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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=12322 Port *.8080 in LISTEN state after tomcat shutdown Summary: Port *.8080 in LISTEN state after tomcat shutdown Product: Tomcat 4 Version: 4.0.4 Final Platform: Sun OS/Version: Solaris Status: NEW Severity: Critical Priority: Other Component: Catalina AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] After shutting down tomcat with $CATALINA_HOME/bin/shutdown.sh, netstat shows that port *.8080 is in LISTEN state. This means that tomcat cannot be restarted until some kind of timeout occurs (around 10-15 minutes). Tomcat throws an IOException from HttpConnector/../DefaultServerSocketFactory (the one in catalina/net in catalina.jar) upon startup until the timeout occurs. I have verified that there is no "java" process running (using "ps -ef" and "/usr/ucb/ps auxww"). There is no service for 8080 defined in /etc/services (inetd paranoia). This is with jakarta-tomcat-4.0.4-LE-jdk14, j2sdk1.4.0_01, Solaris 2.8, two CPU Sun server. I cannot reproduce the problem with a simple C program or a simple Java program; in both cases, ports go to TIME_WAIT state upon application exit. Setting SO_REUSEADDR in the C program allows it to be restarted (and the bind to succeed). It seems that Java sockets set SO_REUSEADDR by default, under Solaris at least. My understanding is that for a port to be in LISTEN state, there must be a process (or kernel?) thread running that is bound to the port. My instinctive feeling is there is a JRE thread running that is waiting to GC the tomcat ServerSocket object, but I cannot see any such process. I can't reproduce it, and I've tried calling System.gc() (desperatation!). The issue makes no sense to me. -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
