> From: Maurice Mengel [mailto:mauricemen...@gmail.com] > Subject: Re: tomcat hangs without anything > > 4) here is the output of jstack.
Everything looks pretty normal here. > "http-8080-1" daemon prio=6 tid=0x0344b000 nid=0x180c in Object.wait() > [0x03adf000] > java.lang.Thread.State: WAITING (on object monitor) > at java.lang.Object.wait(Native Method) > - waiting on <0x077d0068> (a > org.apache.tomcat.util.net.JIoEndpoint$Worker) > at java.lang.Object.wait(Object.java:485) The one above is waiting for a socket from the next connection attempt by the client. > "TP-Monitor" daemon prio=6 tid=0x03449800 nid=0x1e40 in Object.wait() The thread pool monitor, doing nothing, as usual. > "TP-Processor4" daemon prio=6 tid=0x031afc00 nid=0x13b0 runnable This one is waiting for a connection over the AJP port (8009), which you likely aren't using. > "TP-Processor3" daemon prio=6 tid=0x03441400 nid=0x1dec > "TP-Processor2" daemon prio=6 tid=0x03466400 nid=0x1db8 > "TP-Processor1" daemon prio=6 tid=0x03448400 nid=0x1f60 Idle worker threads, waiting for requests to show up. > "http-8080-Acceptor-0" daemon prio=6 tid=0x031b4c00 nid=0x173c runnable This one is waiting for a connection over the HTTP port (8080). > "ContainerBackgroundProcessor[StandardEngine[Catalina]]" daemon prio=6 > tid=0x0345d400 nid=0x18dc A normal Tomcat background thread. > "GC Daemon" daemon prio=2 tid=0x03194c00 nid=0x18f4 > "Low Memory Detector" daemon prio=6 tid=0x02ca6800 nid=0x1e00 runnable > "CompilerThread0" daemon prio=10 tid=0x02ca3800 nid=0x1c6c > "Attach Listener" daemon prio=10 tid=0x02ca2000 nid=0x1774 > "Signal Dispatcher" daemon prio=10 tid=0x02ca0c00 nid=0x1a34 runnable > "Finalizer" daemon prio=8 tid=0x02c62000 nid=0x1ea0 > "Reference Handler" daemon prio=10 tid=0x02c5d400 nid=0x19c0 Standard JVM internal threads. > "main" prio=6 tid=0x002a7400 nid=0x1528 runnable [0x0038f000] The initial Tomcat thread, waiting for a shutdown command. > "VM Thread" prio=10 tid=0x02c5bc00 nid=0x1c2c runnable > "VM Periodic Task Thread" prio=10 tid=0x02cab800 nid=0x1db4 More internal JVM threads. All looks perfectly normal for an idle Tomcat, waiting for clients to make requests. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers.
