https://bz.apache.org/bugzilla/show_bug.cgi?id=59649
--- Comment #4 from Mircea <zmircmir...@gmail.com> --- Here is my stacktrace with Tomcat 8.5.4. Seems to be almost identical: 2016-08-24 07:48:38,236 INFO [http-nio-8080-exec-10] o.a.coyote.http11.Http11Processor DirectJDKLog.java:181 Error parsing HTTP request header Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level. java.lang.IllegalStateException: Unexpected state: headers already parsed. Buffer not recycled? at org.apache.coyote.http11.Http11InputBuffer.parseHeaders(Http11InputBuffer.java:587) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1010) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) 2016-08-24 07:48:38,255 ERROR [http-nio-8080-exec-6] o.a.c.c.C.[.[.[.[.w.w.a.b.p.ApiProjectList] DirectJDKLog.java:181 Servlet.service() for servlet [dk.wordmaps.wordmaps4.api.boundary.project.ApiProjectList] in context with path [/api] threw exception java.lang.NullPointerException: null at org.apache.catalina.connector.Request.getServletContext(Request.java:1618) at org.apache.catalina.connector.Request.getContextPath(Request.java:1975) at org.apache.catalina.connector.RequestFacade.getContextPath(RequestFacade.java:784) at dk.wordmaps.wordmaps4.api.boundary.util.security.StatelessSecurityFilter.doFilter(StatelessSecurityFilter.java:58) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at dk.wordmaps.wordmaps4.api.boundary.util.UTF8ServletFilter.doFilter(UTF8ServletFilter.java:25) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) 2016-08-24 07:48:38,256 ERROR [http-nio-8080-exec-6] o.a.c.c.C.[Catalina].[localhost] DirectJDKLog.java:181 Exception Processing null java.lang.NullPointerException: null at org.apache.catalina.connector.Request.notifyAttributeAssigned(Request.java:1519) at org.apache.catalina.connector.Request.setAttribute(Request.java:1505) at org.apache.catalina.core.StandardWrapperValve.exception(StandardWrapperValve.java:313) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:249) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at ch.qos.logback.access.tomcat.LogbackValve.invoke(LogbackValve.java:256) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) 2016-08-24 07:48:38,257 ERROR [http-nio-8080-exec-6] o.a.coyote.http11.Http11Processor DirectJDKLog.java:181 Error processing request java.lang.NullPointerException: null at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:389) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) 2016-08-24 07:48:38,257 ERROR [http-nio-8080-exec-6] o.a.coyote.http11.Http11Processor DirectJDKLog.java:181 Error finishing response java.lang.NullPointerException: null at org.apache.coyote.http11.Http11OutputBuffer.commit(Http11OutputBuffer.java:351) at org.apache.coyote.http11.Http11Processor.action(Http11Processor.java:658) at org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1786) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1149) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org