2.0.2 is quite old. Try the same test with 2.0.3 or 2.1.1. S. On 14/10/05, Noam Paz <[EMAIL PROTECTED]> wrote: > > > > > Hello, > perhaps this is a problem caused by the cookie manager? > > I encounter a rather strange behaviour involving JMeter (2.0.2 on JKD > 1.4.2_05) and Tomcat (4.1.18.0). > *Sometimes* in my load test the session is being invalidated after the login. > > With low load (<= 10 Threads) the tests run without problems. > With higher loads all threads are successful with the first request (login) > but some of them (about 15%) fail in the second request because of an invalid > session. > > Investigating the requests and the responses I have concluded that > 1. In threads that perform timely adjucent logins exactly the same sessionids > are received. > 2. When these threads perform the second request, they send another > sessionid. These new sessionids differ from each other and do not belong to > any earlier thread. > > Example (simplified): > Thread sessionid in Login/Response Sessionid in > CustomerSelect/request > 1 101 101 (OK) > 2 102 102 (OK) > 3 103 500 (not OK) > 4 103 (same as in #3) 600 (not OK) > > My questions: > - What might be the cause of the identical sessionids for the different > threads? > Is it a know problem in either JMeter or Tomcat? > - Why does JMeter send a fake sessionid? > > One idea was that the concurrent logins might count as one login trial > because of the KeepAlive flag. > I have turned the KeepAlive flag from the login request off, but this did not > help. > > Does anybody have further ideas? > > Thanks in advance! > > Noam Paz > > P.S. > Of course I use the cookie manager in my testplan and do not manipulate the > sessionid in the testplan. > > Best regards / Viele Grüße > > Noam Paz > > Deutsche Bank AG > GTO CIO PCB IT/O > Sales & Advisory IT > Brokerage & Advisory > Financial Planning > > Alfred Herrhausen Allee 10a > D-65760 Eschborn > > Tel: +49-69-910-69308 > Fax: +49-69-910-68425 > Mailto:[EMAIL PROTECTED] > http://is.ds.gt.pcam.intranet.db.com > > > > -- > > Diese E-Mail enthaelt vertrauliche und/oder rechtlich geschuetzte > Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail > irrtuemlich erhalten haben, informieren Sie bitte sofort den Absender und > vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte > Weitergabe dieser Mail ist nicht gestattet. > > This e-mail may contain confidential and/or privileged information. If you > are not the intended recipient (or have received this e-mail in error) please > notify the sender immediately and destroy this e-mail. Any unauthorized > copying, disclosure or distribution of the material in this e-mail is > strictly forbidden. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
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