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Re: [jetty-users] Jetty server crashes
Kapil,

java is a very safe language and there should be no way for a java program to "crash" and end up with no process running... unless the program calls System.exit(), which Jetty does not.     Thus it is possible that you have hit a JVM problem, as sometimes the JVM will segv due to a bug and crash.

I suggest making sure your operating system is up to date with latest patches and checking your JVM is a recent stable release.

If it still happens, you need to capture how it failed.   Perhaps the start script can log the exit code? Are there any crash files in the directory where it ran?

regards




On 10 January 2018 at 12:50, kapil gupta <kapilgupta82@xxxxxxxxx> wrote:
Greg,

Actually below things are observed:
  1. No process of jetty server running
  2. MySQL still runs
  3. CPU usage shows data fine
  4. RAM is also fine
Not sure how can we isolate if issue could be because of JVM, can you please guide on setting some parameters or moniotring them.

Thanks

On Wed, Jan 10, 2018 at 1:40 PM, Greg Wilkins <gregw@xxxxxxxxxxx> wrote:

Kapil,

I'm sorry but you've not given us enough information to say anything.  What do you mean by "crashed"?  If it is the JVM that stops, then that is not a Jetty problem.  Is there a stack trace? Is there any logging?  Is the process still running? Can any requests be served? Is the connector still listening?  Can you run with debug?  Why do you think it is jetty and not some other component?

regards



On 10 January 2018 at 05:37, kapil gupta <kapilgupta82@xxxxxxxxx> wrote:
We are using jetty server and when it is on load then the server is crashed without showing much of information.
We have also put it on JMX. The CPU usage and memory looks fine, but still Jetty server crashes. Please let me know what parameters we should look for and how can we isolate issue which is causing jetty server crash.

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jetty-users mailing list
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