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Bug
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Resolution: Fixed
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Critical
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None
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Ubuntu 10.04, Jenkins 1.500, Jenkins URLTrigger Plug-in 0.27.
The URLTrigger gives severe error instead of detecting change. From trigger log:
[URLTrigger] - Poll with a URL
Inspecting Monitor a change of the content content for URL http://build.netinsight.se/autobuild/dev/acf/continuous/release/
Polling started on 2013-feb-12 12:12:12
Polling for the job dev-acf
Looking nodes where the poll can be run.
Looking for a candidate node to run the poll.
Looking for a node with no predefined label.
Trying to poll with the last built on node.
Polling on master.
[ERROR] - SEVERE - Polling error null
I think this problem started after restart (and possibly upgrade of Jenkins and URLTrigger plugin). Updating the configuration doesn't help, but if manually run once, it seems to start working again.
Attached is the config.
[JENKINS-16774] URLTrigger gives severe error message instead of detecting change
Code changed in jenkins
User: Gregory Boissinot
Path:
src/main/java/org/jenkinsci/lib/envinject/service/EnvInjectActionRetriever.java
http://jenkins-ci.org/commit/envinject-lib/5675c2ae27644e85eabd14237603a995c90d5a99
Log:
Fix JENKINS-16774
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| Component/s | New: envinject [ 15893 ] | |
| Component/s | Original: urltrigger [ 15891 ] |
Gregory Boissinot
added a comment - Bug relies on urltrigger with its dependency to envinject-lib library (not envinject plugin)
Gregory Boissinot
added a comment - Bug relies on urltrigger with its dependency to envinject-lib library (not envinject plugin) Gregory Boissinot
made changes -
| Component/s | New: urltrigger [ 15891 ] | |
| Component/s | Original: envinject [ 15893 ] |
Gregory Boissinot
made changes -
| Resolution | New: Fixed [ 1 ] | |
| Status | Original: Open [ 1 ] | New: Resolved [ 5 ] |
Thanks Gregory for fixing this problem so quickly 
I've installed URLTrigger 1.83 and now there are no errors.
Marcel Huber
added a comment - Thank you too. What I meant was I installed Environment Injector 1.83 and then the errors were gone. I now installed URLTrigger 0.28 and it's still ok.
The same error applies when using jenkins 1.501 and URLTrigger plugin 0.27
I just looked through the logs and detected these lines:
Feb 12 12:54:32 ... jenkins[438]: Feb 12, 2013 12:54:32 PM org.jenkinsci.plugins.urltrigger.URLTrigger start
Feb 12 12:54:32 ... jenkins[438]: SEVERE: Severe error on trigger startup null
Feb 12 12:54:32 ... jenkins[438]: java.lang.NullPointerException
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.lib.envinject.service.EnvInjectActionRetriever.getEnvInjectAction(EnvInjectActionRetriever.java:32)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.lib.envinject.service.EnvVarsResolver.getEnVars(EnvVarsResolver.java:52)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.lib.envinject.service.EnvVarsResolver.getPollingEnvVars(EnvVarsResolver.java:34)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.plugins.urltrigger.URLTrigger.getURLValue(URLTrigger.java:108)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.plugins.urltrigger.URLTrigger.start(URLTrigger.java:260)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.lib.xtrigger.AbstractTrigger.start(AbstractTrigger.java:97)
Feb 12 12:54:32 ... jenkins[438]: at org.jenkinsci.lib.xtrigger.AbstractTrigger.start(AbstractTrigger.java:26)
Feb 12 12:54:32 ... jenkins[438]: at hudson.model.AbstractProject.submit(AbstractProject.java:1884)
Feb 12 12:54:32 ... jenkins[438]: at hudson.model.Project.submit(Project.java:195)
Feb 12 12:54:32 ... jenkins[438]: at hudson.model.Job.doConfigSubmit(Job.java:1045)
Feb 12 12:54:32 ... jenkins[438]: at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:729)
So it might be related to the EnvInject plugin