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Hello,
I am facing strange issue with my ZK 6.5.4 application running on WebLogic Server 12c. From time to time the ZK application gets “stuck”, which is manifested by exactly 1 minute long HTTP 200 response from the server regardless on browser used. On the server side all looks fine, no sign of an issue in logs or even in memory dump. Server even runs at the same time another ZK 6.5.4 application with no such issue ever occurred. This issue occurs in irregular intervals, sometimes several times a day and ceases without intervention in unspecified time (about 10 minutes – 2 hours). After server restart, application works fine until next outage.
What do you think? Is there problem on WebLogic Server side or rather in ZK application?
Thanks,
Ondrej
Hello Darksu,
According to heap dump taken while it was stuck, about ¼ of 173MB is used. Disk usage was not significantly higher than usual and there was no issue with running processes either. As I wrote, there is also another ZK application deployed on server running without any similar issue.
Thank you very much,
onjo
Hello onjo,
Quite interesting.
Since it is difficult to see exactly what the problem is i would check the configuration again based on the following:
http://books.zkoss.org/wiki/ZK%20Installation%20Guide/Setting%20up%20Servers/WebLogic
And would probably try to set up a cluster to separate the applications:
http://books.zkoss.org/wiki/ZKInstallationGuide/SettingupServers/WebLogic_Cluster
Let me know how it goes.
Best Regards,
Darksu
please observe the 1 minute long request in chrome developer tool to know the time it takes on the client or server side. Please read http://books.zkoss.org/wiki/ZKDeveloper%27sReference/PerformanceMonitoring/StepbyStepTrouble_Shooting to know how to check it.
Asked: 2015-11-05 11:58:29 +0800
Seen: 50 times
Last updated: Nov 12 '15
does a specific action cause the 1 min long request or arbitrary actions?
hawk ( 2015-11-12 09:06:30 +0800 )edit