[ https://issues.apache.org/jira/browse/POOL-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12790851#action_12790851 ]
Gary Gregory commented on POOL-153: ----------------------------------- Can you test with the latest 1.5.x release? > Deadlock at GenericObjectPool.addObjectToPool and AbandonedTrace.addTrace > ------------------------------------------------------------------------- > > Key: POOL-153 > URL: https://issues.apache.org/jira/browse/POOL-153 > Project: Commons Pool > Issue Type: Bug > Affects Versions: 1.4 > Environment: 2009-12-14 13:42:42 > Full thread dump OpenJDK Client VM (1.6.0_0-b12 mixed mode): > Reporter: Stephen Evanchik > > Deadlock observed after 72 hours of continuous use. I'm not sure if this is a > DBCP or pool bug. Please feel free to reroute me accordingly. > commons-pool is used via commons-dbcp. DBCP Configuration is as follows: > initialSize=5 > maxActive=75 > maxIdle=15 > minIdle=5 > maxWait=20000 > minEvictableIdleTimeMillis=15 > poolPreparedStatements=false > maxOpenPreparedStatements=0 > numTestsPerEvictionRun=15 > testOnBorrow=false > testOnReturn=false > testWhileIdle=true > timeBetweenEvictionRunsMillis=30000 > validationQuery=SELECT 1 FROM DUAL > Excerpt from a jstack dump: > "Timer-7": > at > org.apache.commons.dbcp.AbandonedTrace.addTrace(AbandonedTrace.java:175) > - waiting to lock <0x70ca1880> (a > org.apache.commons.dbcp.PoolableConnection) > at org.apache.commons.dbcp.AbandonedTrace.init(AbandonedTrace.java:92) > at org.apache.commons.dbcp.AbandonedTrace.<init>(AbandonedTrace.java:82) > at > org.apache.commons.dbcp.DelegatingStatement.<init>(DelegatingStatement.java:61) > at > org.apache.commons.dbcp.DelegatingConnection.createStatement(DelegatingConnection.java:224) > at > org.apache.commons.dbcp.PoolableConnectionFactory.validateConnection(PoolableConnectionFactory.java:331) > at > org.apache.commons.dbcp.PoolableConnectionFactory.validateObject(PoolableConnectionFactory.java:312) > at > org.apache.commons.pool.impl.GenericObjectPool.evict(GenericObjectPool.java:1217) > - locked <0x6e5ee6b0> (a org.apache.commons.pool.impl.GenericObjectPool) > at > org.apache.commons.pool.impl.GenericObjectPool$Evictor.run(GenericObjectPool.java:1341) > at java.util.TimerThread.mainLoop(Timer.java:534) > at java.util.TimerThread.run(Timer.java:484) > "Timer-12": > at > org.apache.commons.pool.impl.GenericObjectPool.addObjectToPool(GenericObjectPool.java:1136) > - waiting to lock <0x6e5ee6b0> (a > org.apache.commons.pool.impl.GenericObjectPool) > at > org.apache.commons.pool.impl.GenericObjectPool.returnObject(GenericObjectPool.java:1076) > at > org.apache.commons.dbcp.PoolableConnection.close(PoolableConnection.java:87) > - locked <0x70ca1880> (a org.apache.commons.dbcp.PoolableConnection) > at > org.apache.commons.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:181) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.