[jboss-jira] [JBoss JIRA] (WFLY-3281) Cannot call getOutputStream(), getWriter() already called
Stuart Douglas (JIRA)
issues at jboss.org
Wed Apr 23 06:13:33 EDT 2014
[ https://issues.jboss.org/browse/WFLY-3281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12963210#comment-12963210 ]
Stuart Douglas commented on WFLY-3281:
--------------------------------------
Do you have a reproducer I could look at?
> Cannot call getOutputStream(), getWriter() already called
> ---------------------------------------------------------
>
> Key: WFLY-3281
> URL: https://issues.jboss.org/browse/WFLY-3281
> Project: WildFly
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: Web (Undertow)
> Affects Versions: 8.1.0.CR1
> Environment: linux
> Reporter: Jakob Munih
> Assignee: Stuart Douglas
> Priority: Minor
>
> Similar to WFL-1276 I got “UT005023: Exception handling request to /hsb/web-services/: java.lang.IllegalStateException: UT010005: Cannot call getOutputStream(), getWriter() already called” when accessing CXFNonSpringServlet servlet that shows all web services deployed with ApacheCamel 2.13.0. The exception is was not present in WF 8.0. Even with the exception the servlet renders all available service correctly.
> Servlet:
> {code}
> import com.parsek.hsb.commons.Hsb;
> import org.apache.cxf.Bus;
> import org.apache.cxf.transport.servlet.CXFNonSpringServlet;
> import javax.inject.Inject;
> import javax.servlet.ServletConfig;
> import javax.servlet.ServletException;
> import javax.servlet.annotation.WebServlet;
> // reuse camel bus
> @WebServlet(value = "/web-services/*", name = "HsbWebServices", asyncSupported = true, loadOnStartup = 1)
> public class ExposeCxf extends CXFNonSpringServlet {
> @Hsb
> @Inject
> private Bus bus;
> @Override
> public void init(ServletConfig sc) throws ServletException {
> setBus(bus);
> super.init(sc);
> }
> }
> {code}
> Exception
> {noformat}
> 11:12:05,900 ERROR [io.undertow.request] (default task-11) UT005023: Exception handling request to /hsb/web-services/: java.lang.IllegalStateException: UT010005: Cannot call getOutputStream(), getWriter() already called
> at io.undertow.servlet.spec.HttpServletResponseImpl.getOutputStream(HttpServletResponseImpl.java:283) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at org.apache.cxf.transport.servlet.servicelist.ServiceListGeneratorServlet.renderStyleSheet(ServiceListGeneratorServlet.java:174) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at org.apache.cxf.transport.servlet.servicelist.ServiceListGeneratorServlet.service(ServiceListGeneratorServlet.java:89) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [jboss-servlet-api_3.1_spec-1.0.0.Final.jar:1.0.0.Final]
> at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:170) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:153) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:167) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:286) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:211) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) [jboss-servlet-api_3.1_spec-1.0.0.Final.jar:1.0.0.Final]
> at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:262) [cxf-rt-transports-http-2.7.10.jar:2.7.10]
> at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:113) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:56) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:61) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:240) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:227) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:73) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:146) [undertow-servlet-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.server.Connectors.executeRootHandler(Connectors.java:168) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:727) [undertow-core-1.0.5.Final.jar:1.0.5.Final]
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0]
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0]
> at java.lang.Thread.run(Thread.java:744) [rt.jar:1.8.0]
> {noformat}
> {code}
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