Manish, We are also experiencing similar kind of issues. Consumer consumes around 1000msgs and then throws null pointer exception. How did you resolve ur problem. We are currently using activemq 5 and java 5. Appreciate ur response. Thanks, Vij
manishbel wrote: > > I have a consumer that's consuming messages at about 6msgs/sec and after i > sent about 15000 messages i got the following exception > > java.lang.NullPointerException > at java.util.LinkedList.addBefore(LinkedList.java:635) > at java.util.LinkedList.addFirst(LinkedList.java:153) > at > org.apache.activemq.ActiveMQMessageConsumer.beforeMessageIsConsumed(ActiveMQMessageConsumer.java:649) > at > org.apache.activemq.ActiveMQMessageConsumer.receive(ActiveMQMessageConsumer.java:487) > > When i looked at the code it's trying to add the message to the top of a > linked list. this list also seems to be modified when the message is > acknowledge so it looks like more of a concurrency issue. > > Has anybody encountered this issue? If so please let me know if there's a > way to resolve this or if there was a fix for it? currently we're thinking > of trying to restart the receivers when the it gets an exception. > > Manish. > -- View this message in context: http://www.nabble.com/NPE-while-consuming-messages-tp12301153s2354p14957815.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
