NPE Thrown When Enabling the UDP Listener Globally
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Key: AXIS2-4722
URL: https://issues.apache.org/jira/browse/AXIS2-4722
Project: Axis2
Issue Type: Bug
Components: transports
Reporter: Hiranya Jayathilaka
Fix For: 1.6
Steps to reproduce:
1. Enable the UDP listener in the axis2.xml by adding the following entry:
<transportReceiver name="udp"
class="org.apache.axis2.transport.udp.UDPListener">
<parameter name="transport.udp.port">9999</parameter>
<parameter name="transport.udp.contentType">text/xml</parameter>
</transportReceiver>
2. Start the server and following NPE will be thrown:
2010-05-20 16:02:43,890 [-] [main] ERROR ListenerManager Couldn't initialize
the udptransport listener
java.lang.NullPointerException
at
org.apache.axis2.transport.base.datagram.AbstractDatagramTransportListener.startEndpoint(AbstractDatagramTransportListener.java:75)
at
org.apache.axis2.transport.base.datagram.AbstractDatagramTransportListener.startEndpoint(AbstractDatagramTransportListener.java:31)
at
org.apache.axis2.transport.base.AbstractTransportListenerEx.init(AbstractTransportListenerEx.java:58)
at
org.apache.axis2.transport.base.datagram.AbstractDatagramTransportListener.init(AbstractDatagramTransportListener.java:41)
at org.apache.axis2.engine.ListenerManager.init(ListenerManager.java:83)
at
samples.util.SampleAxis2ServerManager.start(SampleAxis2ServerManager.java:110)
at samples.util.SampleAxis2Server.startServer(SampleAxis2Server.java:61)
at samples.util.SampleAxis2Server.main(SampleAxis2Server.java:40)
I was able to reproduce this issue with Synapse and the sample Axis2 server
that comes with Synapse. I will soon attach a patch.
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