It is probably best to open a jira issue and submit a Junit test case
of your client that demonstrates the out of memory error.
2008/11/19 Elihu Smails <[EMAIL PROTECTED]>:
> I am finally getting the chance to continue testing this and am still
> getting OutOfMemory errors on the JVM that is sending messages to the
> ActiveMQ server. I have set the policy to
> <noSubscriptionRecoveryPolicy/> on the ActiveMQ server using the
> latest code in the trunk.
>
> Anyone have any more ideas on how to prevent these OutOfMemory errors.
>
> Thanks
>
> On Thu, Oct 9, 2008 at 7:55 PM, Mark Webb <[EMAIL PROTECTED]> wrote:
>> I have run across a memory leak that I have been able to reproduce. I
>> am profiling the sample application in NetBeans and I believe that I
>> have traced the problem to
>> org.apache.activemq.openwire.v3.BaseDataStreamMarshaller.tightUnmarshalByteSequence(DataInput,
>> BooleanStream)
>>
>> The sample program is a very simple application that sends an object
>> that I wrote to ActiveMQ every 200ms. In NetBeans I am using the
>> "Live Allocated Objects" view and approximately 80% of all objects are
>> byte[]. If I view the Allocation Call Tree, the first few methods in
>> the tree are:
>>
>> BaseDataStreamMarshaller.tightUnmarshalByteSequence(DataInput, BooleanStream)
>> org.apache.activemq.util.ByteArrayOutputStream.checkCapacity(int)
>> org.apache.activemq.util.ByteArrayOutputStream.<init>
>> java.lang.StringCoding$StringEncoder.encode(char[],int,int)
>>
>> The object that I am sending is a simple bean class and only contains
>> an int, String and byte[].
>>
>> I am using the base configuration for ActiveMQ. All my sample
>> application does is call sendObject(Serializable) every 200ms. Here
>> is the simple JMS library that I wrote:
>>
>> ------------- START --------------------------
>> public class JmsLib {
>>
>> private TopicConnection connection;
>> private Session session;
>> private Topic destination;
>> private MessageProducer producer;
>> private MessageConsumer consumer;
>>
>> public JmsLib( ActiveMQConnectionFactory connFactory, String dest
>> ) throws JMSException {
>>
>> connection = connFactory.createTopicConnection();
>> session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
>> destination = session.createTopic( dest );
>> producer = session.createProducer( destination );
>> consumer = session.createConsumer( destination );
>> connection.start();
>> }
>>
>> public void addMessageListener( MessageListener listener ) throws
>> JMSException{
>> consumer.setMessageListener( listener );
>> }
>>
>> public void sendObject( Serializable object ) throws JMSException{
>> ObjectMessage message = session.createObjectMessage( object );
>> producer.send(message);
>> }
>> }
>> --------------- END --------------------------
>>
>> Thanks for any help you may have...
>>
>
