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https://issues.apache.org/activemq/browse/AMQ-2985 - fix npe on remove consumer track new consumer last ack at lowest priority such that there can be no replay 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1038643 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary Tully 2010-11-24 15:15:39 +00:00
parent d6ad7c7cd0
commit aec047d08b
2 changed files with 6 additions and 2 deletions
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4
activemq-core/src/main/java/org/apache/activemq/store/kahadb/KahaDBStore.java
View File

@ -784,6 +784,10 @@ public class KahaDBStore extends MessageDatabase implements PersistenceAdapter {
MessageOrderCursor moc = sd.subscriptionCursors.get(subscriptionKey);
if (moc == null) {
LastAck pos = sd.subscriptionAcks.get(tx, subscriptionKey);
if (pos == null) {
// sub deleted
return;
}
sd.orderIndex.setBatch(tx, pos);
moc = sd.orderIndex.cursor;
} else {

4
activemq-core/src/main/java/org/apache/activemq/store/kahadb/MessageDatabase.java
View File

@ -1314,7 +1314,7 @@ public class MessageDatabase extends ServiceSupport implements BrokerServiceAwar
public LastAck(long ackLocation) {
this.lastAckedSequence = ackLocation;
this.priority = MessageOrderIndex.HI;
this.priority = MessageOrderIndex.LO;
}
public LastAck(long ackLocation, byte priority) {
@ -2207,7 +2207,7 @@ public class MessageDatabase extends ServiceSupport implements BrokerServiceAwar
result = lowPriorityIndex.get(tx, key);
lastGetPriority = LO;
} else {
lastGetPriority = HI;
lastGetPriority = HI;
}
} else {
lastGetPriority = DEF;