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

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This exception has no message.
java.lang.NullPointerException:
at weblogic.connector.common.internal.ConnectionPool.(ConnectionPool.java:254)
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.$Proxy47.addTarget(Unknown Source)
at weblogic.management.mbeans.custom.ApplicationManager.autoDeploy(ApplicationManager.java:486)
at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:557)
at weblogic.management.mbeans.custom.ApplicationManager.addApplication(ApplicationManager.java:504)
at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:428)
at weblogic.management.mbeans.custom.ApplicationManager.poll(ApplicationManager.java:380)
at weblogic.management.mbeans.custom.ApplicationManager.update(ApplicationManager.java:152)
at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:562)
at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:548)
at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:285)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1555)
at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1523)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:437)
at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:178)
at undefined.$Proxy2.update(Unknown Source)
at weblogic.management.console.pages._domain._upload_app._jspService(_upload_app.java:172)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:27)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:213)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:1265)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:137)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

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