Hello,
I am working on a project in which we have separate modules called:
CORE: business layer which expose webservices via CXF.
ADMIN, PRIV, PUB: struts2 modules that access core services
At the beginning of the project we thought that each module may run in
different application servers so that we apply this design. Nowadays, all
modules are running on the same application server and
we are finding ways to optimize response times.
I have read about coloc feature and I think it can fits us very well, as it
is supposed to detect if the service is locally or remotely invoked and acts
in consequence avoiding marshalling and unmarshalling processes.
I have enabled coloc by adding the following lines on my client and server
cxf spring configuration files:
<cxf:bus>
<cxf:features>
<coloc:enableColoc/>
</cxf:features>
</cxf:bus>
We are using cxf 2.2.10, spring 3.0.4 and jdk 1.5. We are using simple
client frontend and Aegis databinding, with MTOM enabled in some services
When coloc is disabled, the communication between client and server works
properly, but if I enable it, I'll get the following exception:
org.apache.cxf.binding.soap.SoapFault: Error reading XMLStreamReader.
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:230)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:60)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:244)
at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:729)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:2261)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:2134)
at
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1988)
at
org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)
at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:639)
at
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
at
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:244)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:516)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:313)
at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:265)
at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)
at org.apache.cxf.frontend.ClientProxy.invoke(ClientProxy.java:68)
at $Proxy44.getAllConfigurations(Unknown Source)
at
es.aragon.ccsv.admin.integration.admin.ConfigurationXML.saveConfiguration(ConfigurationXML.java:78)
at
es.aragon.ccsv.admin.integration.admin.ConfigurationXML.<init>(ConfigurationXML.java:37)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:501)
at
org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:126)
at
org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:74)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:958)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:911)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:485)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at
org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:281)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at
org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
at
org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
at
org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
at
org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
at
org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at
org.apache.catalina.core.StandardService.start(StandardService.java:448)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
Caused by: com.ctc.wstx.exc.WstxEOFException: Unexpected EOF in prolog
at [row,col {unknown-source}]: [1,0]
at
com.ctc.wstx.sr.StreamScanner.throwUnexpectedEOF(StreamScanner.java:686)
at
com.ctc.wstx.sr.BasicStreamReader.handleEOF(BasicStreamReader.java:2134)
at
com.ctc.wstx.sr.BasicStreamReader.nextFromProlog(BasicStreamReader.java:2040)
at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1069)
at
com.ctc.wstx.sr.BasicStreamReader.nextTag(BasicStreamReader.java:1095)
at
org.apache.cxf.binding.soap.interceptor.ReadHeadersInterceptor.handleMessage(ReadHeadersInterceptor.java:122)
... 55 more
I have run the project in debug mode and the request is processed properly
in the server side
but the exception is thrown in the way back from the server to the client,
in the ReadHeadersInterceptor in the following line:
if (xmlReader.nextTag() == XMLStreamConstants.START_ELEMENT)
Do you have any clue about where the problem is?
Is there any additional configuration task we should take into account?
I have launched core and client modules in different tomcat instances in
order to try that the services work as usual.
If I solve the problem, I will try if coloc feature works properly in the
same application server.
Thanks in advance
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