NullpointerException thrown when a Callout mediator is specified inline inside
a Proxy Service
----------------------------------------------------------------------------------------------
Key: ESBJAVA-422
URL: http://wso2.org/jira/browse/ESBJAVA-422
Project: WSO2 ESB
Issue Type: Bug
Affects Versions: 1.6-QA-b3
Environment: Ubuntu7.04, JDK1.5.0_12
Reporter: Evanthika Amarasiri
Assigned To: indika kumara
Created a Proxy service as below with an inline Callout mediator
<syn:definitions xmlns:syn="http://ws.apache.org/ns/synapse";>
<syn:proxy name="Callout_Proxy" transports="https http" startOnLoad="true">
<syn:target outSequence="out">
<syn:inSequence>
<syn:callout
serviceURL="http://localhost:9000/soap/SimpleStockQuoteService";
action="urn:getQuote">
<syn:source
xmlns:s11="http://schemas.xmlsoap.org/soap/envelope/";
xmlns:s12="http://www.w3.org/2003/05/soap-envelope";
xmlns:ns1="http://org.apache.synapse/xsd";
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";
xpath="s11:Body/child::*[fn:position()=1] |
s12:Body/child::*[fn:position()=1]"/>
<syn:target
xmlns:s11="http://schemas.xmlsoap.org/soap/envelope/";
xmlns:s12="http://www.w3.org/2003/05/soap-envelope";
xmlns:ns1="http://org.apache.synapse/xsd";
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";
xpath="s11:Body/child::*[fn:position()=1] |
s12:Body/child::*[fn:position()=1]"/>
</syn:callout>
<syn:property name="REESPONSE" value="true"/>
<syn:header name="To" action="remove"/>
<syn:send/>
<syn:drop/>
</syn:inSequence>
</syn:target>
</syn:proxy>
<syn:sequence statistics="enable" name="out">
<syn:send/>
</syn:sequence>
</syn:definitions>
Received a NEP on the ESB console as below
*****************************************************************************************************************************************************************************************************************************
2008-01-18 08:58:07,634 [10.100.1.97-testc-ubuntu] [HttpServerWorker-1] ERROR
CalloutMediator Error invoking service :
http://localhost:9000/soap/SimpleStockQuoteService with action : urn:getQuote
java.lang.NullPointerException
at
org.apache.synapse.mediators.builtin.CalloutMediator.mediate(CalloutMediator.java:78)
at
org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at
org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:122)
at
org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:140)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at
org.apache.synapse.transport.nhttp.ServerWorker.processPost(ServerWorker.java:226)
at
org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:190)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
2008-01-18 08:58:07,638 [10.100.1.97-testc-ubuntu] [HttpServerWorker-1] WARN
ProxyServiceMessageReceiver Executing fault handler due to exception encountered
2008-01-18 08:58:07,639 [10.100.1.97-testc-ubuntu] [HttpServerWorker-1] WARN
FaultHandler Fault handler - setting ERROR_MESSAGE : Error invoking service :
http://localhost:9000/soap/SimpleStockQuoteService with action : urn:getQuote
2008-01-18 08:58:07,640 [10.100.1.97-testc-ubuntu] [HttpServerWorker-1] WARN
FaultHandler Fault handler - setting ERROR_DETAIL :
org.apache.synapse.SynapseException: Error invoking service :
http://localhost:9000/soap/SimpleStockQuoteService with action : urn:getQuote
at
org.apache.synapse.mediators.AbstractMediator.handleException(AbstractMediator.java:220)
at
org.apache.synapse.mediators.builtin.CalloutMediator.mediate(CalloutMediator.java:123)
at
org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at
org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:122)
at
org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:140)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
at
org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
at
org.apache.synapse.transport.nhttp.ServerWorker.processPost(ServerWorker.java:226)
at
org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:190)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException
at
org.apache.synapse.mediators.builtin.CalloutMediator.mediate(CalloutMediator.java:78)
... 10 more
2008-01-18 08:58:07,640 [10.100.1.97-testc-ubuntu] [HttpServerWorker-1] WARN
FaultHandler Fault handler - setting ERROR_EXCEPTION :
org.apache.synapse.SynapseException: Error invoking service :
http://localhost:9000/soap/SimpleStockQuoteService with action : urn:getQuote
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://wso2.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira
_______________________________________________
Esb-java-dev mailing list
[email protected]
http://wso2.org/cgi-bin/mailman/listinfo/esb-java-dev
