I inherited a Cocoon application that was written by another developer.
The developer left our company and nobody has touched this application
in 2 years.
The application uses cocoon-2.0.3.jar and runs on JDK 1.3.1
The application connects to an Oracle database and an Informix database.
The driver jar files are located in WEB-INF/lib and I am using the
"load-class" parameter in the web.xml file.
When I try to browse one of the pages in the application, I observe
a NoValidConnectionException.
How can I troubleshoot this?
It appears that the NoValidConnectionException
is thrown in
org.apache.avalon.excalibur.datasource.JdbcConnectionFactory
I downloaded the source code for JdbcConnectionFactory from apache.org
but the source file / line numbers do not appear to match the line
numbers
in the jar that I am using.
WEB-INF/lib contains this file: avalon-excalibur-vm12-20020705.jar
This appears to be a custom-built jar.
(Another roadblock is the LogKit framework. This application uses
LogKit but I am having trouble finding suitable documentation for LogKit
configuration. I want to be able to enable full DEBUG output for all
logger's.)
Here's the full stack trace:
Original exception : java.lang.RuntimeException: Could not get the
datasource
org.apache.avalon.excalibur.datasource.NoValidConnectionException: No
valid JdbcConnection class available
at
org.apache.cocoon.www.documents.ucc.label_select_asn_xsp.generate(ucc\la
bel_select_asn_xsp.java:3398)
at
org.apache.cocoon.generation.ServerPagesGenerator.generate(ServerPagesGe
nerator.java:258)
at
org.apache.cocoon.components.pipeline.CachingEventPipeline.process(Cachi
ngEventPipeline.java:250)
at
org.apache.cocoon.components.pipeline.CachingStreamPipeline.process(Cach
ingStreamPipeline.java:399)
at
org.apache.cocoon.www.sitemap_xmap.matchN102B8(www\sitemap_xmap.java:257
6)
at
org.apache.cocoon.www.sitemap_xmap.process(www\sitemap_xmap.java:1835)
at
org.apache.cocoon.www.sitemap_xmap.process(www\sitemap_xmap.java:1731)
at org.apache.cocoon.sitemap.Handler.process(Handler.java:224)
at org.apache.cocoon.sitemap.Manager.invoke(Manager.java:179)
at
org.apache.cocoon.sitemap.SitemapManager.process(SitemapManager.java:154
)
at org.apache.cocoon.Cocoon.process(Cocoon.java:575)
at
org.apache.cocoon.servlet.CocoonServlet.service(CocoonServlet.java:999)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
com.ibm.servlet.engine.webapp.StrictServletInstance.doService(ServletMan
ager.java:827)
at
com.ibm.servlet.engine.webapp.StrictLifecycleServlet._service(StrictLife
cycleServlet.java:167)
at
com.ibm.servlet.engine.webapp.IdleServletState.service(StrictLifecycleSe
rvlet.java:297)
at
com.ibm.servlet.engine.webapp.StrictLifecycleServlet.service(StrictLifec
ycleServlet.java:110)
at
com.ibm.servlet.engine.webapp.ServletInstance.service(ServletManager.jav
a:472)
at
com.ibm.servlet.engine.webapp.ValidServletReferenceState.dispatch(Servle
tManager.java:1012)
at
com.ibm.servlet.engine.webapp.ServletInstanceReference.dispatch(ServletM
anager.java:913)
at
com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.handleWebAppDispat
ch(WebAppRequestDispatcher.java:721)
at
com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.dispatch(WebAppReq
uestDispatcher.java:374)
at
com.ibm.servlet.engine.webapp.WebAppRequestDispatcher.forward(WebAppRequ
estDispatcher.java:118)
at
com.ibm.servlet.engine.srt.WebAppInvoker.doForward(WebAppInvoker.java:13
4)
at
com.ibm.servlet.engine.srt.WebAppInvoker.handleInvocationHook(WebAppInvo
ker.java:239)
at
com.ibm.servlet.engine.invocation.CachedInvocation.handleInvocation(Cach
edInvocation.java:67)
at
com.ibm.servlet.engine.srp.ServletRequestProcessor.dispatchByURI(Servlet
RequestProcessor.java:151)
at
com.ibm.servlet.engine.oselistener.OSEListenerDispatcher.service(OSEList
ener.java:317)
at
com.ibm.servlet.engine.http11.HttpConnection.handleRequest(HttpConnectio
n.java:60)
at
com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:
477)
at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:341)
at com.ibm.ws.util.CachedThread.run(ThreadPool.java:144)
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