Howdy, Yup, it's good to document, so I'm glad you did. Now if only people would search the archives before asking questions for the zillionth time, we'd be in good shape ;) Glad it's working for you.
Yoav Shapira Millennium ChemInformatics >-----Original Message----- >From: Noam Camiel [mailto:[EMAIL PROTECTED] >Sent: Monday, October 20, 2003 7:37 AM >To: Tomcat Users List >Subject: Re: tomcat jitters, then hangs - please help > >Hi folks, >A week's gone by and all seems fine. Server is stable and working >properly. >Thanks for all who helped out! Ryan, Remi Yoav and Arthur, many thanks. >It may be a good idea to document this for others who may stumble over this >problem. >All the best >Noam Camiel > >Details: >Problem: Tomcat Server becomes unresponsive to new requests after several >hours, regardless of load. >OS RH9; Tomcat 4 or 5; VM Sun or IBM (JDK 1.4) >Solve: (tcsh): setenv LD_ASSUME_KERNEL 2.2.5 > >----- Original Message ----- >From: "Shapira, Yoav" <[EMAIL PROTECTED]> >To: "Tomcat Users List" <[EMAIL PROTECTED]> >Sent: Wednesday, October 15, 2003 3:06 PM >Subject: RE: tomcat jitters, then hangs - please help > > > >Howdy, >Cool, please keep us updated ;) I want these linux questions better >documented in the list archives ;) > >Yoav Shapira >Millennium ChemInformatics > > >>-----Original Message----- >>From: Noam Camiel [mailto:[EMAIL PROTECTED] >>Sent: Wednesday, October 15, 2003 6:37 AM >>To: Euan Guttridge; Tomcat Users List >>Subject: Re: tomcat jitters, then hangs - please help >> >>Hi Euan >> >>Please note the server is now up for 48 hours strait. >>The change I've made is I've set LD_ASSUME_KERNEL to 2.2.5 >>I will update again in another 48 hours or if the server hangs, >whichever >>comes first..... >> >>Regards, >>Noam >> >>----- Original Message ----- >>From: "Euan Guttridge" <[EMAIL PROTECTED]> >>To: <[EMAIL PROTECTED]> >>Sent: Wednesday, October 15, 2003 9:42 AM >>Subject: FW: tomcat jitters, then hangs - please help >> >> >>> Hi Noam, >>> >>> I work with Ryan on tomcat issues. I would be grateful if you would >let >>me >>> know if your tomcat installation is *still* up (another 24 hours) >since >>the >>> NPTL change as below. >>> >>> >>> Regards, >>> Euan >>> >>> -----Original Message----- >>> From: Noam Camiel [mailto:[EMAIL PROTECTED] >>> Sent: 14 October 2003 14:46 >>> To: Tomcat Users List >>> Subject: Re: tomcat jitters, then hangs - please help >>> >>> >>> Hi, >>> >>> On Friday, October 10, 2003 11:09 AM "Ryan Lissack" >>> <[EMAIL PROTECTED]> wrote: >>> >>> > Remy pointed out to me previously that RH9 uses a new form of >threading >>> and >>> > based on this we have done some investigation. >>> > >>> > RH9 uses NTPL (Native POSIX Thread Library) >>> > http://www.redhat.com/docs/manuals/linux/RHL-9-Manual/release- >>notes/x86/ >>> > >>> > It is possible to revert to the older form of threading, >>"LinuxThreads", >>> by >>> > setting an environment variable, namely: >>> > LD_ASSUME_KERNEL=<kernel-version> >>> > - 2.4.1 - Linuxthreads with floating stacks >>> > - 2.2.5 - Linuxthreads without floating stacks >>> > >>> > This does not revert back to an older kernel, it just changes the >GNU C >>> > library used >http://www-106.ibm.com/developerworks/java/library/j-jtc/ >>> > >>> > We will be testing with these settings starting today and, if we >>continue >>> to >>> > have problems, we will be trying another distro. >>> >>> setting the LD_ASSUME_KERNEL variable, the server is now running over >24 >>> hours strait. >>> Still, nothing conclusive as of yet...... >>> Ryan, thanks for the information above. Do you have move information >>> regarding this configuration? do you still encounter problems? >>> >>> >>> On Monday, October 13, 2003 9:59 PM "Joe Zendle" >><[EMAIL PROTECTED]> >>> wrote: >>> >>> > We had the same problem w/ TC 4.1.27, sun jvm 1.4.2 and redhat 9. >The >>> > thing wouldn't work for more than about 12 hours. IMHO, there are >some >>> > fundamental problems with tomcat as of late. Hate to say it but we >>> > solved the problem by throwing away tomcat and using jetty! We are >very >>> > pleased so far. Jetty is very fast and about 1/3 the memory >footprint. >>> > >>> > Good luck. >>> >>> >>> Hi Joe, >>> Thanks for sharing the info, I am considering what you suggest as >well. >>> As a last try before moving away from Tomcat, I'm trying out the >>suggestion >>> from Ryan above. >>> Regards, >>> Noam. >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [EMAIL PROTECTED] >>> For additional commands, e-mail: [EMAIL PROTECTED] >> >> >>--------------------------------------------------------------------- >>To unsubscribe, e-mail: [EMAIL PROTECTED] >>For additional commands, e-mail: [EMAIL PROTECTED] > > > > >This e-mail, including any attachments, is a confidential business >communication, and may contain information that is confidential, >proprietary >and/or privileged. This e-mail is intended only for the individual(s) to >whom it is addressed, and may not be saved, copied, printed, disclosed or >used by anyone else. 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