yes in both CATALINA_HOME/lib and app/WEB-INF/lib,
tomcat-dbcp.jar,ojdbc14.jar and lasses12.jar files are available.



 ----- Original Message -----
>> Thanks for your reply,
>>
>> 1. $CATALINA_HOME/lib
>>
>> 2. conf/context.xml?
>>
>> 3. In y application/lib also tomcat-dbcp.jar,ojdbc14.jar files are
>> available. Please suggest how to debug any useful site.
>
> I'm not sure I fully understand this statement.  Are you saying that you
> have the "tomcat-dbcp.jar" and "ojdbc14.jar" files in both
> $CATALINA_HOME/lib and app/WEB-INF/lib?
>
> If so, you're asking for trouble.  Just leave them in $CATALINA_HOME/lib
> and remove them from your application.
>
> Dan
>
>
>
>
>>
>> Thanks,
>>
>>
>> > ----- Original Message -----
>> >> Hi All,
>> >>
>> >> I am getting class cast exception when casting DataSource to
>> >> BasicDataSource.
>> >> The same is executed when run on JDeveloper.
>> >>
>> >> Environment : Tomcat 7.X
>> >> DB : Oracle
>> >>
>> >> Used : tomcat-dbcp.jar,ojdbc14.jar
>> >
>> > Where do you have these deployed?  WEB-INF/lib? $CATALINA_BASE/lib?
>> > $CATALINA_HOME/lib?
>> >
>> >
>> >> context.xml
>> >
>> > What is the location of this context file?  conf/context.xml?
>> > META-INF/context.xml?
>> >
>> >
>> >>
>> >> <Resource name="jdbc/ShipConsoleDS" auth="Container"
>> >>   type="javax.sql.DataSource"
>> >>   driverClassName="oracle.jdbc.OracleDriver"
>> >>   url="jdbc:oracle:thin:@sharp.appsahyd.com:1521:DEV01"
>> >>   username="apps" password="apps" maxActive="-1" maxIdle="0"
>> >>   maxWait="-1" initialSize="15"
>> >>   accessToUnderlyingConnectionAllowed="true" />
>> >>
>> >> Java Code to access Data Source :
>> >>
>> >> InitialContext initContext = new InitialContext();
>> >> Context envContext = (Context)
>> >> initContext.lookup("java:/comp/env");
>> >> DataSource dataSource = (DataSource)
>> >> envContext.lookup("jdbc/ShipConsoleDS");
>> >> BasicDataSource bds = (BasicDataSource)dataSource;
>> >>
>> >>
>> >> Exception :
>> >>
>> >> Exception Message:org.apache.tomcat.dbcp.dbcp.BasicDataSource
>> >> cannot
>> >> be cast to org.apache.tomcat.dbcp.dbcp.BasicDataSource
>> >
>> > I've seen similar exceptions before when the BasicDataSource class
>> > loaded
>> > by two different class loaders.  For example, from the common class
>> > loader
>> > and from the webapp class loader.  Check your class path to see if
>> > this
>> > might be occurring.
>> >
>> > Also, you might want to add the "-verbose:class" option to your JVM
>> > options.  This will print the classes that are loaded and the
>> > location
>> > from where they are loaded.  This is helpful if the class is
>> > unknowingly
>> > loaded twice.
>> >
>> > Dan
>> >
>> >
>> >
>> >> java.lang.ClassCastException:
>> >> org.apache.tomcat.dbcp.dbcp.BasicDataSource
>> >> cannot
>> >>  be cast to org.apache.tomcat.dbcp.dbcp.BasicDataSource
>> >>         at
>> >> com.aasc.model.AascOracleDAOFactory.createConnection(AascOracleDAOFac
>> >> tory.java:96)
>> >>         at
>> >>         com.aasc.model.AascDBAccess.getConnection(AascDBAccess.java:58)
>> >>         at
>> >>         com.aasc.model.AascDBAccess.getValues(AascDBAccess.java:84)
>> >>         at
>> >> org.apache.jsp.aascShipConsoleIndex_jsp._jspService(aascShipConsoleIn
>> >> dex_jsp.java:296)
>> >>         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:432)
>> >>         at
>> >> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:3
>> >> 90)
>> >>         at
>> >>         org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
>> >>         at
>> >>         javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>> >>         at
>> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
>> >> icationFilterChain.java:305)
>> >>         at
>> >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
>> >> ilterChain.java:210)
>> >>         at
>> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
>> >> alve.java:225)
>> >>         at
>> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
>> >> alve.java:169)
>> >>         at
>> >> org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
>> >> torBase.java:472)
>> >>         at
>> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
>> >> ava:168)
>> >>         at
>> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
>> >> ava:98)
>> >>         at
>> >> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
>> >> 927)
>> >>         at
>> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
>> >> ve.java:118)
>> >>         at
>> >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
>> >> a:407)
>> >>         at
>> >> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp
>> >> 11Processor.java:999)
>> >>         at
>> >> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(
>> >> AbstractProtocol.java:565)
>> >>         at
>> >> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoin
>> >> t.java:309)
>> >>         at
>> >>         java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown
>> >> Source
>> >> )
>> >>         at
>> >>         java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
>> >>         Source)
>> >>         at java.lang.Thread.run(Unknown Source)
>> >>
>> >>
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>> >>
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>> >
>>
>>
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>>
>
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