On 20/04/2010 03:40, Auser99 wrote: > > Does anyone have a solution for this. Thanks. > > au
Yes. They were provided in other answers, already.
Check the archives.
p
> SivaKumarl wrote:
>>
>> Hi Friends,
>> I am using universal connection pooling for connecting database
>> , while configuring manually i able to connect to database,but while
>> configuring in server.xml i am unable to cast the datasource i am getting
>> the class cast exception, please find the below configuration and error
>> details , correct me if i configured wrong .I am using Tomcat 6.0
>>
>> server.xml configurartion
>>
>> <Context docBase="UCP" path="/UCP" reloadable="true"
>> source="org.eclipse.jst.jee.server:UCP">
>> <Resource auth="Container" description="DataSource Reference"
>> driverClassName="oracle.jdbc.OracleDriver"
>> maxActive="4" maxIdle="2" maxWait="5000"
>> name="jdbc/oracleds" factory="oracle.jdbc.pool.OracleDataSource"
>> username="branch" password="branch"
>> type="oracle.ucp.jdbc.PoolDataSourceImpl"
>> url="jdbc:oracle:thin:@//192.168.203.12:1521/ycs"
>> validationQuery="select 1 from dual"/>
>> </Context>
>>
>> Error Details
>> javax.naming.NamingException: Could not create resource factory instance
>> [Root exception is java.lang.ClassCastException:
>> oracle.jdbc.pool.OracleDataSource cannot be cast to
>> javax.naming.spi.ObjectFactory]
>> at
>> org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:102)
>>
>> at
>> javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
>> at org.apache.naming.NamingContext.lookup(NamingContext.java:793)
>> at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
>> at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
>> at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
>> at TestServlet.doGet(TestServlet.java:37)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>> at
>> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>>
>> at
>> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>>
>> at
>> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>>
>> at
>> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>>
>> at
>> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
>>
>> at
>> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
>>
>> at
>> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>>
>> at
>> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>> at
>> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
>> at
>> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
>>
>> at
>> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454)
>> at java.lang.Thread.run(Thread.java:619)
>> Caused by: java.lang.ClassCastException: oracle.jdbc.pool.OracleDataSource
>> cannot be cast to javax.naming.spi.ObjectFactory
>> at
>> org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:98)
>>
>> ... 20 more
>>
>>
>> Java code for retrieving connection
>>
>> Context initContext;
>> try {
>> initContext = new InitialContext();
>>
>> Context envContext =
>> (Context)initContext.lookup("java:/comp/env");
>> DataSource ds =
>> (DataSource)envContext.lookup("jdbc/oracleds");
>> } catch (NamingException e) {
>> // TODO Auto-generated catch block
>> e.printStackTrace();
>> }
>>
>>
>>
>> Thanks in Advance
>> Siva kumar
>>
>>
>
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