Hello,
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Jan,
On 11/18/11 10:35 AM, Jan Vávra wrote:
is there any way how to tell tomcat: Recycle after X minutes OR Y
requests like it is eg. on the IIS server?
Tomcat does not come with any mechanism for doing that. IIS has hacks to
work-around horrible programming; Tomcat has some workarounds
(ThreadLocal purging, etc.) but generally not.
As I wrote I think I'd would be a good enhancement of Tomcat.
If I add my own script containing "/etc/init.d/tomcat restart" to
the crontab I loose the user sessions and users have to relogin.
Then you need to fix your app. Unless you have changed the default,
Tomcat will persist sessions across restarts. This doesn't work if your
webapp puts non-serilizable objects into the session. Remember, just
marking a class as "implements Serializable" might not be enough.
Thanks for a good hint. It works.
I experience some problems with OutOfMemory error.
Fix your webapp.
On tomcat I run a periodic thread that downloads CRLs and I
suspect this of memory leaks.
Certificate Revocation Lists? What do you do with them?
Why just guess at the cause of your memory leak when you can fairly
easily look at the objects that are taking up lots of room? Get a memory
profiler and take a look.
If you want to validate a certificate that is outdated but comes with a
timestamp, you need to have a historical crl to judge whether the cert
was or wasn't revoked during it's validity period. Some authorities are
deleting outdated certs from their crl.
Jan
I consider to cut out this to a standalone process called via
crontab.
That would be my preference. I believe timer threads have no business
running inside a servlet container, but there are many who disagree
with me.
- -chris
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