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From "Richard Wafer (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-841) NullPointerException when using MasterConnector and specifying the broker name with space in it.
Date Mon, 24 Jul 2006 14:57:23 GMT
NullPointerException when using MasterConnector and specifying the broker name with space in
it.
------------------------------------------------------------------------------------------------

                 Key: AMQ-841
                 URL: https://issues.apache.org/activemq/browse/AMQ-841
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 4.0.1
         Environment: Linux, jdk1.5.0_06
            Reporter: Richard Wafer
            Priority: Minor


I've got a hard time trying to figure out why I got a null pointer trying to use the Master/slave
configuration for ActiveMQ. 

Finnally by looking at the code I've saw the following:
In BrokerService.java 
public void initializeMasterConnector(URI remoteURI) throws Exception { 
...
URI localURI = getVmConnectorURI();
...
}

public URI getVmConnectorURI() {
        if (vmConnectorURI == null) {
            try {
                vmConnectorURI = new URI("vm://" + getBrokerName());
            }
            catch (URISyntaxException e) {
            }
        }
        return vmConnectorURI;
}

My problem is that I've specified a broker name with space in it  "Slave Broker". So I the
new URI() here throw a URISyntaxException that was badly absorb. And this leads to a null
pointer at line:159 of TransportFactory.java.
   String scheme = location.getScheme(); when location is null du to the previous exception.

The link between the error and the cause was not clear at the first sigth. 

A precondition on the setBrokerName could do the job.

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