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

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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)

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