Re: mystery deaths with deployed app
Re: mystery deaths with deployed app
- Subject: Re: mystery deaths with deployed app
- From: Chuck Hill <email@hidden>
- Date: Tue, 07 Apr 2015 20:46:59 +0000
- Thread-topic: mystery deaths with deployed app
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The JVM just ending with no message is odd. Some things to consider:
- look at the system log, you might have developed a hardware problem that is causing the process to seg fault (or similar) and exit
- do you have scheduling on and something is preventing it from restarting?
- do you have some code that is calling exit() on the Runtime?
- Wonder has some code that will kill an instance if it runs out of memory (and maybe if requests take too long, I don’t recall offhand what got left in), but I would expect that to log something
- override terminate() in Application and log out a stack trace
- did you change to a different JVM? Maybe you got one with a defect?
Chuck
On 2015-04-07, 1:41 PM, "Timothy Worman" wrote:
I have an app that has been in service for a long time in various forms. Recently I deployed an updated version that has been in development in recent months. The update has been experiencing “silent” deaths every once in a while. There is nothing in the
app log that indicates any exception that may be occurring when this happens. What I do see is loads of messages in the logs re: CookieParser: Found a null cookie value in….
However, this was occurring before. Sometimes I’ll simply see a few logins that appear normal, a bunch of CookieParser errors, then the app log just ends. Maybe an exception is getting swallowed somewhere but I can’t find anything like that.
Any suggestions?
Tim Worman
UCLA GSE&IS
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