Java heap space

[Roy Mendelssohn]

Do this from a terminal:

ps -ef | grep tomcat


You should be able to find the ps that is running THREDDS.  Could you  
copy the entire response and email it.  It  will show the Java  
settings that were set when you launched the application.

Regards,

-Roy M.
On May 8, 2007, at 8:37 PM, Pauline Mak wrote:

> Hi Ethan,
>
> I've tried to use my test server again today, and have found that it's
> getting a Java heap space problem.  I then restarted my server and it
> can load the large dataset. However, if I refreshed the page, I get  
> the
> Java heap space problem.
>
> Ahh, I tried that restart/reload a few more times, and it seems  
> like it
> works for the first few loads, and then any large dataset will  
> result in
> the error.
>
> Having said that, if I went back through the smaller dataset, TDS will
> show smaller dataset fine.
>
> This is what I get in catalina.out:
>
> 2007-05-09T12:17:27.275 +1000 [   3495267][      97] ERROR -
> thredds.servlet.CatalogServicesServlet - doGet req
> http://ngdev.sf.utas.edu.au:8080/thredds/catalogServices? 
> catalog=http://ngdev.sf.utas.edu.au:8080/thredds/catalog/argo_csiro/ 
> catalog.xml got Exception
> java.lang.OutOfMemoryError: Java heap space
> 2007-05-09T12:17:27.294 +1000 [   3495286][      97] ERROR -
> thredds.servlet.ServletUtil - handleException
> java.lang.OutOfMemoryError: Java heap space
> java.lang.OutOfMemoryError: Java heap space
>
>
> I tried to setup the remote management thing in tomcat without  
> success,
> so I'm afraid I can't give you more details until I can get that up  
> and
> running.
>
> Cheers,
>
> -Pauline.
>
> On Mon, 2007-05-07 at 09:23 -0600, Ethan Davis wrote:
>> Hi Pauline,
>>
>> Did the cache permissions solve the problem you were having with
>> scanning directories that contain large numbers of files? Was the
>> scanning to generate a catalog or was it an aggregation?
>>
>> Ethan
>>
>> Pauline Mak wrote:
>>> HI Ethan,
>>>
>>> Yes, I've noticed that occasionally it will show an OurOfMemory  
>>> error.
>>>
>>> I'm currently running is
>>>
>>> THREDDS Data Server Version 3.14.02 Build Date = 2007-03-19 23:50:44
>>> JVM is java version "1.5.0_09"
>>> Tomcat is: 5.5
>>>
>>> Wow, the oddest thing just happened.  I noticed that catalina.out  
>>> were
>>> printing out messages saying that tomcat had problems trying to  
>>> access
>>> cache.log.  So I went in and change the ownership of all cache*  
>>> and then
>>> THREDDS was able to load those big datasets without problems.  Oops,
>>> sorry!  I should read the log more carefully!
>>>
>>> Thanks,
>>>
>>> -Pauline.
>>>
>>>
>>
>
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**********************
"The contents of this message do not reflect any position of the U.S.  
Government or NOAA."
**********************
Roy Mendelssohn
Supervisory Operations Research Analyst
NOAA/NMFS
Environmental Research Division	
Southwest Fisheries Science Center
1352 Lighthouse Avenue
Pacific Grove, CA 93950-2097

e-mail: Roy.Mendelssohn at noaa.gov (Note new e-mail address)
voice: (831)-648-9029
fax: (831)-648-8440
www: http://www.pfeg.noaa.gov/

"Old age and treachery will overcome youth and skill."



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