-10843: CVS Update (defect is unclear)
JENKINS-427: Cannot check out alias modules from CVS (untested - using rlog should fix this)
It's probably worth updating the version number in the POM to 2.0 given the number/scale of these changes, although this hasn't been included as part of this request.
Compare: https://github.com/jenkinsci/cvs-plugin/compare/7b57474...1c6ddef
cvs now uses remote commands (rlog and rtag) for work so isn't affected by the workspace state which resolves this issue
well.. all my job names are already without space. I have used underscores , no spaces.