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

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java.lang.NullPointerException: 	at java.io.File.(File.java:277)	at oracle.sysman.install.emcli.GetImageRpmVerb.execute(GetImageRpmVerb.java:159)	at oracle.sysman.emSDK.emCLI.CLIPageHandler.executeCommand(CLIPageHandler.java:2152)	at oracle.sysman.emSDK.emCLI.CLIPageHandler.access$2000(CLIPageHandler.java:168)	at oracle.sysman.emSDK.emCLI.CLIPageHandler$CLIExecutor.executeRequest(CLIPageHandler.java:1461)	at oracle.sysman.emSDK.emCLI.CLIPageHandler$CLIExecutor.doWork(CLIPageHandler.java:1438)	at oracle.sysman.core.common.workmanager.Work.call(Work.java:274)	at oracle.sysman.core.common.workmanager.Work.call(Work.java:50)	at java.util.concurrent.FutureTask.run(FutureTask.java:262)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)