Unmarshalling error when using fastinfoset
------------------------------------------

                 Key: CXF-2748
                 URL: https://issues.apache.org/jira/browse/CXF-2748
             Project: CXF
          Issue Type: Bug
    Affects Versions: 2.2.7
         Environment: Windows Vista
jdk1.6.0_07
            Reporter: Reinis Vicups
             Fix For: 2.3


I have a webservice operation that returns primitive "string". I call this very 
same operation in three different ways: 1. without any sort of compression; 2. 
with mtom compression 3. with fastinfoset compression.

The no compression call and mtom compression call works but fastinfoset call 
fails with this exception:

15:24:49,328 DEBUG [main] apache.cxf.phase.PhaseInterceptorChain (240)     - 
Invoking handleMessage on interceptor 
org.apache.cxf.interceptor.docliteralinintercep...@1bb3e9a
15:24:49,343 WARN  [main] apache.cxf.phase.PhaseInterceptorChain (365)     - 
Interceptor for 
{http://blahblah/email/service}EmailUS#{http://blahblah/email/service}sendEmail 
has thrown exception, unwinding now
org.apache.cxf.interceptor.Fault: Unmarshalling Error: null
        at 
org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:780)
        at 
org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:624)
        at org.apache.cxf.jaxb.io.DataReaderImpl.read(DataReaderImpl.java:128)
        at 
org.apache.cxf.interceptor.DocLiteralInInterceptor.handleMessage(DocLiteralInInterceptor.java:106)
        at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:243)
        at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:672)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:2254)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:2134)
        at 
org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1988)
        at 
org.apache.cxf.io.CacheAndWriteOutputStream.postClose(CacheAndWriteOutputStream.java:47)
        at 
org.apache.cxf.io.CachedOutputStream.close(CachedOutputStream.java:188)
        at 
org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:66)
        at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:639)
        at 
org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:62)
        at 
org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:243)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:484)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:310)
        at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:262)
        at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:73)
        at 
org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:124)
        at $Proxy67.sendEmail(Unknown Source)
        at 
blahblah.email.service.EmailUSWSImplTest.prepareAndCallSendEmailWebService(EmailUSWSImplTest.java:332)
        at 
blahblah.email.service.EmailUSWSImplTest.testSendEmailWithFastinfosetCompression(EmailUSWSImplTest.java:304)
        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:597)
        at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:59)
        at 
org.junit.internal.runners.MethodRoadie.runTestMethod(MethodRoadie.java:98)
        at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:79)
        at 
org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:87)
        at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
        at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
        at 
org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
        at 
org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
        at 
org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
        at 
org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
        at 
org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
        at 
org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
        at 
org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:59)
        at 
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:115)
        at 
org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:102)
        at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
        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:597)
        at 
org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350)
        at 
org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021)
Caused by: java.lang.AssertionError
        at com.sun.xml.bind.v2.util.QNameMap.getEntry(QNameMap.java:460)
        at com.sun.xml.bind.v2.util.QNameMap.get(QNameMap.java:158)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.StructureLoader.childElement(StructureLoader.java:241)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:478)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:459)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.FastInfosetConnector.handleStartElement(FastInfosetConnector.java:162)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.FastInfosetConnector.bridge(FastInfosetConnector.java:105)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:360)
        at 
com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:339)
        at 
org.apache.cxf.jaxb.JAXBEncoderDecoder.unmarshall(JAXBEncoderDecoder.java:755)
        ... 48 more

If I change return type of the operation to one way (remove output message from 
the porttype def) the call to fastinfoset works just fine!!! But as soon as I 
make the operation two way, it brings this error.
I tried:
- changing return type to int;
- enabling FI declaratively by adding <fastinfoset/> to bus definition in 
cxf.xml
- enabling FI programaticaly by adding FIStaxXXInterceptor to endpoints
- adding fresh new operation to the webservice with the return value and 
testing if it works
none of this worked for me.
- setting a system property of: 
"com.sun.xml.fastinfoset.parser.string-interning" to "true"

*Attention*
# This issue is fixed in 2.3.0-SNAPSHOT!
# Setting a system property of: 
"com.sun.xml.fastinfoset.parser.string-interning" to "true" works for the 
simplified test project I have attached to this ticket (dkulp already tested, 
replicated and confirmed this issue with using the provided test project).

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