Mar 12, 2015 5:25:26 PM hudson.triggers.SafeTimerTask run
SEVERE: Timer task hudson.model.Queue$MaintainTask@77a17751 failed
java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0
.BW2S.*QRT.
^
at java.util.regex.Pattern.error(Pattern.java:1924)
at java.util.regex.Pattern.sequence(Pattern.java:2090)
at java.util.regex.Pattern.expr(Pattern.java:1964)
at java.util.regex.Pattern.compile(Pattern.java:1665)
at java.util.regex.Pattern.<init>(Pattern.java:1337)
at java.util.regex.Pattern.compile(Pattern.java:1022)
at java.util.regex.Pattern.matches(Pattern.java:1128)
at java.lang.String.matches(String.java:2063)
at hudson.plugins.buildblocker.BlockingJobsMonitor.getBlockingJob(BlockingJobsMonitor.java:92)
at hudson.plugins.buildblocker.BuildBlockerQueueTaskDispatcher.canRun(BuildBlockerQueueTaskDispatcher.java:79)
at hudson.model.Queue.isBuildBlocked(Queue.java:946)
at hudson.model.Queue.maintain(Queue.java:1032)
at hudson.model.Queue$MaintainTask.doRun(Queue.java:2009)
at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:54)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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:745)

./jobs/mobile.qrt.release.automation.reporting/2015-03-12_17-30-46/config.xml: <blockingJobs>.BW2S.*QRT.</blockingJobs>

Then it doesn't trigger any builds, build queue grows but doesn't assign further jobs. even those jobs which are not part of that configuration at all.