Closing consumer does not free server memory, server heap overflows
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Key: AMQ-1062
URL: https://issues.apache.org/activemq/browse/AMQ-1062
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 4.2.0
Environment: Windows XP Professional, Java HotSpot(TM) Client VM
version 1.5.0_09-b01
Reporter: [EMAIL PROTECTED]
Priority: Critical
Fix For: 4.2.0
I am using the store durable pending cursor.
Create a producer for a topic and let it run continuously for the remainder of
the test.
Create a durable consumer and kill it immediately. (So now messages are piling
up for the consumer, but memory usage is low thanks to the store cursor.)
Wait a few minutes.
Now, start the same durable consumer again.
Memory usage will increase considerably at this point (I get it around 20%).
Now, stop the consumer.
Memory usage DOES NOT go down.
Now, reconnect the same durable consumer. It is possible to get a heap overrun
that nukes the server!
This is a problem when there are many consumers, and the general use case is
that many of them are not active at the same time. I am classifying this as
"critical bug" due to the heap overflow whenI try to reconnect, but it would be
great if the memory usage went down as soon as disconnect.
I image there may also be problems like this with queues, but did not test.
2006-11-19 17:24:20,015 [/127.0.0.1:3278] DEBUG PrefetchSubscription
- Prefetch limit.
2006-11-19 17:24:21,281 [/127.0.0.1:3278] DEBUG Service
- Error occured while processing sync command: java.lang.OutOfMemoryError: Java
heap space
java.lang.OutOfMemoryError: Java heap space
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