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
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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