https://bz.apache.org/bugzilla/show_bug.cgi?id=62626
--- Comment #18 from jan.pfei...@centrum.cz --- (In reply to Christopher Schultz from comment #16) Its like observing black hole for me but i've came to some conslusions > > But why is it not crashing on Java 8? 1. I have tried org.apache.catalina.connector.RECYCLE_FACADES=true parameter before and left it enabled. But I am quite sure it crashed at least once with parameter enabled. I've disabled it again. 2. HTTP/2. As I mentioned before I didnt know it is possible to have it working with Java 8. So I run it only with HTTP11. I have enabled HTTP/2 on Java 8 yesterday and got three crashes till now. 3. AND/OR "malevolent" traffic. There was some strange access logs for the images. Now its is clear it is related to HTTP/2. As it ceased with HTTP1 and reappeared again now with HTTP/2. It seems some bots have problems with HTTP/2, requesting the same images over and over again and terminating connection in some "bad" way. Last crash log (Java 8 + HTTP/2 RECYCLE_FACADES=false) --------------- T H R E A D --------------- Current thread (0x0000000024278800): JavaThread "https-openssl-apr-443-exec-39" daemon [_thread_in_native, id=52448, stack(0x000000002d850000,0x000000002d950000)] siginfo: ExceptionCode=0xc0000005, writing address 0x00000000000001a0 Registers: RAX=0x0000000000000000, RBX=0x000000002c5a69a0, RCX=0x00000001801ccca0, RDX=0x00000000fffffff0 RSP=0x000000002d94e190, RBP=0x0000000000000009, RSI=0x0000000000000017, RDI=0x00000000ffffffff R8 =0x0000000000000006, R9 =0x000000000000004b, R10=0x0000000000000007, R11=0x00000000ffffffff R12=0x000000002c4971c6, R13=0x00000000299b21c0, R14=0x0000000000000000, R15=0x0000000000000000 RIP=0x00000001800e0a8f, EFLAGS=0x0000000000010286 Top of Stack: (sp=0x000000002d94e190) 0x000000002d94e190: 000000002c5a69a0 0000000000000008 0x000000002d94e1a0: 000000002c5a69a0 00000000299b21c0 0x000000002d94e1b0: 0000000000000000 0000000000000000 0x000000002d94e1c0: 0000000000000000 00000000713333f2 0x000000002d94e1d0: 0000001700000009 0000000000000009 0x000000002d94e1e0: 0000000020c47220 000000007132cb5d 0x000000002d94e1f0: 000000002240cd00 00000000713b0b22 0x000000002d94e200: 0000000024278800 0000000020c47220 0x000000002d94e210: 0000000022df4640 0000000000000000 0x000000002d94e220: 00002181135f529d 00000001800e0075 0x000000002d94e230: 000000002d94e370 0000000020c47220 0x000000002d94e240: 000000002d94e318 0000000000000009 0x000000002d94e250: 0000000020c47220 0000000000000009 0x000000002d94e260: 000000002c5a69a0 00000001800e5c2e 0x000000002d94e270: 0000000000000000 0000000000000000 0x000000002d94e280: 000000001fa3da90 0000000024278800 Instructions: (pc=0x00000001800e0a8f) 0x00000001800e0a6f: f6 41 70 08 75 08 48 8b cb e8 d3 64 00 00 42 8d 0x00000001800e0a7f: 04 37 e9 de f7 ff ff 33 ff 48 8b 83 80 00 00 00 0x00000001800e0a8f: 44 89 b0 a0 01 00 00 8b c7 e9 c7 f7 ff ff ba 9e 0x00000001800e0a9f: 00 00 00 4c 8d 0d a7 c7 0e 00 b9 14 00 00 00 44 Register to memory mapping: RAX=0x0000000000000000 is an unknown value RBX=0x000000002c5a69a0 is an unknown value RCX=0x00000001801ccca0 is an unknown value RDX=0x00000000fffffff0 is an unknown value RSP=0x000000002d94e190 is pointing into the stack for thread: 0x0000000024278800 RBP=0x0000000000000009 is an unknown value RSI=0x0000000000000017 is an unknown value RDI=0x00000000ffffffff is an unknown value R8 =0x0000000000000006 is an unknown value R9 =0x000000000000004b is an unknown value R10=0x0000000000000007 is an unknown value R11=0x00000000ffffffff is an unknown value R12=0x000000002c4971c6 is an unknown value R13=0x00000000299b21c0 is an unknown value R14=0x0000000000000000 is an unknown value R15=0x0000000000000000 is an unknown value Stack: [0x000000002d850000,0x000000002d950000], sp=0x000000002d94e190, free space=1016k Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code) C [tcnative-1.dll+0xe0a8f] C [tcnative-1.dll+0xe5c2e] C [tcnative-1.dll+0x104bc] C [tcnative-1.dll+0x56ff] C 0x0000000002cbc5a5 Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) J 7660 org.apache.tomcat.jni.Socket.sendb(JLjava/nio/ByteBuffer;II)I (0 bytes) @ 0x0000000002cbc51f [0x0000000002cbc4c0+0x5f] J 12795 C2 org.apache.tomcat.util.net.AprEndpoint$AprSocketWrapper.doWrite(ZLjava/nio/ByteBuffer;)V (242 bytes) @ 0x00000000043caef0 [0x00000000043cac80+0x270] J 15975 C2 org.apache.coyote.http2.Http2UpgradeHandler.writeBody(Lorg/apache/coyote/http2/Stream;Ljava/nio/ByteBuffer;IZ)V (218 bytes) @ 0x0000000003c10ba0 [0x0000000003c10680+0x520] J 12532 C2 java.io.BufferedOutputStream.write([BII)V (67 bytes) @ 0x0000000004301c3c [0x0000000004300940+0x12fc] J 18229 C2 com.m2000.shop.controllers.DefaultController.image(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljavax/servlet/http/HttpServletResponse;Ljavax/servlet/http/HttpServletRequest;)V (1129 bytes) @ 0x000000000535b604 [0x0000000005358ac0+0x2b44] J 18326 C2 sun.reflect.GeneratedMethodAccessor117.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object; (98 bytes) @ 0x000000000444a64c [0x000000000444a560+0xec] J 17923 C2 org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(Lorg/springframework/web/context/request/NativeWebRequest;Lorg/springframework/web/method/support/ModelAndViewContainer;[Ljava/lang/Object;)Ljava/lang/Object; (148 bytes) @ 0x0000000005241df8 [0x00000000052419c0+0x438] J 16267 C2 org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Lorg/springframework/web/method/HandlerMethod;)Lorg/springframework/web/servlet/ModelAndView; (328 bytes) @ 0x0000000003bc3cc0 [0x0000000003bc2b00+0x11c0] J 15842 C2 org.springframework.web.servlet.DispatcherServlet.doDispatch(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V (594 bytes) @ 0x0000000004c4a6d4 [0x0000000004c49a00+0xcd4] J 15824 C2 org.springframework.web.servlet.DispatcherServlet.doService(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V (360 bytes) @ 0x00000000042e6e78 [0x00000000042e65c0+0x8b8] J 15862 C2 javax.servlet.http.HttpServlet.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V (269 bytes) @ 0x0000000004c82c0c [0x0000000004c80e00+0x1e0c] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427e388 [0x000000000427dba0+0x7e8] J 15472 C2 org.apache.tomcat.websocket.server.WsFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V (139 bytes) @ 0x0000000001f5b5f4 [0x0000000001f5b5a0+0x54] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427dd34 [0x000000000427dba0+0x194] J 15782 C2 com.m2000.shop.filters.ThreadLocalFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V (26 bytes) @ 0x00000000021ee660 [0x00000000021ee480+0x1e0] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427dd34 [0x000000000427dba0+0x194] J 16058 C2 com.m2000.shop.filters.RedirectFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V (290 bytes) @ 0x0000000004046ac0 [0x0000000004046480+0x640] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427dd34 [0x000000000427dba0+0x194] J 15816 C2 com.m2000.shop.filters.CacheFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V (106 bytes) @ 0x0000000003ad14d4 [0x0000000003ad0f20+0x5b4] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427dd34 [0x000000000427dba0+0x194] J 18379 C2 org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;Ljavax/servlet/FilterChain;)V (79 bytes) @ 0x00000000053330ec [0x0000000005332ea0+0x24c] J 12161 C2 org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ljavax/servlet/ServletRequest;Ljavax/servlet/ServletResponse;)V (388 bytes) @ 0x000000000427dd34 [0x000000000427dba0+0x194] J 15812 C2 org.apache.catalina.core.StandardWrapperValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V (1306 bytes) @ 0x000000000441ed08 [0x000000000441ea40+0x2c8] J 16053 C2 org.apache.catalina.authenticator.AuthenticatorBase.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V (821 bytes) @ 0x0000000004076e24 [0x0000000004076320+0xb04] J 15807 C2 org.apache.catalina.core.StandardHostValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V (382 bytes) @ 0x0000000003dd2ba0 [0x0000000003dd2880+0x320] J 15779 C2 org.apache.catalina.core.StandardEngineValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V (77 bytes) @ 0x0000000003dee714 [0x0000000003dee540+0x1d4] J 15814 C2 org.apache.catalina.valves.CrawlerSessionManagerValve.invoke(Lorg/apache/catalina/connector/Request;Lorg/apache/catalina/connector/Response;)V (594 bytes) @ 0x00000000044172d8 [0x00000000044170c0+0x218] J 15701 C2 org.apache.catalina.connector.CoyoteAdapter.service(Lorg/apache/coyote/Request;Lorg/apache/coyote/Response;)V (892 bytes) @ 0x0000000003d179dc [0x0000000003d16f40+0xa9c] J 14916 C2 org.apache.coyote.AbstractProcessorLight.process(Lorg/apache/tomcat/util/net/SocketWrapperBase;Lorg/apache/tomcat/util/net/SocketEvent;)Lorg/apache/tomcat/util/net/AbstractEndpoint$Handler$SocketState; (248 bytes) @ 0x0000000004141eb8 [0x0000000004141d20+0x198] J 16392 C2 org.apache.coyote.http2.StreamRunnable.run()V (12 bytes) @ 0x0000000004d5b794 [0x0000000004d5b5e0+0x1b4] j java.util.concurrent.ThreadPoolExecutor.runWorker(Ljava/util/concurrent/ThreadPoolExecutor$Worker;)V+95 j java.util.concurrent.ThreadPoolExecutor$Worker.run()V+5 j org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run()V+4 J 14749 C1 java.lang.Thread.run()V (17 bytes) @ 0x00000000049d22c4 [0x00000000049d2180+0x144] v ~StubRoutines::call_stub -- You are receiving this mail because: You are the assignee for the bug. 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