You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@activemq.apache.org by "Ashish Jain (Commented) (JIRA)" <ji...@apache.org> on 2011/10/09 18:25:29 UTC
[jira] [Commented] (AMQ-2284) ClassCastException in KahaDB
[ https://issues.apache.org/jira/browse/AMQ-2284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13123719#comment-13123719 ]
Ashish Jain commented on AMQ-2284:
----------------------------------
We are also seeing the same behavior and the issue is resolved on restart. Can someone help understand why this issue occurs?
Thanks
Mav
> ClassCastException in KahaDB
> ----------------------------
>
> Key: AMQ-2284
> URL: https://issues.apache.org/jira/browse/AMQ-2284
> Project: ActiveMQ
> Issue Type: Bug
> Components: Message Store
> Affects Versions: 5.3.0
> Environment: Linux, activemq-core and kahadb 5.3-SNAPSHOT from 2009-06-02
> Reporter: Swen Moczarski
> Fix For: 5.x
>
>
> We test the broker with the Kaha message store. After some time we get lots of class cast exceptions:
> {noformat}
> [2009-06-06 06:01:22,047] [QueueThread:queue://xxx] [ERROR] [org.apache.activemq.broker.region.cursors.AbstractStoreCursor] [Failed to fill batch]
> java.lang.ClassCastException: java.lang.Long cannot be cast to org.apache.activemq.store.kahadb.MessageDatabase$MessageKeys
> at org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$4.execute(KahaDBStore.java:228)
> at org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
> at org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:221)
> at org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:81)
> at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:227)
> at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.hasNext(AbstractStoreCursor.java:134)
> at org.apache.activemq.broker.region.cursors.StoreQueueCursor.hasNext(StoreQueueCursor.java:131)
> at org.apache.activemq.broker.region.Queue.doPageIn(Queue.java:1280)
> at org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1419)
> at org.apache.activemq.broker.region.Queue.iterate(Queue.java:1103)
> at org.apache.activemq.thread.DeterministicTaskRunner.runTask(DeterministicTaskRunner.java:84)
> at org.apache.activemq.thread.DeterministicTaskRunner$1.run(DeterministicTaskRunner.java:41)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> [2009-06-06 06:01:22,048] [QueueThread:queue://xxx] [ERROR] [org.apache.activemq.broker.region.cursors.AbstractStoreCursor] [Failed to fill batch]
> java.lang.RuntimeException: java.lang.ClassCastException: java.lang.Long cannot be cast to org.apache.activemq.store.kahadb.MessageDatabase$MessageKeys
> at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:230)
> at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.hasNext(AbstractStoreCursor.java:134)
> at org.apache.activemq.broker.region.cursors.StoreQueueCursor.hasNext(StoreQueueCursor.java:131)
> at org.apache.activemq.broker.region.Queue.doPageIn(Queue.java:1280)
> at org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1419)
> at org.apache.activemq.broker.region.Queue.iterate(Queue.java:1103)
> at org.apache.activemq.thread.DeterministicTaskRunner.runTask(DeterministicTaskRunner.java:84)
> at org.apache.activemq.thread.DeterministicTaskRunner$1.run(DeterministicTaskRunner.java:41)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.ClassCastException: java.lang.Long cannot be cast to org.apache.activemq.store.kahadb.MessageDatabase$MessageKeys
> at org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$4.execute(KahaDBStore.java:228)
> at org.apache.kahadb.page.Transaction.execute(Transaction.java:728)
> at org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:221)
> at org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:81)
> at org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:227)
> ... 10 more
> {noformat}
> For the messages we use the persistence delivery mode.
> Our configuration (in Spring) for the persistance adapter:
> {code:xml}
> <property name="persistenceAdapter">
> <bean class="org.apache.activemq.store.kahadb.KahaDBStore">
> <property name="directory" value="/message/store/dir" />
> </bean>
> </property>
> {code}
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira