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From "Vadim Pesochinskiy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-1063) Journaled JDBC checkpoint fails with java.io.IOException: Already started.
Date Tue, 31 Jul 2007 19:50:49 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-1063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_39818
] 

Vadim Pesochinskiy commented on AMQ-1063:
-----------------------------------------

After that happens the first time I keep seeing this every second or so about 30 times and
after that AMQ is dead. No messages are delivered anymore. Once in this state I cannot pull
up messages via jconsole / operations / Browse As Table.

> Journaled JDBC checkpoint fails with java.io.IOException: Already started.
> --------------------------------------------------------------------------
>
>                 Key: AMQ-1063
>                 URL: https://issues.apache.org/activemq/browse/AMQ-1063
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.0.0
>         Environment: Windows XP Professional, JVM 1.5.0_09, MySQL 5.0.27
>            Reporter: jk@penguinsfan.com
>            Assignee: Hiram Chirino
>            Priority: Critical
>             Fix For: 5.0.0
>
>
> I am running trunk using JDBC against MySQL 5.0.27.  I am seeing the above mentioned
IOException.  Do not have specific instructions on how to reproduce at the current time, but
I was using durable subscriptions with the store durable cursor if that helps.  (I'll post
if I find out more information.)
>       <persistenceAdapter>
>    
>       <journaledJDBC journalLogFiles="5" dataDirectory="../activemq-data" dataSource="#mysql-ds"/>
>     </persistenceAdapter>
>   <bean id="mysql-ds" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
>     <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
>     <property name="url" value="jdbc:mysql://localhost/activemq?relaxAutoCommit=true"/>
>     <property name="username" value="*** OMITTED ***"/>
>     <property name="password" value="*** OMITTED *** "/>
>     <property name="poolPreparedStatements" value="true"/>
>   </bean>  
> Log trace:
> 2006-11-19 19:19:48,078 [/127.0.0.1:4898] DEBUG JournalPersistenceAdapter      - Waking
for checkpoint to complete.
> 2006-11-19 19:19:48,078 [eckpoint Worker] DEBUG JournalPersistenceAdapter      - Checkpoint
started.
> 2006-11-19 19:19:48,078 [eckpoint Worker] ERROR JournalPersistenceAdapter      - Failed
to checkpoint a message store: java.util.concurrent.ExecutionException: java.io.IOException:
Already started.
> java.util.concurrent.ExecutionException: java.io.IOException: Already started.
> 	at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:205)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:80)
> 	at org.apache.activemq.store.journal.JournalPersistenceAdapter.doCheckpoint(JournalPersistenceAdapter.java:386)
> 	at org.apache.activemq.store.journal.JournalPersistenceAdapter$2.iterate(JournalPersistenceAdapter.java:129)
> 	at org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:88)
> 	at org.apache.activemq.thread.DedicatedTaskRunner.access$0(DedicatedTaskRunner.java:76)
> 	at org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:39)
> Caused by: java.io.IOException: Already started.
> 	at org.apache.activemq.store.jdbc.TransactionContext.begin(TransactionContext.java:145)
> 	at org.apache.activemq.store.jdbc.JDBCPersistenceAdapter.beginTransaction(JDBCPersistenceAdapter.java:358)
> 	at org.apache.activemq.store.journal.JournalPersistenceAdapter.beginTransaction(JournalPersistenceAdapter.java:189)
> 	at org.apache.activemq.util.TransactionTemplate.run(TransactionTemplate.java:41)
> 	at org.apache.activemq.store.journal.JournalMessageStore.checkpoint(JournalMessageStore.java:247)
> 	at org.apache.activemq.store.journal.JournalTopicMessageStore.checkpoint(JournalTopicMessageStore.java:162)
> 	at org.apache.activemq.store.journal.JournalPersistenceAdapter$5.call(JournalPersistenceAdapter.java:373)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:123)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
> 	at java.lang.Thread.run(Thread.java:595)
> 2006-11-19 19:19:48,109 [eckpoint Worker] DEBUG JournalPersistenceAdapter      - Checkpoint
done.

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