[JBoss-user] Oracle connection

[Adhiman]

Hi, I 'm trying to access Oracle8i database through the JBoss2.2.1 server.It throws a null pointer exception.I 've checked the db instance name and user/password. There has been a lot of queries regarding the same problem .Can any one get me out of this? Please let me know the exact JBoss.jcml format for oracle db connection.and if any other files are reqiured except the oracle driver(type 4)   Thanx & regards Anil Exception is as folloews   [OracleDB] Starting [OracleDB] XA Connection pool OracleDB bound to java:/OracleDB [OracleDB] Stopped [OracleDB] java.lang.NullPointerException [OracleDB]      at org.opentools.minerva.jdbc.xa.XAPoolDataSource.getConnection( XAPoolDataSource.java:165) [OracleDB]      at org.jboss.jdbc.XADataSourceLoader.startService(XADataSourceLo ader.java:330) [OracleDB]      at org.jboss.util.ServiceMBeanSupport.start(ServiceMBeanSupport. java:93) [OracleDB]      at java.lang.reflect.Method.invoke(Native Method) [OracleDB]      at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl .java:1628) [OracleDB]      at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl .java:1523) [OracleDB]      at org.jboss.util.ServiceControl.start(ServiceControl.java:97) [OracleDB]      at java.lang.reflect.Method.invoke(Native Method) [OracleDB]      at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl .java:1628) [OracleDB]      at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl .java:1523) [OracleDB]      at org.jboss.Main.<init>(Main.java:203) [OracleDB]      at org.jboss.Main$1.run(Main.java:107) [OracleDB]      at java.security.AccessController.doPrivileged(Native Method) [OracleDB]      at org.jboss.Main.main(Main.java:103) [Service Control] Could not start DefaultDomain:service=oracledriver,name=Oracle DB [Service Control] java.lang.NullPointerException [Service Control]       at org.opentools.minerva.jdbc.xa.XAPoolDataSource.getCon nection(XAPoolDataSource.java:165) [Service Control]       at org.jboss.jdbc.XADataSourceLoader.startService(XAData SourceLoader.java:330) [Service Control]       at org.jboss.util.ServiceMBeanSupport.start(ServiceMBean Support.java:93) [Service Control]       at java.lang.reflect.Method.invoke(Native Method) [Service Control]       at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe rverImpl.java:1628) [Service Control]       at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe rverImpl.java:1523) [Service Control]       at org.jboss.util.ServiceControl.start(ServiceControl.ja va:97) [Service Control]       at java.lang.reflect.Method.invoke(Native Method) [Service Control]       at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe rverImpl.java:1628) [Service Control]       at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanSe rverImpl.java:1523) [Service Control]       at org.jboss.Main.<init>(Main.java:203) [Service Control]       at org.jboss.Main$1.run(Main.java:107) [Service Control]       at java.security.AccessController.doPrivileged(Native Me thod) [Service Control]       at org.jboss.Main.main(Main.java:103)