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java.lang.NullPointerException: 	at weblogic.management.mbeans.custom.Application.jarDirectory(Application.java:1394)	at weblogic.management.mbeans.custom.Application.jarDirectory(Application.java:1414)	at weblogic.management.mbeans.custom.Application.jarDirectory(Application.java:1414)	at weblogic.management.mbeans.custom.Application.jarDirectory(Application.java:1379)	at weblogic.management.mbeans.custom.Application.getDirectoryArchive(Application.java:1349)	at weblogic.management.mbeans.custom.Application.getInputStream(Application.java:1207)	at java.lang.reflect.Method.invoke(Native Method)	at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)	at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)	at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:359)	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:468)	at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)	at $Proxy9.getInputStream(Unknown Source)	at weblogic.management.servlet.FileDistributionServlet.doGetComponentRequest(FileDistributionServlet.java:387)	at weblogic.management.servlet.FileDistributionServlet.doGet(FileDistributionServlet.java:239)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:265)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:200)	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2495)	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2204)	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)