Return-Path: X-Original-To: apmail-flink-issues-archive@minotaur.apache.org Delivered-To: apmail-flink-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 131031844A for ; Fri, 18 Sep 2015 16:13:05 +0000 (UTC) Received: (qmail 64219 invoked by uid 500); 18 Sep 2015 16:13:04 -0000 Delivered-To: apmail-flink-issues-archive@flink.apache.org Received: (qmail 64175 invoked by uid 500); 18 Sep 2015 16:13:04 -0000 Mailing-List: contact issues-help@flink.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@flink.apache.org Delivered-To: mailing list issues@flink.apache.org Received: (qmail 64165 invoked by uid 99); 18 Sep 2015 16:13:04 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 18 Sep 2015 16:13:04 +0000 Date: Fri, 18 Sep 2015 16:13:04 +0000 (UTC) From: "Aljoscha Krettek (JIRA)" To: issues@flink.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Assigned] (FLINK-2697) Deadlock in StreamDiscretizer MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/FLINK-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aljoscha Krettek reassigned FLINK-2697: --------------------------------------- Assignee: Aljoscha Krettek > Deadlock in StreamDiscretizer > ----------------------------- > > Key: FLINK-2697 > URL: https://issues.apache.org/jira/browse/FLINK-2697 > Project: Flink > Issue Type: Bug > Components: Streaming > Reporter: Till Rohrmann > Assignee: Aljoscha Krettek > > Encountered a deadlock in the {{StreamDiscretizer}} > {code} > Found one Java-level deadlock: > ============================= > "Thread-11": > waiting to lock monitor 0x00007f9d081e1ab8 (object 0x00000000ff6b4590, a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer), > which is held by "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter, ExtractParts) (3/4)" > "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter, ExtractParts) (3/4)": > waiting to lock monitor 0x00007f9d081e20e8 (object 0x00000000ff75fd88, a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy), > which is held by "Thread-11" > Java stack information for the threads listed above: > =================================================== > "Thread-11": > at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.triggerOnFakeElement(StreamDiscretizer.java:121) > - waiting to lock <0x00000000ff6b4590> (a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer) > at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer$WindowingCallback.sendFakeElement(StreamDiscretizer.java:203) > at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy.activeFakeElementEmission(TimeTriggerPolicy.java:117) > - locked <0x00000000ff75fd88> (a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy) > at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy$TimeCheck.run(TimeTriggerPolicy.java:144) > at java.lang.Thread.run(Thread.java:745) > "StreamDiscretizer -> TumblingGroupedPreReducer -> (Filter, ExtractParts) (3/4)": > at org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy.preNotifyTrigger(TimeTriggerPolicy.java:74) > - waiting to lock <0x00000000ff75fd88> (a org.apache.flink.streaming.api.windowing.policy.TimeTriggerPolicy) > at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.processRealElement(StreamDiscretizer.java:91) > - locked <0x00000000ff6b4590> (a org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer) > at org.apache.flink.streaming.api.operators.windowing.StreamDiscretizer.processElement(StreamDiscretizer.java:73) > at org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:162) > at org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:56) > at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:171) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:581) > at java.lang.Thread.run(Thread.java:745) > Found 1 deadlock. > {code} > https://s3.amazonaws.com/archive.travis-ci.org/jobs/80770719/log.txt -- This message was sent by Atlassian JIRA (v6.3.4#6332)