IBM ECM Filenet - Error: Writer already obtained

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IBM ECM Filenet - Error: org.apache.cxf.phase.PhaseInterceptorChain doDefaultLogging Interceptor for {http://jaxrs.ecm.ibm.com/}Actions has thrown exception, unwinding now java.lang.IllegalStateException: SRVE0209E: Writer already obtained
        
          org.apache.cxf.phase.PhaseInterceptorChain doDefaultLogging Interceptor for {http://jaxrs.ecm.ibm.com/}Actions has thrown exception, unwinding now
          java.lang.IllegalStateException: SRVE0209E: Writer already obtained
          at com.ibm.ws.webcontainer.srt.SRTServletResponse.getOutputStream(SRTServletResponse.java:819)
          at javax.servlet.ServletResponseWrapper.getOutputStream(ServletResponseWrapper.java:142)
          at com.ibm.owasp.esapi.waf.internal.InterceptingHTTPServletResponse.getOutputStream(InterceptingHTTPServletResponse.java:71)
          at org.apache.cxf.transport.http.AbstractHTTPDestination.flushHeaders(AbstractHTTPDestination.java:645)
          at org.apache.cxf.transport.http.AbstractHTTPDestination.flushHeaders(AbstractHTTPDestination.java:613)
          at org.apache.cxf.transport.http.AbstractHTTPDestination$WrappedOutputStream.onFirstWrite(AbstractHTTPDestination.java:792)
          at org.apache.cxf.io.AbstractWrappedOutputStream.write(AbstractWrappedOutputStream.java:47)
          at com.ibm.xml.xlxp.api.stax.serializer.StAXWriter.flushInternal(StAXWriter.java:68)
          at com.ibm.xml.xlxp.api.stax.serializer.StAXWriter.flush(StAXWriter.java:73)
          at com.ibm.xml.xlxp.api.stax.XMLStreamWriterImpl.flush(XMLStreamWriterImpl.java:771)
          at com.ibm.xml.xlxp.api.stax.XMLOutputFactoryImpl$XMLStreamWriterProxy.flush(XMLOutputFactoryImpl.java:151)
          at org.apache.cxf.jaxrs.interceptor.JAXRSDefaultFaultOutInterceptor.handleMessage(JAXRSDefaultFaultOutInterceptor.java:130)
          at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
          at org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:113)
          at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:371)
          at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainInterceptor.java:83)
          at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
          at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
          at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:256)
          at com.ibm.ws.jaxrs20.endpoint.AbstractJaxRsWebEndpoint.invoke(AbstractJaxRsWebEndpoint.java:147)
          at com.ibm.websphere.jaxrs.server.IBMRestServlet.handleRequest(IBMRestServlet.java:187)
          at com.ibm.websphere.jaxrs.server.IBMRestServlet.doPost(IBMRestServlet.java:145)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
          at com.ibm.websphere.jaxrs.server.IBMRestServlet.service(IBMRestServlet.java:133)
          at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1235)
          at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
          at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
          at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
          at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:143)
          at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:96)
          at com.ibm.ecm.filters.JAXRSFilter.doFilter(JAXRSFilter.java:48)
          at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
          at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
          at com.ibm.ecm.filters.ESAPIWafFilter.doFilter(ESAPIWafFilter.java:231)
          at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:197)
          at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:90)
          at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:969)
          at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1109)
          at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:82)
          at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:963)
          at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)
          at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:382)
          at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)
          at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:532)
          at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:318)
          at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)
          at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
          at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
          at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
          at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
          at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
          at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
          at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
          at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1909)
Fix
1. Login Websphere
2. At left menu: Servers -> Server Types -> WebSphere application servers
3. Click to server1 -> Configuration -> Container Services -> Default JAX-RS Settings
4. Change the JAX-RS provider version to 1.1

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