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.
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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