jdbc on tomcat

[curwen]

Hi all,
I'm experiencing a unusual problem in
Apache Tomcat/4.1
sdk:1.4.1_03-b02
Linux 2.4.20-8 i386

I've got an application running on commons-DBCP
everything seems ok:

- libs in the commons/lib folder

- datasource in the context:
<Resource name="jdbc/devel4_minePooledDS" scope="Shareable"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/devel4_minePooledDS">
<parameter>
<name>url</name>
<value>jdbc:oracle:thin:@10.10.45.4:1521:orlx</value>
</parameter>
<parameter>
<name>driverClassName</name>
<value>oracle.jdbc.driver.OracleDriver</value>
</parameter>
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
<name>maxIdle</name>
<value>30000</value>
</parameter>
<parameter>
<name>maxWait</name>
<value>500</value>
</parameter>
<parameter>
<name>maxActive</name>
<value>30</value>
</parameter>
<parameter>
<name>password</name>
<value>mine</value>
</parameter>
<parameter>
<name>username</name>
<value>mine</value>
</parameter>
</ResourceParams>

- enabled in web.xml:
<resource-ref>
<description>Resource for DB connections</description>
<res-ref-name>jdbc/devel4_minePooledDS</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>

- used in this way:
InitialContext initCtx = new InitialContext();
DataSource ds =
(DataSource)initCtx.lookup("java:comp/env/jdbc/devel4_minePooledDS");
Connection conn = ds.getConnection();

- the application simply doesnt start with the following errors, not
so helpful, to be honest:

2004-05-04 09:46:06 StandardWrapperValve[action]: Allocate exception
for servlet action
javax.servlet.ServletException: Servlet.init() for servlet action
threw exception
at org.apache.catalina.core.StandardWrapper.loadServlet(Unknown
Source)
at org.apache.catalina.core.StandardWrapper.allocate(Unknown Source)
at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown
Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContextValve.invoke(Unknown
Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(Unknown
Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.valves.ErrorReportValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardEngineValve.invoke(Unknown
Source)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(Unknown
Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:536)
----- Root Cause -----
java.lang.StackOverflowError
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
at gnu.xml.pipeline.ValidationConsumer$ChildrenRecognizer.acceptElement(ValidationConsumer.java:1795)
..
.
.

I didn't find anything similar
any helop will be appreciated

thanks in advance
jc