Hmmm, That's interesting. I have yet to get into the internals of Tomcat. You're inspiring me to look, but I think someone else may be able to give you the answer to that before I will.
----- Original Message ----- From: "Ching-yu Hsueh" <[EMAIL PROTECTED]> To: "Tomcat Users List" <[EMAIL PROTECTED]> Sent: Thursday, December 19, 2002 5:10 PM Subject: Re: Why web.xml in my application runs twice when use Apache as Web Server? > Hi, Dodd: > > Sorry that I should put the pool shut down log file also. Let me put > them together as follows: > > When I start Tomcat: > Starting service Tomcat-Standalone > Apache Tomcat/4.0.3 > ##### p2_test Connection pool start on pronettest!!!! > ##### count = 1 > Starting service Tomcat-Apach > Apache Tomcat/4.0.3 > > When I start Apache: > ##### p2_test Connection pool start on pronettest!!!! > ##### count = 1 > > when I shut down Tomcat: > Stopping service Tomcat-Standalone > Pool shut down > ##### p2_test Connection pool stop on pronettest!!!! > Stopping service Tomcat-Apache > Pool shut down > ##### p2_test Connection pool stop on pronettest!!!! > > when shout down Apache: No message > > Ching-yu > > > Ching-yu Hsueh wrote: > > > I agree with you. But little starnge thing is if there are two > > seperate JVMs I should see them runing in my UNIX box right? I use 'ps > > -ef | grep java' to check this, only one java process is runing. Is > > this means only one JVM? Let me print out the log file as follows and > > see if you can have more idea about the problem. > > > > When I start Tomcat: > > Starting service Tomcat-Standalone > > Apache Tomcat/4.0.3 > > ##### p2_test Connection pool start on pronettest!!!! > > ##### count = 1 > > Starting service Tomcat-Apach > > Apache Tomcat/4.0.3 > > > > When I start Apache: > > ##### p2_test Connection pool start on pronettest!!!! > > ##### count = 1 > > > > Thanks! > > > > Ching-yu > > > > > > Dodd Gatsos wrote: > > > >> Well, my problem was with the servlet's init method being called > >> every time > >> the servlet was called. Old WebSphere 2.0 problem. > >> > >> If your static counters are not being incremented then that suggests > >> that > >> your "two" servlets are being instantiated in two seperate JVMs. > >> > >> It almost sounds as if you are starting Tomcat through Apache and also > >> starting Tomcat as stand-alone as well. > >> > >> ----- Original Message ----- > >> From: "Ching-yu Hsueh" <[EMAIL PROTECTED]> > >> To: <[EMAIL PROTECTED]> > >> Sent: Thursday, December 19, 2002 3:41 PM > >> Subject: Re: Why web.xml in my application runs twice when use Apache > >> as Web > >> Server? > >> > >> > >> > >> > >>> Dood idea! Dodd. > >>> > >>> I tried as you mentioned, but still starts the pool twice. The servlet > >>> to start the pool in the Init() method. I had a static boolean variable > >>> to check if the pool is already exists and another static counter to > >>> check how many times my Init() method get called. It looks like that > >>> the > >>> servelet get called twice, so the Init() method get called once in each > >>> servlet call. The static boolean varaiable are in the same status and > >>> the static count has the same number in two servlet calls. I really > >>> don't understand why? Will you please tell me in more detail how you > >>> solve this problem in your environment? Your great help is highly > >>> appreciated. > >>> > >>> Thanks! > >>> > >>> Ching-yu > >>> > >>> Dodd Gatsos wrote: > >>> > >>> > >>> > >>>> The servlet is starting the ConnectionPool in the Init() method? > >>>> > >>>> It may be calling the Init method twice. Don't know why this might be > >>>> happening, but you may try to set a static boolean condition around > >>>> the > >>>> creation of the ConnectionPool and set it to false inside. That > >>>> way if > >>>> > >>> > >> it > >> > >> > >>>> gets called twice it won't re-run. I've had to do this inside Init() > >>>> methods in WebSphere. > >>>> > >>>> > >>>> Dodd > >>>> > >>>> ----- Original Message ----- > >>>> From: "Ching-yu Hsueh" <[EMAIL PROTECTED]> > >>>> To: <[EMAIL PROTECTED]> > >>>> Sent: Thursday, December 19, 2002 9:58 AM > >>>> Subject: Why web.xml in my application runs twice when use Apache > >>>> as Web > >>>> Server? > >>>> > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>> Hi, > >>>>> > >>>>> I have a servlet to start the ConnectionPool, which I wrote and > >>>>> registered it in web.xml of my application. I set the > >>>>> <load-on-startup>. > >>>>> So, the ConnectionPool should be started when Tomcat starts. > >>>>> > >>>>> My question is when Tomcat used as stand-alone, the ConnectionPool > >>>>> started once. But when Apache was used as Web Server, the > >>>>> ConnectionPool > >>>>> starts twice: once at the time to start Tomcat, the other one at the > >>>>> time to start Apache. Therefore, the number of Connections doubled. I > >>>>> doubt may be two web servers were used: Tomcat mini Web server and > >>>>> Apache Web server. So, I comment out the port 8080 connector in > >>>>> server.xml. But ConnectionPool still started twice. It looks like > >>>>> that > >>>>> web.xml run twice. Is any one can tell me when use Apache as Web > >>>>> Server > >>>>> how can run web.xml only once? > >>>>> > >>>>> Any help to this question shall be highly appreciated. > >>>>> > >>>>> Ching-yu Hsueh > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> -- > >>>>> To unsubscribe, e-mail: > >>>>> > >>>>> > >>>>> > >>>> > >>>> <mailto:[EMAIL PROTECTED]> > >>>> > >>>> > >>>> > >>>> > >>>>> For additional commands, e-mail: > >>>>> > >>>>> > >>>>> > >>>> > >>>> <mailto:[EMAIL PROTECTED]> > >>>> > >>>> > >>>> > >>>> > >>>> -- > >>>> To unsubscribe, e-mail: > >>>> > >>> > >> <mailto:[EMAIL PROTECTED]> > >> > >> > >>>> For additional commands, e-mail: > >>>> > >>> > >> <mailto:[EMAIL PROTECTED]> > >> > >> > >>>> > >>>> > >>>> > >>>> > >>> > >>> > >> > >> > >> > >> -- > >> To unsubscribe, e-mail: > >> <mailto:[EMAIL PROTECTED]> > >> For additional commands, e-mail: > >> <mailto:[EMAIL PROTECTED]> > >> > >> > >> > >> > >> > > > > > > > > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:[EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
