dhis2-devs team mailing list archive

[Lars Helge Øverland <lars@xxxxxxxxx>]

Hi Olav,

this warning comes from a cache-related setting in Tomcat 8.5 having a
quite low default value. You can adjust it by including this in
tomcat/conf/context.xml:

<Resources cachingAllowed="true" cacheMaxSize="100000" />

The crash might come from something else.

Lars






On Mon, Dec 5, 2016 at 7:28 PM, Olav Poppe <olav.poppe@xxxxxx> wrote:

> Hi devs, we're having som problems woth a 2.24 instance that crashes. This
> is what we find in the logs (below) - the warning repeats itself until
> tomcat crashes. Any advice?
>
> Regards
> Olav
>
>
> * INFO  2016-12-05 13:08:02,235 'lamin' update org.hisp.dhis.program.ProgramInstance,
> uid: vACQtdeeQ11 (AuditLogUtil.java [tomcat-http-10])
> * WARN  2016-12-05 13:08:31,680 The configured limit of 1,000 object
> references was reached while attempting to calculate the size of the object
> graph. Severe performance degradation could occur if the sizing operation
> continues. This can be avoided by setting the CacheManger or Cache
> <sizeOfPolicy> elements maxDepthExceededBehavior to "abort" or adding stop
> points with @IgnoreSizeOf annotations. If performance degradation is NOT an
> issue at the configured limit, raise the limit value using the CacheManager
> or Cache <sizeOfPolicy> elements maxDepth attribute. For more information,
> see the Ehcache configuration documentation. (ObjectGraphWalker.java
> [tomcat-http-2])
> * WARN  2016-12-05 13:08:37,197 The configured limit of 1,000 object
> references was reached while attempting to calculate the size of the object
> graph. Severe performance degradation could occur if the sizing operation
> continues. This can be avoided by setting the CacheManger or Cache
> <sizeOfPolicy> elements maxDepthExceededBehavior to "abort" or adding stop
> points with @IgnoreSizeOf annotations. If performance degradation is NOT an
> issue at the configured limit, raise the limit value using the CacheManager
> or Cache <sizeOfPolicy> elements maxDepth attribute. For more information,
> see the Ehcache configuration documentation. (ObjectGraphWalker.java
> [tomcat-http-2])
> etc….
>
>
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-- 
Lars Helge Øverland
Lead developer, DHIS 2
University of Oslo
Skype: larshelgeoverland
lars@xxxxxxxxx
http://www.dhis2.org <https://www.dhis2.org/>