Thanks, but <Executor> is not available in 5.5 -- at least according to the documentation.
-----Original Message----- From: Filip Hanik - Dev Lists [mailto:devli...@hanik.com] Sent: Tuesday, April 13, 2010 11:03 AM To: Tomcat Users List Subject: Re: Hung threads Looks like just idle threads, not really a problem If you want the thread pool to shrink and stop idle threads, use an <Executor> element in server.xml Filip On 04/13/2010 08:50 AM, Jeffrey Janner wrote: > Before someone asks for it: > <Connector address="172.16.27.1" port="443" maxHttpHeaderSize="8192" > maxThreads="150" minSpareThreads="5" maxSpareThreads="75" > enableLookups="false" acceptCount="100" > connectionTimeout="20000" disableUploadTimeout="true" > compression="on" > > compressableMimeType="text/html,text/xml,text/plain,text/css,text/csv,te > xt/javascript,text/rtf,text/richtext" > scheme="https" secure="true" clientAuth="false" > SSLEngine="on" > SSLCertificateFile="path_to_server.crt" > SSLCertificateKeyFile=" path_to_server.key" > SSLCertificateChainFile="path_to_server_chain.crt" > SSLPassword="changeit" /> > > -----Original Message----- > From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] > Sent: Tuesday, April 13, 2010 9:44 AM > To: Tomcat Users List > Subject: Hung threads > > I had a connector go from minimal connections (restart) to all threads > hung overnight. > > The current thread dump shows the threads as follows: > > > > "http-172.16.27.1-443-150" daemon prio=6 tid=0x66793800 nid=0xe43c in > Object.wait() [0x7063f000] > > java.lang.Thread.State: WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > - waiting on<0x1a924f00> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at java.lang.Object.wait(Object.java:485) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:125 > 5) > > - locked<0x1a924f00> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1280) > > at java.lang.Thread.run(Thread.java:619) > > > > "http-172.16.27.1-443-149" daemon prio=6 tid=0x6496d400 nid=0xe400 in > Object.wait() [0x705ff000] > > java.lang.Thread.State: WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > - waiting on<0x1a954140> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at java.lang.Object.wait(Object.java:485) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:125 > 5) > > - locked<0x1a954140> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1280) > > at java.lang.Thread.run(Thread.java:619) > > > > "http-172.16.27.1-443-148" daemon prio=6 tid=0x6496f400 nid=0xe3b0 in > Object.wait() [0x705bf000] > > java.lang.Thread.State: WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > - waiting on<0x1a8655f0> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at java.lang.Object.wait(Object.java:485) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.await(AprEndpoint.java:125 > 5) > > - locked<0x1a8655f0> (a > org.apache.tomcat.util.net.AprEndpoint$Worker) > > at > org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1280) > > at java.lang.Thread.run(Thread.java:619) > > > > and so on. Other connectors are running OK, though some also show > threads in the same state. All other threads look normal. This has one > customer's app hung, but others in the Tomcat instance are working just > fine. Any help on where to start looking here? > > > > Server Details: Windows 2000 SP4, Sun JDK 1.6.0_18, Tomcat 5.5.17, > native libs 1.1.18. > > > > Waiting for TC 5.5.29 before upgrading due to bugs with APR/SSL in > 5.5.28. > > > > Jeff > > > ******************************* NOTICE > ********************************* > This message is intended for the use of the individual or entity to > which > it is addressed and may contain information that is privileged, > confidential, and exempt from disclosure under applicable law. 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