java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException:
at com.d2k.adapter.jdbc.dbManagedConnectionFactoryImpl.createManagedConnection(dbManagedConnectionFactoryImpl.java:165)
at weblogic.connector.common.internal.ConnectionPool.makeResources(ConnectionPool.java:576)
at weblogic.connector.common.internal.ConnectionPool.(ConnectionPool.java:391)
at weblogic.connector.common.internal.ConnectionPoolManager.addManagedConnectionFactory(ConnectionPoolManager.java:44)
at weblogic.j2ee.ResourceAdapterComponent.deploy(ResourceAdapterComponent.java:173)
at weblogic.j2ee.Application.addComponent(Application.java:138)
at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:115)
at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:283)
at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:109)
at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:562)
at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:548)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:409)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:287)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:866)
at weblogic.management.internal.DynamicMBeanImpl.addDeployment(DynamicMBeanImpl.java:853)
at weblogic.management.internal.DynamicMBeanImpl.add(DynamicMBeanImpl.java:838)
at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:566)
at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:548)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:437)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:178)
at undefined.$Proxy45.addTarget(Unknown Source)
at weblogic.management.mbeans.custom.ApplicationManager.autoDeploy(ApplicationManager.java:486)
at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:557)
at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:504)
at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:428)
at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:380)
at weblogic.management.mbeans.custom.ApplicationManager.update(ApplicationManager.java:152)
at weblogic.management.mbeans.custom.ApplicationManager.startAdminManager(ApplicationManager.java:205)
at weblogic.management.mbeans.custom.ApplicationManager.start(ApplicationManager.java:120)
at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:562)
at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:548)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:437)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:178)
at undefined.$Proxy2.start(Unknown Source)
at weblogic.management.Admin.startApplicationManager(Admin.java:1034)
at weblogic.management.Admin.finish(Admin.java:491)
at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:429)
at weblogic.t3.srvr.T3Srvr.run(T3Srvr.java:170)
at weblogic.Server.main(Server.java:35)

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