You may want to check the postings from earlier this week (i've already deleted mine ). but I'm remembering posts about pooling problems with jdk1.4.
marty > -----Original Message----- > From: Chris Newland [mailto:[EMAIL PROTECTED]] > Sent: Thursday, March 28, 2002 1:42 PM > To: [EMAIL PROTECTED] > Subject: RE: Update on my problem > > > Hi Jeremy, > > Your XSP page looks fine to me and if it is working without > pooling then I'm starting to think that a bug may have been > introduced into the latest database code. > > My best suggestion would be to download the latest release > version of Cocoon > (2.0.2) and try your XSP page on that. Also, double check > your cocoon.xconf and web.xml for typos. Maybe check that > MySQL is running and do mysqladmin -version to get the query > count to see if any queries are making it to the DB. > > Best Regards, > > Chris > > > > > -----Original Message----- > > From: Jeremy Beeler [mailto:[EMAIL PROTECTED]] > > Sent: 28 March 2002 18:12 > > To: [EMAIL PROTECTED] > > Subject: Re: Update on my problem > > > > > > Chris, > > Thanks again for all the help. > > > > trust me, i'm not pushing the envelope by design, it's just > these are > > the versions that i've gotten the farthest with in terms of getting > > things working. i've never had db pooling working, in fact > this past > > week or so has been my > > first venture into cocoon for any other use than classroom theory. > > the exception is generated when i try to run my test.xsp. cocoon > > loads fine > > otherwise. > > > > here is my code from the test.xsp > > > > <?xml version="1.0" encoding="ISO-8859-1"?> > > <xsp:page language="java" xmlns:xsp="http://apache.org/xsp"; > > xmlns:esql="http://apache.org/cocoon/SQL/v2";> > > <page> > > <title>A Database Driven XSP Page to Test</title> > > <content> > > <esql:connection> > > <!--if the pool is commented out and the non-pooled > instantiation is > > used it works fine--> > > <esql:pool>tester</esql:pool> > > > > <!--this is commented out. if left in and pool is commented > out this > > works fine <esql:driver>org.gjt.mm.mysql.Driver</esql:driver> > > <esql:dburl>jdbc:mysql://localhost:3306/tester</esql:dburl> > > <esql:username>login</esql:username> > > <esql:password>pass</esql:password> > > --> > > > > <esql:execute-query> > > <esql:query>select * from operator</esql:query> > > <esql:results> > > <esql:row-results> > > <para> > > <esql:get-string column="Name"/> > > </para> > > <esql:get-columns/> > > </esql:row-results> > > </esql:results> > > </esql:execute-query> > > </esql:connection> > > </content> > > </page> > > </xsp:page> > > > > For some reason when using the pool it will throw that > exception, but > > if i just instantiate a connection in the xsp if generates > the desired > > output just fine. the only problem is, i really need to use pooling. > > > > thanks again. > > > > Jeremy > > > > ----- Original Message ----- > > From: "Chris Newland" <[EMAIL PROTECTED]> > > To: <[EMAIL PROTECTED]> > > Sent: Thursday, March 28, 2002 12:39 PM > > Subject: RE: Update on my problem > > > > > > > Hi, > > > > > > In my root.log file I have > > > > > > DEBUG (2002-03-26) 15:17.37:230 [root ] (Unknown-URI) > > > Unknown-thread/Coco > > > onServlet: Trying to load class: org.gjt.mm.mysql.Driver > > > > > > Thats the only log file reference I get to my DB driver > and I have > > > no problems with DB pooling. > > > > > > I'm using Cocoon 2.0 final, Tomcat 4.0 final, JDK1.3.1_01 but it > > > looks > > like > > > you're pushing the envelope when it comes to latest versions ;) > > > > > > Have you had DB pooling working with earlier versions of Cocoon > > / Tomcat / > > > JDK? > > > > > > Does your exception occur when Cocoon tries to start, or when > > the XSP page > > > is accessed? > > > > > > Can you post a snippet of your XSP page? > > > > > > Thanks, > > > > > > Chris > > > > > > > > > > -----Original Message----- > > > > From: Jeremy Beeler [mailto:[EMAIL PROTECTED]] > > > > Sent: 28 March 2002 17:08 > > > > To: [EMAIL PROTECTED] > > > > Subject: Re: Update on my problem > > > > > > > > > > > > yes and in my access log it says trying to load and the driver > > > > name. i don't know if this means it failed or it loaded ok. is > > > > there any way to tell if it > > > > is loaded ok? and if it is loaded ok does the pool know > to use that > > driver > > > > by default? > > > > > > > > thanks for your help. > > > > > > > > Jeremy > > > > > > > > ----- Original Message ----- > > > > From: "Chris Newland" <[EMAIL PROTECTED]> > > > > To: <[EMAIL PROTECTED]> > > > > Sent: Thursday, March 28, 2002 11:28 AM > > > > Subject: RE: Update on my problem > > > > > > > > > > > > > Hi Jeremy, > > > > > > > > > > Have you added your database driver info to your > > WEB-INF/web.xml file? > > > > > > > > > > ------------- > > > > > cocoon.xconf: > > > > > ------------- > > > > > > > > > > <datasources> > > > > > <jdbc name="tester"> > > > > > <pool-controller min="5" max="10"/> > > > > > <dburl>jdbc:mysql://localhost:3306/tester</dburl> > > > > > <auto-commit>true</auto-commit> > > > > > <user>login</user> > > > > > <password>pass</password> > > > > > </jdbc> > > > > > </datasources> > > > > > > > > > > ---------------- > > > > > WEB-INF/web.xml: > > > > > ---------------- > > > > > > > > > > <!-- > > > > > This parameter is used to list classes that > should be loaded > > > > > at initialization time of the servlet. > > > > > Usually this classes are JDBC Drivers used > > > > > --> > > > > > <init-param> > > > > > <param-name>load-class</param-name> > > > > > <param-value> > > > > > <!-- For IBM WebSphere: > > > > > com.ibm.servlet.classloader.Handler --> > > > > > > > > > > <!-- For Database Driver: --> > > > > > org.gjt.mm.mysql.Driver > > > > > </param-value> > > > > > </init-param> > > > > > > > > > > > > > > > Hope this helps, > > > > > > > > > > Regards, > > > > > > > > > > Chris > > > > > > > > > > > > > > > -----Original Message----- > > > > > From: Jeremy Beeler [mailto:[EMAIL PROTECTED]] > > > > > Sent: 28 March 2002 16:14 > > > > > To: [EMAIL PROTECTED] > > > > > Subject: Update on my problem > > > > > > > > > > > > > > > I am using j2sdk1.4.0, tomcat 4.0.4b2LE, mm.mysql-2.0.11 or > > > > mm.mysql-2.0.7 > > > > > (tried both), and cocoon 2.0.3-dev. > > > > > > > > > > Update on my problem: > > > > > > > > > > I can query the database now by instantiating a connection in > > > > my xsp app. > > > > > however, the app that i am writing needs to use the pooling > > capabilities > > > > to > > > > > handle simultaneous access to the DB. does anyone know how to > > > > get this to > > > > > work??? i tried creating the pool with a "driver" tag in my > > cocoon.xconf > > > > but > > > > > that still generates the exception > (NoValidConnectionException: > > > > > No > > valid > > > > > JdbcConnection class available) > > > > > > > > > > this is my code: > > > > > > > > > > <datasources> > > > > > <jdbc name="tester"> <driver>org.gjt.mm.mysql.Driver</driver> > > > > > <pool-controller min="5" max="10"/> > > > > > <dburl>jdbc:mysql://localhost:3306/tester</dburl> > > > > > <auto-commit>true</auto-commit> > > > > > <user>login</user> > > > > > <password>pass</password> > > > > > </jdbc> > > > > > </datasources> > > > > > > > > > > does anyone know if there is a mechanism that allows you to > > > > > specify > > the > > > > > driver for a pool in the cocoon.xconf? > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------- > > > > > Please check that your question has not already been > answered in > > > > > the FAQ before posting. > <http://xml.apache.org/cocoon/faqs.html> > > > > > > > > > > To unsubscribe, e-mail: > > > > > <[EMAIL PROTECTED]> > > > > > For additional commands, e-mail: > <[EMAIL PROTECTED]> > > > > > > > > > > > > > ------------------------------------------------------------------ > > > > --- > > > > Please check that your question has not already been > answered in the > > > > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > > > > > > > > To unsubscribe, e-mail: > <[EMAIL PROTECTED]> > > > > For additional commands, e-mail: > > > > <[EMAIL PROTECTED]> > > > > > > > > > > > > > > > > > > > > > -------------------------------------------------------------------- > > > - > > > Please check that your question has not already been > answered in the > > > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > > > > > > To unsubscribe, e-mail: <[EMAIL PROTECTED]> > > > For additional commands, e-mail: > <[EMAIL PROTECTED]> > > > > > > > --------------------------------------------------------------------- > > Please check that your question has not already been > answered in the > > FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> > > > > To unsubscribe, e-mail: <[EMAIL PROTECTED]> > > For additional commands, e-mail: <[EMAIL PROTECTED]> > > > > > > > > --------------------------------------------------------------------- > Please check that your question has not already been answered > in the FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> To unsubscribe, e-mail: <[EMAIL PROTECTED]> For additional commands, e-mail: <[EMAIL PROTECTED]> --------------------------------------------------------------------- Please check that your question has not already been answered in the FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> To unsubscribe, e-mail: <[EMAIL PROTECTED]> For additional commands, e-mail: <[EMAIL PROTECTED]>
