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From Ozgur Ozdemircili <ozgur.ozdemirc...@gmail.com>
Subject Tomcat current thread count
Date Fri, 25 Jun 2010 08:01:36 GMT
Hi,

In our production enviroment I have a weird problem and I am trying to
understand if / how can it be fixed.

The error is like above:
*
*
*INFO: Maximum number of threads (250) created for connector with address
null and port 8080*
*
*
*
*
*
*
*# A fatal error has been detected by the Java Runtime Environment:*
*#*
*# java.lang.OutOfMemoryError: requested 4096000 bytes for GrET in
/BUILD_AREA/jdk6_16/hotspot/src/share/vm/utilities/growableArray.cpp. Out of
swap space?*
*#*
*#  Internal Error (allocation.inline.hpp:39), pid=15074, tid=326871952*
*#  Error: GrET in
/BUILD_AREA/jdk6_16/hotspot/src/share/vm/utilities/growableArray.cpp*
*#*
*# JRE version: 6.0_16-b01*
*# Java VM: Java HotSpot(TM) Server VM (14.2-b01 mixed mode linux-x86 )*
*# An error report file with more information is saved as:*
*# /home/oracle/hs_err_pid15074.log*
*#*
*# If you would like to submit a bug report, please visit:*
*#   **http://java.sun.com/webapps/bugreport/crash.jsp*<http://java.sun.com/webapps/bugreport/crash.jsp>
*#*
*
*
*
*
*#*
*# A fatal error has been detected by the Java Runtime Environment:*
*#*
*# java.lang.OutOfMemoryError: requested 4096000 bytes for GrET in
/BUILD_AREA/jdk6_16/hotspot/src/share/vm/utilities/growableArray.cpp. Out of
swap space?*
*#*
*#  Internal Error (allocation.inline.hpp:39), pid=15074, tid=326871952*
*#  Error: GrET in
/BUILD_AREA/jdk6_16/hotspot/src/share/vm/utilities/growableArray.cpp*
*#*
*# JRE version: 6.0_16-b01*
*# Java VM: Java HotSpot(TM) Server VM (14.2-b01 mixed mode linux-x86 )*
*# An error report file with more information is saved as:*
*# /home/oracle/hs_err_pid15074.log*
*#*
*# If you would like to submit a bug report, please visit:*
*#   **http://java.sun.com/webapps/bugreport/cr*ash.jsp<http://java.sun.com/webapps/bugreport/crash.jsp>
#


The problem or the weirdness here is everytime we restart a tomcat server
this number (250) drops down until it reaches 250 again.
For example when I compare current thread count with  busy threads I see 240
current and 24 busy.

How can I have tomcat drop the current thread count? What can be done to
stop the error message above.

Thank you.


Özgür Özdemircili
http://www.acikkod.org
Code so clean you could eat off it

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