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From "Siemback, Chris" <Chris.Siemb...@biworldwide.com>
Subject RE: Tomcat Pool and XA datasource
Date Thu, 14 Jul 2011 11:52:14 GMT
Fabulous doc - thanks Filip!  The examples are very helpful and that's the most thorough description
of the pool options available.  I've yet to test the XA commit/rollback functionality, but
the pool itself is up now.  Thanks for your assistance, it was extremely helpful.

Cheers,

Chris

-----Original Message-----
From: Filip Hanik - Dev Lists [mailto:devlists@hanik.com] 
Sent: Wednesday, July 13, 2011 3:47 PM
To: Tomcat Users List
Subject: Re: Tomcat Pool and XA datasource

you've misconfigured it. the driverClassName would have to be a driver.
Using XA data sources needs to create the datasource for those connections first.

There is an example towards the bottom of

http://www.tomcatexpert.com/blog/2010/04/01/configuring-jdbc-pool-high-concurrency

Filip

On 7/12/2011 6:27 AM, Siemback, Chris wrote:
> Hello all,
>
> Has anyone ever been able to successfully setup an Oracle XA datasource using the newer
Tomcat Pool and running Tomcat 7?  It appears the Tomcat Pool is attempting to cast the oracle
XA data source to a java.sql.Driver - which it isn't.  This needs to be an XA datasource.
 Anyone have luck with this - no working examples that I can find?  Here's the versions/info/error:
>
> Software:
> Tomcat 7.0.16
> Tomcat Pool 1.1.0.1 http://people.apache.org/~fhanik/jdbc-pool/v1.1.0.1/apache-tomcat-jdbc-1.1.0.1-bin.zip
> Oracle 11 (ojdbc6.jar)
>
>
> Context.xml contents:
> <Resource
>                                  auth="Container"
>                                  type="javax.sql.XADataSource"
>                                  factory="org.apache.tomcat.jdbc.pool.DataSourceFactory"
>                                  driverClassName="oracle.jdbc.xa.client.OracleXADataSource"
>                                  name="jdbc/mydatabase"
>                                  username="username"
>                                  password="password"
>                                  url="jdbc:oracle:thin:@localhost:1521:XE" />
>
>
> Exception:
>
> SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [javax.servlet.ServletException:
javax.naming.NamingException: oracle.jdbc.xa.client.OracleXADataSource cannot be cast to java.sql.Driver]
with root cause
> javax.naming.NamingException: oracle.jdbc.xa.client.OracleXADataSource cannot be cast
to java.sql.Driver
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:145)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:814)
>                  at org.apache.naming.NamingContext.lookup(NamingContext.java:159)
>                  at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158)
>                  at javax.naming.InitialContext.lookup(InitialContext.java:392)
>                  at org.apache.jsp.jdbc_jsp._jspService(jdbc_jsp.java:69)
>                  at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
>                  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>                  at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419)
>                  at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:389)
>                  at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333)
>                  at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>                  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
>                  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>                  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
>                  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
>                  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
>                  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
>                  at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
>                  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
>                  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
>                  at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:286)
>                  at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:272)
>                  at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1730)
>                  at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>                  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>                  at java.lang.Thread.run(Thread.java:662)
>
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