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https://issues.apache.org/jira/browse/AXIS2-4722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12870390#action_12870390
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Andreas Veithen edited comment on AXIS2-4722 at 5/23/10 7:35 AM:
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> Don't we already do this with HTTP transports?
Yes and no. There is one important difference. In HTTP, the information is
exchanged at the transport protocol level (in the HTTP request line). For UDP
and TCP (as implemented in Axis2) the servicePath information is not exchanged
at the transport protocol level, but at the SOAP level (assuming that
WS-Addressing is enabled).
was (Author: veithen):
> Don't we already do this with HTTP transports?
Yes and no. There is one important difference. In HTTP, the transformation is
exchanged at the transport protocol level (in the HTTP request line). For UDP
and TCP (as implemented in Axis2) the servicePath information is not exchanged
at the transport protocol level, but at the SOAP level (assuming that
WS-Addressing is enabled).
> NPE Thrown When Enabling the UDP Listener Globally
> --------------------------------------------------
>
> 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
>
> Attachments: AXIS2-4722-update1.patch, AXIS2-4722.patch
>
>
> 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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