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https://issues.apache.org/jira/browse/AMQ-1063?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Tully reopened AMQ-1063:
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there is indeed a problem with this fix as pointed out above.
getConnection depends on the inTx flag.
maybe the correct fix is to clear the inTx flag in
TransactionContext.getConnection() before we throw the ioe.
> Journaled JDBC checkpoint fails with java.io.IOException: Already started.
> --------------------------------------------------------------------------
>
> Key: AMQ-1063
> URL: https://issues.apache.org/jira/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: [email protected]
> Assignee: Claus Ibsen
> Fix For: 5.10.0
>
> Attachments: activemq.log.zip
>
>
> 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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