[jboss-jira] [JBoss JIRA] (WFLY-4827) Network Connection leak on client abort connection

[ https://issues.jboss.org/browse/WFLY-4827?page=com.atlassian.jira.plugin.... ] Andrea Bertolini commented on WFLY-4827: ---------------------------------------- Even with this new version the problem still persist. 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49180 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49291 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49379 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49389 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49820 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:49828 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:50192 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:50299 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:50399 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:50819 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:50894 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:51002 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:51035 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:51189 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:51231 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:51261 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:54821 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:54929 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:55574 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58436 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58439 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58451 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58480 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58487 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58494 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58510 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.57:58516 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:60991 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:61071 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:63941 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:63968 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64170 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64560 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64581 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64710 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64757 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64903 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64949 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64958 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64994 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:64999 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:65007 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:65025 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.62:65027 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:53325 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:54055 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:57166 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:57301 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:57382 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:57411 ESTABLISHED InHost 26/06/2015 9:37:06,13 TCP 192.168.55.106:8080 172.29.100.65:57413 ESTABLISHED InHost This list is connection established from server to clients in this moment. Do I need to manage in a specific way input and output stream extracted from the request and the response? Do I need to close them or flush? When connection is closed by the client with the abort method, if server tries to read or write from/to the streams, it throws an exception 2015-06-26 09:38:31,038 ERROR no-user [io.undertow.request] UT005023: Exception handling request to /intellimag/operazioniFGS.service: javax.servlet.ServletException: java.io.IOException: An existing connection was forcibly closed by the remote host at it.infolog.sce.framework.rpc.RPCServlet.processRequest(RPCServlet.java:624) at it.infolog.sce.framework.rpc.RPCServlet.doPost(RPCServlet.java:60) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:86) at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70) at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261) at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:248) at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:77) at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:167) at io.undertow.server.Connectors.executeRootHandler(Connectors.java:199) at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:761) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.io.IOException: An existing connection was forcibly closed by the remote host at sun.nio.ch.SocketDispatcher.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at org.xnio.nio.NioSocketConduit.read(NioSocketConduit.java:282) at org.xnio.conduits.AbstractStreamSourceConduit.read(AbstractStreamSourceConduit.java:51) at io.undertow.conduits.ReadDataStreamSourceConduit.read(ReadDataStreamSourceConduit.java:67) at io.undertow.conduits.ChunkedStreamSourceConduit.read(ChunkedStreamSourceConduit.java:162) at org.xnio.conduits.ConduitStreamSourceChannel.read(ConduitStreamSourceChannel.java:127) at io.undertow.channels.DetachableStreamSourceChannel.read(DetachableStreamSourceChannel.java:209) at io.undertow.server.HttpServerExchange$ReadDispatchChannel.read(HttpServerExchange.java:2090) at org.xnio.channels.Channels.readBlocking(Channels.java:294) at io.undertow.servlet.spec.ServletInputStreamImpl.readIntoBuffer(ServletInputStreamImpl.java:170) at io.undertow.servlet.spec.ServletInputStreamImpl.read(ServletInputStreamImpl.java:146) at java.util.zip.InflaterInputStream.fill(InflaterInputStream.java:238) at java.util.zip.InflaterInputStream.read(InflaterInputStream.java:158) at java.util.zip.GZIPInputStream.read(GZIPInputStream.java:117) at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2313) at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2326) at java.io.ObjectInputStream$BlockDataInputStream.readUTFBody(ObjectInputStream.java:3067) at java.io.ObjectInputStream$BlockDataInputStream.readUTF(ObjectInputStream.java:2867) at java.io.ObjectInputStream.readUTF(ObjectInputStream.java:1073) at java.io.ObjectStreamClass.readNonProxy(ObjectStreamClass.java:704) at java.io.ObjectInputStream.readClassDescriptor(ObjectInputStream.java:831) at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1602) at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371) at java.util.HashMap.readObject(HashMap.java:1396) at sun.reflect.GeneratedMethodAccessor1179.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993) at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918) at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1707) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1345) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371) at it.infolog.sce.framework.rpc.RPCServlet.processRequest(RPCServlet.java:139) ... 29 more It seems that this exception is thrown only when it recognize that client-server connection is broken. Maybe it remains stuck in write or read from/to the stream? I need to abort client connection because answer from the server is taking too long to be received. -- This message was sent by Atlassian JIRA (v6.3.15#6346)