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From "mike jackson" <mjack...@cdi-hq.com>
Subject RE: Constant out of memory error
Date Wed, 09 Apr 2003 16:46:19 GMT
Check your ulimit.  Do a ulimit -a, you might have the memory locked
down to where you can't allocate enough for Tomcat to run properly.

--mikej
-=-----
mike jackson
mjackson@cdi-hq.com

-----Original Message-----
From: cqueiroz@bompreco.com.br [mailto:cqueiroz@bompreco.com.br] 
Sent: Tuesday, April 08, 2003 5:17 AM
To: tomcat-user@jakarta.apache.org
Subject: Constant out of memory error

      Hello, we´ve been using Tomcat 4.x for three months in a test
environment, and we are experimenting constant out of memory errors (at
least three a day) forcing us to shutdown and restart catalina. We are
only
using servlets, no JSPs. In the log, there is no evidence of memory
shortage. I´ve put below our environment parameters and versions, and a
piece of catalina.out when the error occurs. Please, if someone have any
idea of what could be happening reply to me.

OS : RedHat Linux 7.2
SDK : Sun J2SE 1.4.0_03
Web Server : Apache 2.0.44 with mod_jk 1.2.2
App Server : Tomcat 4.1.18 with ajp13 jk connector (version 4.1.24 was
recently tested, but had the same error)
CATALINA_OPTS="-server -Xmx1024m -verbose:gc" (we´ve tried different max
memory values, and tried once putting 256m min value)

[Unloading class MARC1]
[Unloading class CDUSU]
[Unloading class CPT55]
[Unloading class FIS42]
[Unloading class XseedCSS]
[Unloading class CPC80]
 29886K->11797K(45452K), 0,4101124 secs]
[Full GC 16483K->13160K(45452K), 0,3962421 secs]
[Full GC 17183K->16964K(45452K), 0,3509073 secs]
[Full GC 21071K->20735K(45452K), 0,3764477 secs]
[GC 24830K->22204K(45452K), 0,0126619 secs]
[GC 26300K->22485K(45452K), 0,0106583 secs]
WebappClassLoader:   Resource '/WEB-INF/classes/CEC53.class' was
modified;
Date is now
: Tue Apr 08 09:13:43 GMT+03:00 2003 Was: Tue Apr 08 09:10:44 GMT+03:00
2003
[GC 26581K->24873K(45452K), 0,0106144 secs]
[Full GC 25246K->11802K(45452K), 0,4408197 secs]
[GC 15898K->15554K(45452K), 0,0130358 secs]
[Full GC 16013K->14296K(45452K), 0,4801130 secs]
[Full GC 17996K->17793K(45452K), 0,4413271 secs]
[Full GC 20846K->20584K(45452K), 0,5090466 secs]
[Full GC 20584K->20584K(45452K), 0,4540291 secs]
[Full GC 20585K->20572K(45452K), 0,5177755 secs]
java.lang.OutOfMemoryError
WebappClassLoader:   Resource '/WEB-INF/classes/CEC53.class' was
modified;
Date is now
: Tue Apr 08 09:17:44 GMT+03:00 2003 Was: Tue Apr 08 09:13:43 GMT+03:00
2003
[Full GC 23771K->9684K(45452K), 0,5057964 secs]
[Full GC 9685K->9685K(45452K), 0,4494867 secs]
[Full GC 9686K->7647K(44600K), 0,4976416 secs]
[Full GC 8748K->7834K(38096K), 0,4605656 secs]



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