A NullPointerException coming from deep in JMS would only be
appropriate if the one of the parameters to the Context.lookup was
null when it was documented that it should not be null.
I'd use a different value for the TopicConnectionFactoryBindingName.it
looks like your JMS impl may have problems with a empty string as a
name.
On Feb 12, 2009, at 6:20 AM, Sylvester <[email protected]>
wrote:
Hi,
I've been trying to use Log4j with ActiveMQ. I have ActiveMQ running
on my system. To setup log4j I use:
JMSAppender appender= new JMSAppender();
appender.setName("JMSAppender");
appender.setTopicBindingName("topic");
appender.setTopicConnectionFactoryBindingName(""); //not
sure what is supposed to go here
appender.setLayout(patternLayout);
appender.
setInitialContextFactoryName(
"org.apache.activemq.jndi.ActiveMQInitialContextFactory"); //is this
right?
appender.setURLPkgPrefixes(""); //not sure about this one
either
appender.setProviderURL( "tcp://localhost:61616");
appender.activateOptions();
The appender.activateOptions(); line gives me:
log4j:ERROR Error while activating options for appender named
[JMSAppender].
java.lang.NullPointerException
at javax.naming.InitialContext.getURLScheme(Unknown Source)
at javax.naming.InitialContext.getURLOrDefaultInitCtx(Unknown
Source)
at javax.naming.InitialContext.lookup(Unknown Source)
at org.apache.log4j.net.JMSAppender.lookup(Unknown Source)
at org.apache.log4j.net.JMSAppender.activateOptions(Unknown Source)
at com.Main.main(Main.java:83)
How do I fix this?
Thanks,
Sylvester
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