Have you tried swapping out your memory?  It might be corrupt.

Steve

----- Original Message ----- 
From: "Bert Dawson" <[EMAIL PROTECTED]>
To: "CF-Server" <[email protected]>
Sent: Monday, January 10, 2005 12:41 PM
Subject: stability


> I've got a couple of servers running enterprise and they keep crashing.
> Usually they restart themselves, and the only downside is everyone
> losing sessions, and delayMS and CPU go through the roof for a minute
> or two.
> Looking at memory usage and CPU they seem to be fine: CPU around
> 10-20%, using 1.4gb memory being used on a 4gb box.
> When it crashes the most common error reported is , and the stacktrace
> is an empty array.
> Sometimes it trows a few errors over the course of a few minutes,
> while serving the same page with no errors. In other words, its
> possible to go to a page, press refresh, and sometimes get an error,
> other times not. When an error other than
> java.lang.NullPointerException is reported it is always a non-sense
> error, by which I mean it cannot be true. For example it will complain
> about a recordset not having a particular column, but from the code
> point of vieww the column *is* there, and the same request is
> processed successfully most of the time.
>
> I'm guessing that there is some underlying problem with Jrun/jvm, but
> am at a loss as to where to look next.
>
> Both are win2k running CFMX6.1 with updater.
> One has 3.75GB RAM, with dual Xeon 3.06GHz, and the other 1GB RAM with
> dual Xeon 2.40GHz.
> Both boxes are running the same application, though there are slight
> differences in that certain features will be slightly different.
> The Db is on a separate box, SQLserver2k, dual xeon 3.2GHz, 4GB RAM.
> (using 2GB, and bubbling around 20% CPU).
>
> We've been logging metrics for a while, and although they crash more
> often when under load, there doesn't seem to be anything going wrong
> immediately rpior to a crash/restart.
>
> Any pointers as to what to look for and where to go next would be very
> much appreciated, and incase its any use, here's a couple of lines
> from the cfusion-event.log just before it crashed earlier today.
>
> 10/01 14:42:15 metrics
> jrpp.listenTh=1 jrpp.idleTh=19 jrpp.delayTh=0 jrpp.busyTh=3 
> jrpp.totalTh=23 jrpp.delayRq=134 jrpp.droppedRq=0 jrpp.handledRq=400 
> jrpp.handledMs=140979 jrpp.delayMs=15 jrpp.bytesIn=399457 
> jrpp.bytesOut=11436820 freeMemory=306523 totalMemory=882624 sessions=51 
> sessionsInMem=51 scheduler.listenTh=12 scheduler.idleTh=0 
> scheduler.delayTh=0 scheduler.busyTh=1 scheduler.totalTh=13 
> scheduler.delayRq=0 scheduler.droppedRq=0 scheduler.delayMs=0
> 10/01 14:43:15 metrics
> jrpp.listenTh=1 jrpp.idleTh=19 jrpp.delayTh=0 jrpp.busyTh=3 
> jrpp.totalTh=23 jrpp.delayRq=107 jrpp.droppedRq=0 jrpp.handledRq=399 
> jrpp.handledMs=134817 jrpp.delayMs=0 jrpp.bytesIn=396272 
> jrpp.bytesOut=11027498 freeMemory=322098 totalMemory=882624 sessions=74 
> sessionsInMem=74 scheduler.listenTh=12 scheduler.idleTh=0 
> scheduler.delayTh=0 scheduler.busyTh=1 scheduler.totalTh=13 
> scheduler.delayRq=0 scheduler.droppedRq=0 scheduler.delayMs=0
> 10/01 14:44:15 metrics
> jrpp.listenTh=1 jrpp.idleTh=18 jrpp.delayTh=0 jrpp.busyTh=4 
> jrpp.totalTh=23 jrpp.delayRq=85 jrpp.droppedRq=0 jrpp.handledRq=405 
> jrpp.handledMs=167584 jrpp.delayMs=0 jrpp.bytesIn=399513 
> jrpp.bytesOut=10235531 freeMemory=333136 totalMemory=882624 sessions=95 
> sessionsInMem=95 scheduler.listenTh=12 scheduler.idleTh=0 
> scheduler.delayTh=0 scheduler.busyTh=1 scheduler.totalTh=13 
> scheduler.delayRq=0 scheduler.droppedRq=0 scheduler.delayMs=0
>
> TIA
> Bert
>
> 

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