Hello All,

CXF Version: 2.7.3

We are trying to call the soap web service using JaxWsClientProxy and 
occasionally getting NullPointerException from Interceptor chain as following:
I am trying to understand the possible scenario where JAXBContext could go null 
and continuing my research but it would be of great help
If any of you could provide any lead on it please.
Also I am seeing the Inteceptor chain throwing NPE is taking more than 1000ms 
before writing to server.

java.lang.NullPointerException
at 
org.apache.cxf.jaxb.io.DataWriterImpl.createMarshaller(DataWriterImpl.java:101)
at org.apache.cxf.jaxb.io.DataWriterImpl.write(DataWriterImpl.java:169)
at 
org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.writeSoapEnvelopeStart(SoapOutInterceptor.java:156)
at 
org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.handleMessage(SoapOutInterceptor.java:81)
at 
org.apache.cxf.binding.soap.interceptor.SoapOutInterceptor.handleMessage(SoapOutInterceptor.java:61)
at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:271)
 at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:530) at 
org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:463)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:366)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:319)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:133)

Thanks,
Vishal

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