Return-Path: X-Original-To: apmail-cassandra-commits-archive@www.apache.org Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id BBBA6181FA for ; Fri, 9 Oct 2015 18:03:08 +0000 (UTC) Received: (qmail 43795 invoked by uid 500); 9 Oct 2015 18:03:05 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 43757 invoked by uid 500); 9 Oct 2015 18:03:05 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 43742 invoked by uid 99); 9 Oct 2015 18:03:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 Oct 2015 18:03:05 +0000 Date: Fri, 9 Oct 2015 18:03:05 +0000 (UTC) From: "sankalp kohli (JIRA)" To: commits@cassandra.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CASSANDRA-10499) ConcurrentModificationException in Background read repair 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/CASSANDRA-10499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14950881#comment-14950881 ] sankalp kohli commented on CASSANDRA-10499: ------------------------------------------- cc [~brandon.williams] > ConcurrentModificationException in Background read repair > ---------------------------------------------------------- > > Key: CASSANDRA-10499 > URL: https://issues.apache.org/jira/browse/CASSANDRA-10499 > Project: Cassandra > Issue Type: Bug > Reporter: sankalp kohli > Priority: Minor > > We are seeing the below exception in 2.0.14. While looking at the code, it looks like it is happening due to ColumnFamily object being modified in SQF. trim method. > Exception in thread Thread[ReadRepairStage:4441,5,main] > java.util.ConcurrentModificationException > at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:859) > at java.util.ArrayList$Itr.next(ArrayList.java:831) > at org.apache.cassandra.db.ColumnFamily.updateDigest(ColumnFamily.java:394) > at org.apache.cassandra.db.ColumnFamily.digest(ColumnFamily.java:388) > at org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:84) > at org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:28) > at org.apache.cassandra.service.ReadCallback$AsyncRepairRunner.run(ReadCallback.java:173) > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) -- This message was sent by Atlassian JIRA (v6.3.4#6332)