Re: threads locking

[Daniel Gibby]

What are the benefits of the different loggers? What performance 
differences are there between them?

Daniel Gibby

Filip Hanik (lists) wrote:

you can configure it to use either the JDK logger, log4j or the System
logger,
Filip

-----Original Message-----
From: Ben Souther [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 13, 2004 3:07 PM
To: Tomcat Users List
Subject: Re: threads locking
Does Tomcat use log4j as it's context logger?   I thought it didn't?



On Tuesday 13 April 2004 01:27 pm, Filip Hanik \(lists\) wrote:
 

print to log4j instead, I assume you know print to the context log?

Filip

-----Original Message-----
From: Ben Souther [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 13, 2004 12:29 PM
To: 'Tomcat Users List'
Subject: threads locking
Has anyone else had any problems with threads locking (causing Tomcat to
hang)?
I just moved an app thats been working for over a year on Linux, win2k pro
and winXP pro up to a server running Windows 2k server
(dual 800 MHz Pentium III) and it locks up randomly.
Using tomcat 5.0.19
Sun's J2sdk 1.4.0_04
Here is a thread dump:
"http80-Processor25" daemon prio=5 tid=0x186225f0 nid=0xd10 waiting for
monitor entry [18fdf000..18f
dfd8c]
       at java.io.PrintStream.println(PrintStream.java:585)
       - waiting to lock <0x105044a0> (a java.io.PrintStream)
       at
   

org.apache.tomcat.util.log.SystemLogHandler.println(SystemLogHandler.java:2
 

7 4)
       at com.fwdco.server.ServletErrorHandler.<init>(Unknown Source)
       at com.fwdco.server.ServletErrorHandler.getInstance(Unknown
   

Source)
 

       at com.fwdco.server.HrpServlet.init(Unknown Source)
       at
   

org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1
 

0 44)
       - locked <0x107233f0> (a org.apache.catalina.core.StandardWrapper)
       at
   

org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:712)
 

       - locked <0x107233f0> (a org.apache.catalina.core.StandardWrapper)
       at
   

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.j
 

a va:187)
       at
   

org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveConte
 

x t.java:151)
       at
   

org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
 

       at

   

org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContex
 

t Valve.java:24
5)
   

--
Ben Souther
F.W. Davison & Company, Inc.
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