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    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

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java.lang.NullPointerException: 	at java.util.Hashtable.put(Hashtable.java:459)	at org.eclipse.rse.internal.subsystems.files.ftp.parser.FTPClientConfigFactory.getFTPClientConfig(FTPClientConfigFactory.java:146)	at org.eclipse.rse.internal.services.files.ftp.FTPService.connect(FTPService.java:454)	at org.eclipse.rse.internal.subsystems.files.ftp.connectorservice.FTPConnectorService.internalConnect(FTPConnectorService.java:129)	at org.eclipse.rse.internal.subsystems.files.ftp.connectorservice.FTPConnectorService.internalConnect(FTPConnectorService.java:105)	at org.eclipse.rse.core.subsystems.AbstractConnectorService$1.run(AbstractConnectorService.java:502)	at org.eclipse.rse.core.subsystems.AbstractConnectorService$SafeRunner.run(AbstractConnectorService.java:445)	at org.eclipse.rse.core.subsystems.AbstractConnectorService.connect(AbstractConnectorService.java:509)	at org.eclipse.rse.ui.operations.SystemFetchOperation.ensureConnected(SystemFetchOperation.java:309)	at org.eclipse.rse.ui.operations.SystemFetchOperation.execute(SystemFetchOperation.java:373)	at org.eclipse.rse.ui.operations.SystemFetchOperation.run(SystemFetchOperation.java:182)	at org.eclipse.rse.ui.view.AbstractSystemViewAdapter.fetchDeferredChildren(AbstractSystemViewAdapter.java:2290)	at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:232)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)