[jira] [Created] (CXF-6231) Getting the wsdl from a cxf webservice throws an exception

["Guillaume Grossetie (JIRA)" <ji...@apache.org>]

Guillaume Grossetie created CXF-6231:
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             Summary: Getting the wsdl from a cxf webservice throws an exception
                 Key: CXF-6231
                 URL: https://issues.apache.org/jira/browse/CXF-6231
             Project: CXF
          Issue Type: Bug
    Affects Versions: 2.7.14
            Reporter: Guillaume Grossetie


Hi,

We've updated CXF from 2.6.2 to 2.7.14 and we are experiencing this issue. When using WSDLGetOutInterceptor we get the following exception:
{code}Can not output XML declaration, after other output has already been done.{code}

{code}
org.apache.cxf.interceptor.Fault: Can not output XML declaration, after other output has already been done.
	at org.apache.cxf.frontend.WSDLGetOutInterceptor.handleMessage(WSDLGetOutInterceptor.java:61)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
	at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:83)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
	at org.apache.cxf.phase.PhaseInterceptorChain.doInterceptStartingAt(PhaseInterceptorChain.java:424)
	at org.apache.cxf.frontend.WSDLGetInterceptor.handleMessage(WSDLGetInterceptor.java:97)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:272)
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:249)
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:248)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:222)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153)
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:211)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262)
	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
	at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.
	at com.ctc.wstx.sw.BaseStreamWriter.throwOutputError(BaseStreamWriter.java:1537)
	at com.ctc.wstx.sw.BaseStreamWriter.reportNwfStructure(BaseStreamWriter.java:1566)
	at com.ctc.wstx.sw.BaseStreamWriter.doWriteStartDocument(BaseStreamWriter.java:646)
	at com.ctc.wstx.sw.BaseStreamWriter.writeStartDocument(BaseStreamWriter.java:634)
	at com.ctc.wstx.sw.BaseStreamWriter.writeStartDocument(BaseStreamWriter.java:622)
	at org.apache.cxf.staxutils.StaxUtils.writeDocument(StaxUtils.java:888)
	at org.apache.cxf.frontend.WSDLGetOutInterceptor.handleMessage(WSDLGetOutInterceptor.java:56)
	... 32 more
{code}

I think this regression was introduced in: https://github.com/apache/cxf/commit/e0d4f15fd6f1b4352c189442e5f2902303bcd5cb


Thanks



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