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[bioontology-support] Annotator returning 500 error when overloaded (Could Not Annotate with Mgrep Server)

Cherie H Youn cyoun at
Tue Feb 9 11:44:51 PST 2010

Hi Trish,

I will re-write the email for Joey and expose less details since my
original response has very specific details regarding our architecture
changes and my analysis. 
I will cc you and support group.


-----Original Message-----
From: Trish Whetzel [mailto:whetzel at] 
Sent: Tuesday, February 09, 2010 8:12 AM
To: Cherie Youn
Cc: support at
Subject: Re: [bioontology-support] Annotator returning 500 error when
overloaded (Could Not Annotate with Mgrep Server)

Hi Cherie,

Can you reply to Joey and cc the support list? I'm not sure if the  
recommendation is the same as yesterday's internal email thread, ie to  
include a delay between calls since this email mentions use of  
multiple clients.


On Feb 9, 2010, at 7:28 AM, Joey Geiger wrote:

> Hello.
> I'm running some tests on the annotator, and I'm running into issues  
> when trying to annotate some text using multiple client daemons at  
> one time. Everything works for about 100-200 items, but then the  
> system begins throwing errors. I've included the text of the error  
> below.
> <?xml version="1.0" encoding="UTF-8"?>
> <errorStatus>
>  <accessedResource>/obs_hibernate/annotator</accessedResource>
>  <accessDate>2010-02-09 07:23:35.929 PST</accessDate>
>  <shortMessage>Internal Server Error</shortMessage>
>  <longMessage>Error. Could Not Annotate with Mgrep Server.</ 
> longMessage>
>  <errorCode>500</errorCode>
> </errorStatus>
> I'm not sure of the cause, but I know that I've previously been able  
> to hit the system a lot harder. Right now I'm using 5 clients, and  
> I've done multiple tests previously with 10-25 clients at one time.  
> This was on the dev server as well.
> Thank you.
> _______________________________________________
> bioontology-support mailing list
> bioontology-support at

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