Re: Web server stopped responding to requests until restart

2009-03-04 Thread viola lu
from my side, it's http server configuration limitation.After peformance tune, it works well now. On Tue, Mar 3, 2009 at 10:10 PM, Stella Lok oinvertedwo...@gmail.comwrote: Hi, After doing much testing, I am able to recreate the frozen server situation on demand. Strangely enough, it

Re: Web server stopped responding to requests until restart

2009-03-03 Thread Stella Lok
Hi, After doing much testing, I am able to recreate the frozen server situation on demand. Strangely enough, it seems like the problem is caused by my use of org.apache.commons.lang.builder.ToStringBuilder in a (non-infinite) loop. When I remove the usage, the problem disappears. I'll have to do

Web server stopped responding to requests until restart

2009-02-26 Thread Stella Lok
Hi, I am using WAS CE 2.0.0.2 with ActiveMQ 5.2.0. While doing load testing, I encountered situations when the web server (which is the Tomcat embedded in WAS CE) permanently (until restart) stopped responding to any HTTP requests (the catalina log stops logging new requests), and none of the

Re: Web server stopped responding to requests until restart

2009-02-26 Thread Stella Lok
Hi Kevan, The machine has one Xeon processor which is a dual core. I am running WAS CE on IBM JSE 5. I do have the thread dump showing the blocked MQ threads, which I have just forwarded to you, if you would like to take a look (if anyone else is interested in taking a look, please let me know)