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https://issues.apache.org/jira/browse/CXF-6463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh closed CXF-6463.
------------------------------------
> AbstractHTTPDestination.cacheInput() throws NullPointerException if
> HttpServletRequest returns null for getInputStream()
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: CXF-6463
> URL: https://issues.apache.org/jira/browse/CXF-6463
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 3.1.1
> Reporter: Seth Leger
> Assignee: Sergey Beryozkin
> Fix For: 3.0.10, 3.1.7, 3.2.0
>
>
> I am writing a unit test executing inside Spring 4.0's @WebApplicationContext
> unit test framework that invokes CXFServlet. Spring's framework provides a
> MockHttpServletRequest object that you can construct as input to a servlet
> request/response dispatch call.
> If the incoming message body of the MockHttpServletRequest is empty, then
> when you call getInputStream() on it, MockHttpServletRequest will return null
> instead of returning a ServletInputStream that contains no data.
> The code under the CXFServlet doesn't appear to like this behavior and
> crashes with a pretty mysterious stack trace:
> {noformat}
> 2015-06-15 17:29:39,399 DEBUG [main]
> org.apache.cxf.phase.PhaseInterceptorChain - Invoking handleMessage on
> interceptor org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor@3118ed2c
> 2015-06-15 17:29:39,400 DEBUG [main]
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor - Response content type
> is: text/plain
> 2015-06-15 17:29:39,400 DEBUG [main]
> org.apache.cxf.ws.addressing.ContextUtils - retrieving MAPs from context
> property javax.xml.ws.addressing.context.inbound
> 2015-06-15 17:29:39,400 DEBUG [main]
> org.apache.cxf.ws.addressing.ContextUtils - WS-Addressing - failed to
> retrieve Message Addressing Properties from context
> 2015-06-15 17:29:39,401 ERROR [main] org.apache.cxf.jaxrs.utils.JAXRSUtils -
> Problem with writing the data, class java.lang.String, ContentType: text/plain
> 2015-06-15 17:29:39,402 DEBUG [main]
> org.apache.cxf.phase.PhaseInterceptorChain - Invoking handleFault on
> interceptor org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor@3118ed2c
> 2015-06-15 17:29:39,402 DEBUG [main]
> org.apache.cxf.phase.PhaseInterceptorChain - Invoking handleFault on
> interceptor org.apache.cxf.interceptor.MessageSenderInterceptor@1b6824c1
> 2015-06-15 17:29:39,403 WARN [main]
> org.apache.cxf.phase.PhaseInterceptorChain - Interceptor for
> {http://rest.web.opennms.org/}AcknowledgmentRestService has thrown exception,
> unwinding now
> org.apache.cxf.interceptor.Fault
> at
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleWriteException(JAXRSOutInterceptor.java:371)
> at
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor.java:272)
> at
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.processResponse(JAXRSOutInterceptor.java:118)
> at
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage(JAXRSOutInterceptor.java:81)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
> at
> org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:83)
> at
> org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308)
> at
> org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:251)
> at
> org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234)
> at
> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208)
> at
> org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160)
> at
> org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:293)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:217)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
> at
> org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:268)
> at
> org.opennms.core.test.rest.AbstractSpringJerseyRestTestCase$1.doFilter(AbstractSpringJerseyRestTestCase.java:240)
> at
> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:232)
> at
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
> at
> org.opennms.core.test.rest.AbstractSpringJerseyRestTestCase.dispatch(AbstractSpringJerseyRestTestCase.java:244)
> at
> org.opennms.core.test.rest.AbstractSpringJerseyRestTestCase.sendRequest(AbstractSpringJerseyRestTestCase.java:482)
> at
> org.opennms.core.test.rest.AbstractSpringJerseyRestTestCase.sendRequest(AbstractSpringJerseyRestTestCase.java:477)
> at
> org.opennms.core.test.rest.AbstractSpringJerseyRestTestCase.sendRequest(AbstractSpringJerseyRestTestCase.java:473)
> at
> org.opennms.web.rest.MinionRestServiceTest.testGetProperty(MinionRestServiceTest.java:116)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:497)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
> at
> org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
> at
> org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
> at
> org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
> at
> org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233)
> at
> org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
> at
> org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
> at
> org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
> at
> org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176)
> at
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> at
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
> at
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> Caused by: java.lang.NullPointerException
> at org.apache.cxf.helpers.IOUtils.copy(IOUtils.java:182)
> at org.apache.cxf.helpers.IOUtils.copy(IOUtils.java:141)
> at
> org.apache.cxf.io.DelegatingInputStream.cacheInput(DelegatingInputStream.java:54)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination$1.cacheInput(AbstractHTTPDestination.java:308)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.cacheInput(AbstractHTTPDestination.java:582)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.flushHeaders(AbstractHTTPDestination.java:604)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination.flushHeaders(AbstractHTTPDestination.java:597)
> at
> org.apache.cxf.transport.http.AbstractHTTPDestination$WrappedOutputStream.onFirstWrite(AbstractHTTPDestination.java:782)
> at
> org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:47)
> at
> org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:60)
> at
> org.apache.cxf.jaxrs.provider.StringTextProvider.writeTo(StringTextProvider.java:72)
> at
> org.apache.cxf.jaxrs.provider.StringTextProvider.writeTo(StringTextProvider.java:35)
> at
> org.apache.cxf.jaxrs.utils.JAXRSUtils.writeMessageBody(JAXRSUtils.java:1375)
> at
> org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor.java:250)
> ... 53 more
> {noformat}
> If I subclass MockHttpServletRequest and have it return an empty
> ServletInputStream instead of null, then CXF works without throwing the NPE.
> Just to be defensive, you might want to check for null return values from
> HttpServletRequest.getInputStream(). It seems like several people have run
> into issues with this, like this mailing list post:
> http://mail-archives.apache.org/mod_mbox/cxf-users/201104.mbox/%3c1303876123106-4342671.p...@n5.nabble.com%3E
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