Re: ClassCastException and Server Crash when using MruCacheStorage

BTW, this is the only stack trace we were able to capture as of March 19th. 




________________________________
From: Ram Palagummi <[email protected]>
To: Attila Szegedi <[email protected]>; FreeMarker-user 
<[email protected]>
Cc: [email protected]
Sent: Tue, March 22, 2011 9:25:11 AM
Subject: Re: [FreeMarker-user] ClassCastException and Server Crash when using 
MruCacheStorage


Hi Attila,

Please see below the error messages. It seems evident that the error is caused 
due to MruCacheStorage access for a template. Please let me know if there is 
anything I can provide to help you. 


After getting these message for a while, we are forced to restart the servers.

2011-03-19 00:31:22,135 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:23,300 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19  00:31:24,943 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:25,623 ERROR com.emc.oneemc.web.filter.URLProcessingFilter - 
method: getLocaleForDomain()
message: Locale not exist for domain :www.informationwatch.net....... Setting to 
US locale
2011-03-19 00:31:25,639 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:26,244 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException:  freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:26,759 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:26,814 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
2011-03-19 00:31:26,954 ERROR com.emc.oneemc.web.view.EMCFreemarkerView - 
method: renderMergedTemplateModel
message: ERROR while processing freemarker template: 
java.lang.ClassCastException: freemarker.cache.MruCacheStorage$MruReference
<Mar 19, 2011 12:31:27 AM EDT> <Alert> <WebLogicServer> <BEA-000396> <Server 
shutdown has been requested by weblogic> 

<Mar 19, 2011 12:31:27 AM EDT>  <Notice> <WebLogicServer> <BEA-000365> <Server 
state changed to FORCE_SUSPENDING> 

<Mar 19, 2011 12:31:28 AM EDT> <Notice> <WebLogicServer> <BEA-000365> <Server 
state changed to ADMIN> 

<Mar 19, 2011 12:31:28 AM EDT> <Notice> <WebLogicServer> <BEA-000365> <Server 
state changed to FORCE_SHUTTING_DOWN> 

<Mar 19, 2011 12:31:28 AM EDT> <Notice> <Server> <BEA-002607> <Channel "Default" 
listening on 128.221.59.51:7012 was shutdown.> 

<Mar 19, 2011 12:31:28 AM EDT> <Notice> <Server> <BEA-002607> <Channel 
"Default[1]" listening on 127.0.0.1:7012 was shutdown.> 




Thanks
Ram



________________________________
From: Attila Szegedi <[email protected]>
To: FreeMarker-user <[email protected]>
Cc: Ram Palagummi <[email protected]>
Sent: Mon, March 21, 2011 2:33:19 PM
Subject: Re: [FreeMarker-user] ClassCastException and Server Crash when using 
MruCacheStorage

Can you capture a full stack trace? 


On Mar 21, 2011, at 11:32 AM, Ram Palagummi wrote:

Hi,
>
>
>I am an architect from EMC corporation and we have been using FreeMarker for 
>rendering our emc.com and few other application web pages. We deployed 
>new EMC.com towards the end of 2007 and the FreeMarker version we went live with 
>is 2.3.10.
>
>
>We have been noticing that anytime  MruCacheStorage (strong = 0 and soft=500 or 
>any other settings) is turned on for template caching, we are getting the 
>following error and the servers have to be bounced in order to fix the problem. 
>
>
>ERROR while processing freemarker  template:java.lang.CLassCastException : 
>freemarker.cache.MruCacheStorage$MruReference.
>
>
>Additionally, we are seeing the intermittent 404 issues when freemarker is 
>trying to load template from its cache causing panic within our user community. 
>
>
>Its critical that we resolve this issue right away. Please let us know if this 
>is a known issue and has a fix. 
>
>
>Thanks
>Solution Architect 
>EMC  Corporation

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