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https://wso2.org/jira/browse/ESBJAVA-422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Evanthika Amarasiri closed ESBJAVA-422.
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Tested on wso2esb-1.7. Tried out with the given configuration and the
NullPointerException was not thrown. The issue can be closed
> NullpointerException thrown when a Callout mediator is specified inline
> inside a Proxy Service
> ----------------------------------------------------------------------------------------------
>
> Key: ESBJAVA-422
> URL: https://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
> Assignee: indika kumara
> Fix For: 1.7
>
>
> 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
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