@Ulli: Thanks for the quick reply. Violations is already installed (Version 0.7.7). The violations plug in had been installed before the Warnings plug in. We recently upgraded from Hudson V1.395, the Violations plug in was installed before the upgrade, the warnings plug in was installed after the upgrade.

Sorry for interrupting this topic with another issue. Should I open a new ticket?

@Eric: Yes please either try to upgrade the violations plug-in or remove it if not necessary. Maybe your version conflicts with the version my plug-in requires (the dependency is optional: the warnings plug-in reuses the parsers of the violations plug-in if installed). If that does not help, please file a new bug report...

@yufei Q: I can't reproduce your problem. Are both machines Windows XP? Which Java version are you using? Please paste the console output that shows up when you start Jenkins until you hit the add button...

Following is console ouput from I start Jenkins to I click add button. No ouput for hitting button...
E:\YufeiPrivate\new\TEST>java -jar jenkins.war --httpPort=3000 --ajp13Port=8010
Running from: E:\YufeiPrivate\new\TEST\jenkins.war
webroot: EnvVars.masterEnvVars.get("JENKINS_HOME")
Mar 20, 2013 5:09:41 PM winstone.Logger logInternal
INFO: Beginning extraction from war file
Jenkins home directory: E:\YufeiPrivate\new\TEST found at: EnvVars.masterEnvVars
.get("JENKINS_HOME")
Mar 20, 2013 5:09:45 PM winstone.Logger logInternal
INFO: HTTP Listener started: port=3000
Mar 20, 2013 5:09:45 PM winstone.Logger logInternal
INFO: AJP13 Listener started: port=8010
Mar 20, 2013 5:09:45 PM winstone.Logger logInternal
INFO: Winstone Servlet Engine v0.9.10 running: controlPort=disabled
Mar 20, 2013 5:09:48 PM jenkins.InitReactorRunner$1 onAttained
INFO: Started initialization
Mar 20, 2013 5:09:48 PM jenkins.InitReactorRunner$1 onAttained
INFO: Listed all plugins
Mar 20, 2013 5:09:49 PM jenkins.InitReactorRunner$1 onAttained
INFO: Prepared all plugins
Mar 20, 2013 5:09:49 PM jenkins.InitReactorRunner$1 onAttained
INFO: Started all plugins
Mar 20, 2013 5:09:49 PM jenkins.InitReactorRunner$1 onAttained
INFO: Augmented all extensions
Mar 20, 2013 5:09:59 PM jenkins.InitReactorRunner$1 onAttained
INFO: Loaded all jobs
Mar 20, 2013 5:10:02 PM org.apache.sshd.common.util.SecurityUtils$BouncyCastleRe
gistration run
INFO: Trying to register BouncyCastle as a JCE provider
Mar 20, 2013 5:10:03 PM org.apache.sshd.common.util.SecurityUtils$BouncyCastleRe
gistration run
INFO: Registration succeeded
Mar 20, 2013 5:10:03 PM org.jenkinsci.main.modules.sshd.SSHD start
INFO: Started SSHD at port 60042
Mar 20, 2013 5:10:03 PM jenkins.InitReactorRunner$1 onAttained
INFO: Completed initialization
Mar 20, 2013 5:10:03 PM hudson.TcpSlaveAgentListener <init>
INFO: JNLP slave agent listener started on TCP port 60043
Mar 20, 2013 5:10:03 PM hudson.WebAppMain$2 run
INFO: Jenkins is fully up and running

This warning appear in my another jenkins. Do you think it is related?
17:21:38,420 ERROR [STDERR] Mar 20, 2013 5:21:38 PM hudson.maven.settings.Config
ProviderDelegate <init>
WARNING: 'config-file-provider' plugin installed..., administration of setting.x
ml will not be available!

Are both machines Windows XP?
YF: no. One is Win7 and another is XP

Which Java version are you using?
YF: Both machines use 1.7

@Ulli: Thanks - updating the violations plug in has resolved my issue.

@Ulli Hafner
Hi, I still cann't get console log parser, but I modified job's config.xml and add WarningsPublisher, then restart Jenkins, now I can add log parser for this job now.. Do you think plugin can work?
Another question, do we have any out put for the result, like some xml file? Thanks.

I can get files such as "JavaCompilerjavac-warnings.xml" under builds folder, but I cann't find such file under project folder.

Is this still a problem, I can't reproduce this bug.