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

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This exception has no message.
java.lang.NullPointerException:
at com.ibm.ws.management.launcher.LaunchCommand.processDefaultJvmOptions(LaunchCommand.java:1265)
at com.ibm.ws.management.launcher.LaunchCommand.setParamsFromJavaProcessDef(LaunchCommand.java:1219)
at com.ibm.ws.management.launcher.LaunchCommand.setParamsFromProcessDef(LaunchCommand.java:636)
at com.ibm.ws.management.launcher.LaunchCommand.init(LaunchCommand.java:380)
at com.ibm.ws.management.launcher.LaunchCommand.(LaunchCommand.java:274)
at com.ibm.ws.management.tools.WsServerLauncher.initializeRepositoryAndLauncher(WsServerLauncher.java:424)
at com.ibm.ws.management.tools.WsServerLauncher.runTool(WsServerLauncher.java:279)
at com.ibm.ws.management.tools.AdminTool.executeUtility(AdminTool.java:269)
at com.ibm.ws.management.tools.WsServerController.executeUtilityOnWindows(WsServerController.java:136)
at com.ibm.ws.management.tools.WsServerLauncher.main(WsServerLauncher.java:140)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:94)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
at java.lang.reflect.Method.invoke(Method.java:619)
at com.ibm.ws.bootstrap.WSLauncher.main(WSLauncher.java:280)

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