https://bz.apache.org/bugzilla/show_bug.cgi?id=62053
Bug ID: 62053
Summary: NullPointerException in Http2AsyncUpgradeHandler with
Server Push
Product: Tomcat 9
Version: 9.0.4
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Connectors
Assignee: dev@tomcat.apache.org
Reporter: holger.su...@bodo-peters.de
Target Milestone: -----
Hello,
I try to get a JSF (Mojarra 2.3.3) application working with Server Push and
keep getting a NPE when using HTTP/2.
Tested with JDK8 + OpenSSL and JDK9 + JSSE.
Application in question is Primefaces 6.1 Showcase, modified to use Servlet 4
and Mojarra 2.3.3.
The Exception Stacktrace:
java.lang.NullPointerException
at
org.apache.coyote.http2.Http2AsyncUpgradeHandler$AsyncHeaderFrameBuffers.access$200(Http2AsyncUpgradeHandler.java:425)
at
org.apache.coyote.http2.Http2AsyncUpgradeHandler.writeHeaders(Http2AsyncUpgradeHandler.java:158)
at
org.apache.coyote.http2.Http2UpgradeHandler.push(Http2UpgradeHandler.java:1120)
at org.apache.coyote.http2.Stream.push(Stream.java:672)
at org.apache.coyote.http2.Stream.push(Stream.java:642)
at
org.apache.coyote.http2.StreamProcessor.doPush(StreamProcessor.java:280)
at
org.apache.coyote.AbstractProcessor.action(AbstractProcessor.java:490)
at org.apache.coyote.Request.action(Request.java:432)
at
org.apache.catalina.core.ApplicationPushBuilder.push(ApplicationPushBuilder.java:370)
at
com.sun.faces.context.ExternalContextImpl.pushIfPossibleAndNecessary(ExternalContextImpl.java:704)
at
com.sun.faces.context.ExternalContextImpl.encodeResourceURL(ExternalContextImpl.java:662)
at
javax.faces.context.ExternalContextWrapper.encodeResourceURL(ExternalContextWrapper.java:164)
at
com.sun.faces.renderkit.html_basic.ScriptStyleBaseRenderer.encodeEnd(ScriptStyleBaseRenderer.java:246)
at
javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:949)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1912)
at
org.primefaces.renderkit.HeadRenderer.encodeBegin(HeadRenderer.java:97)
at
javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:892)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1903)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1908)
at
com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:491)
at
com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:194)
at
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:151)
at
javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:151)
at
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:126)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:223)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:671)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:100)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.primefaces.showcase.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:32)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at
org.apache.coyote.http2.StreamProcessor.service(StreamProcessor.java:324)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.http2.StreamProcessor.process(StreamProcessor.java:72)
at org.apache.coyote.http2.StreamRunnable.run(StreamRunnable.java:35)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown
Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Unknown Source)
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