Need Help - JBO-26000 Error on Tomcat?

I have been deploying my JDev 10.1.3 project (ADF BC) as a .war file to Tomcat 5.5.9 and running it successfully for several months successfully. Today while making code changes, I started to encounter a JBO-26000 error preventing me from running this application. I tried re-installing the ADF filters on Tomcat but this did not help.
Note! I have another project that I can still deploy and run successfully as a .war file in Tomcat, so it points to something specific to this application.
Does anyone have any suggestions? I don't know where to look for the problem?
Thanks.
**** Error Message from Web Browser:***********
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
oracle.jbo.JboException: JBO-26000: A Generic exception occurred during loading Customizations.
     oracle.jbo.uicli.mom.JUMetaObjectManager.loadFromXML(JUMetaObjectManager.java:918)
     racle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:548)
     oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:426)
     oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:359)
     oracle.jbo.uicli.mom.JUMetaObjectManager.defExists(JUMetaObjectManager.java:306)
     oracle.jbo.uicli.mom.JUMetaObjectManager.loadCpx(JUMetaObjectManager.java:548)
oracle.adf.model.servlet.ADFBindingFilter.initializeBindingContext(ADFBindingFilter.java:441)
     oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:230)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.9 logs.
******* From Tomcat Log files *************
May 17, 2006 7:01:10 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet Faces Servlet threw exception
oracle.jbo.JboException: JBO-26000: A Generic exception occurred during loading Customizations.
     at oracle.jbo.uicli.mom.JUMetaObjectManager.loadFromXML(JUMetaObjectManager.java:918)
     at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:548)
     at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:426)
     at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:359)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.defExists(JUMetaObjectManager.java:306)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.loadCpx(JUMetaObjectManager.java:548)
     at oracle.adf.model.servlet.ADFBindingFilter.initializeBindingContext(ADFBindingFilter.java:441)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:230)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
     at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
     at java.lang.Thread.run(Thread.java:595)
## Detail 0 ##
java.lang.NullPointerException
     at oracle.jbo.uicli.mom.JUApplicationDefImpl.loadDataControls(JUApplicationDefImpl.java:616)
     at oracle.jbo.uicli.mom.JUApplicationDefImpl.loadContainees(JUApplicationDefImpl.java:579)
     at oracle.jbo.mom.ContainerDefImpl.loadFromXMLFile(ContainerDefImpl.java:354)
     at oracle.jbo.uicli.mom.JUApplicationDefImpl.loadFromXMLFile(JUApplicationDefImpl.java:350)
     at oracle.jbo.uicli.mom.JUApplicationDefImpl.createAndLoadFromXML(JUApplicationDefImpl.java:531)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.loadFromXML(JUMetaObjectManager.java:886)
     at oracle.jbo.mom.DefinitionManager.loadLazyDefinitionObject(DefinitionManager.java:548)
     at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:426)
     at oracle.jbo.mom.DefinitionManager.findDefinitionObject(DefinitionManager.java:359)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.defExists(JUMetaObjectManager.java:306)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.loadCpx(JUMetaObjectManager.java:548)
     at oracle.adf.model.servlet.ADFBindingFilter.initializeBindingContext(ADFBindingFilter.java:441)
     at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:230)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
     at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
     at java.lang.Thread.run(Thread.java:595)

Thanks John!
I just solved the problem 5mins ago :)
I'm using Jdeveloper 11g (11.1.1.2.36.55.36) and Tomcat6.
The point is that it had nothing to do with tomcat jdbc setting in context.xml or server.xml files.
After deploying your application to tomcat, bc4j.xcfg is the first place to look for errors regarding connection to database.(at least in my case)

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    Symptom
    One or several database tables of the application log contain too many entries.
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    - BALHDRP(< 4.6C)
    - BALM   (< 4.6C)
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    application log,
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    performance
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    Header Data
    Release Status: Released for Customer
    Released on: 04.08.2005  13:55:45
    Master Language: German
    Priority: Recommendations/additional info
    Category: Consulting
    Primary Component: BC-SRV-BAL Basis Application Log
    Affected Releases
    Software
    Component Release From
    Release To
    Release And
    subsequent
    SAP_APPL 30 30F 31I  
    SAP_APPL 40 40A 40B  
    SAP_APPL 45 45A 45B  
    SAP_BASIS 46 46A 46D X
    SAP_BASIS 60 610 640 X
    Corrections Instructions
    Correction
    Instruction Valid
    from Valid
    to Software
    Component Last
    Modifcation
    158903 30F 30F SAP_APPL 16.05.2000  07:13:08
    162069 31H 45B SAP_APPL 16.05.2000  07:16:07
    Related Notes
    1009281 - LAW: Runtime error CONNE_IMPORT_WRONG_COMP_TYPE
    856006 - Mass processing saves unnecessary logs
    737696 - Add. info on upgrade to SAP R/3 Enterprise 4.70 Ext. 2 SR1
    706478 - Preventing Basis tables from increasing considerably
    637683 - Add info about upgrade to SAP R/3 Enterprise Core 4.70 Ext 2
    587896 - Add. info on upgrade to SAP R/3 Enterprise Core 4.70 SR1
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    390062 - Additional information about upgrading to 4.6C SR2
    370601 - Composite SAP note: APO 3.0 and 3.1 performance
    365602 - M/AM: Sales agent determination log - perf.
    327285 - Additions to upgrade to 4.6C SR1
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    141244 - Deactivating the application log during data transfer
    138715 - RSSLGK90: Too many lock entries in the database
    118314 - Installing the interface to a separate EH&S
    91519 - Deleting logs of the application log
    Print Selected Notes (PDF) 
    Attributes
    Attribute Value
    Transaction codes BALC
    Transaction codes BALM
    Transaction codes CLEAR
    Transaction codes HIER
    Transaction codes SARA
    Transaction codes

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