on the NPE, can you validate your use case with the current 5.6-SNAPSHOT[1], that will prove that your issue is related and resolved. The end of the month is the current target for a 5.6 release.
[1] https://repository.apache.org/content/repositories/snapshots/org/apache/activemq/apache-activemq/5.6-SNAPSHOT/ On 7 September 2011 17:04, nrichards <jricha...@arrisi.com> wrote: > Generally things are working, except for an intermittent NPE associated with > accessing the PList in the FileCursor, such as the following. This > apparently results in a lost message. > > I am currently working under the assumption this is related to the known > issue https://issues.apache.org/jira/browse/AMQ-3434. > > Does this seem correct? Is there an estimate of when this fix might be > available? > > 2011-09-03 09:17:40,166 ERROR [cursors.FilePendingMessageCursor] [] : Caught > an IO Exception getting the DiskList 7_PendingCursor:S_TableQueue_CHF > java.lang.NullPointerExceptionnull > at > org.apache.activemq.store.kahadb.plist.PListStore$1.execute(PListStore.java:212)null > at org.apache.kahadb.page.Transaction.execute(Transaction.java:728)null > at > org.apache.activemq.store.kahadb.plist.PListStore.getPList(PListStore.java:208)null > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.getDiskList(FilePendingMessageCursor.java:442)null > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.flushToDisk(FilePendingMessageCursor.java:423)null > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.onUsageChanged(FilePendingMessageCursor.java:381)null > at org.apache.activemq.usage.Usage$1.run(Usage.java:268)null > at java.util.concurrent.ThreadPoolExecutor$ > Worker.runTask(ThreadPoolExecutor.java:886)null > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)null > at java.lang.Thread .run(Thread.java:619)null > Exception in thread "Usage Async Task" java.lang.RuntimeException: > java.lang.NullPointerException > > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.getDiskList(FilePendingMessageCursor.java:445) > > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.flushToDisk(FilePendingMessageCursor.java:423) > > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.onUsageChanged(FilePendingMessageCursor.java:381) > > at org.apache.activemq.usage.Usage$1.run(Usage.java:268) > > at > java.util.concurrent.ThreadPoolExecutor$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.NullPointerException > > at > org.apache.activemq.store.kahadb.plist.PListStore$1.execute(PListStore.java:212) > > at org.apache.kahadb.page.Transaction.execute(Transaction.java:728) > > at > org.apache.activemq.store.kahadb.plist.PListStore.getPList(PListStore.java:208) > > at > org.apache.activemq.broker.region.cursors.FilePendingMessageCursor.getDiskList(FilePendingMessageCursor.java:442) > ... 6 more > > > -- > View this message in context: > http://activemq.2283324.n4.nabble.com/AMQ-5-5-non-persistent-messages-not-processed-counted-as-in-flight-tp3776808p3796511.html > Sent from the ActiveMQ - User mailing list archive at Nabble.com. > -- http://fusesource.com http://blog.garytully.com
