Thanks for looking into this Frank! I opened FLINK-4636 [1] to track the issue.
Would you or Jaxbihani like to contribute a patch for this bug? [1] https://issues.apache.org/jira/browse/FLINK-4636 2016-09-17 21:15 GMT+02:00 Frank Dekervel <ker...@gmail.com>: > Hello, > > looks like a bug ... when a PriorityQueue is made with initialCapacity > zero (see PriorityQueue.java) an illegal argument exception is thrown > > http://stackoverflow.com/questions/3609342/why- > priorityqueue-in-java-cannot-have-initialcapacity-0 > > The fix would be trivial: > > https://github.com/apache/flink/blob/master/flink- > libraries/flink-cep/src/main/java/org/apache/flink/cep/operator/ > AbstractCEPPatternOperator.java#L129: > > when numberPriorityQueueEntries equals zero, create the PriorityQueue > with capacity 1 instead of 0. > > greetings, > Frank > > > > On Sat, Sep 17, 2016 at 2:56 PM, jaxbihani <jagad...@helpshift.com> wrote: > >> Updated attachment containing exceptions stacktrace >> <http://apache-flink-user-mailing-list-archive.2336050.n4. >> nabble.com/file/n9048/stacktrace.stacktrace> >> >> >> >> -- >> View this message in context: http://apache-flink-user-maili >> ng-list-archive.2336050.n4.nabble.com/Problem-with-CEPPat >> ternOperator-when-taskmanager-is-killed-tp9024p9048.html >> Sent from the Apache Flink User Mailing List archive. mailing list >> archive at Nabble.com. >> > >
