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https://issues.apache.org/jira/browse/KNOX-57?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Minder updated KNOX-57:
-----------------------------
Fix Version/s: 0.3.0
> NPE when GATEWAY_HOME deleted out from underneath a running gateway instance
> ----------------------------------------------------------------------------
>
> Key: KNOX-57
> URL: https://issues.apache.org/jira/browse/KNOX-57
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 0.2.0
> Reporter: Kevin Minder
> Assignee: Kevin Minder
> Fix For: 0.3.0
>
> Attachments: KNOX-57.patch
>
>
> This occurs when the directory in which the Knox Gateway is installed is
> deleted while the Gateway is running. In particular the gateway is
> monitoring the deployments directory and doesn't handle it well when that is
> deleted.
> java.lang.NullPointerException
> at
> org.apache.hadoop.gateway.GatewayServer$InternalTopologyListener.handleTopologyEvent(GatewayServer.java:354)
> at
> org.apache.hadoop.gateway.topology.file.FileTopologyProvider.notifyChangeListeners(FileTopologyProvider.java:150)
> at
> org.apache.hadoop.gateway.topology.file.FileTopologyProvider.reloadTopologies(FileTopologyProvider.java:115)
> at
> org.apache.hadoop.gateway.topology.file.FileTopologyProvider.handleFileEvent(FileTopologyProvider.java:181)
> at
> org.apache.hadoop.gateway.topology.file.FileTopologyProvider.fileDeleted(FileTopologyProvider.java:192)
> at
> org.apache.commons.vfs2.events.DeleteEvent.notify(DeleteEvent.java:36)
> at
> org.apache.commons.vfs2.provider.AbstractFileSystem.fireEvent(AbstractFileSystem.java:600)
> at
> org.apache.commons.vfs2.provider.AbstractFileSystem.fireFileDeleted(AbstractFileSystem.java:550)
> at
> org.apache.commons.vfs2.impl.DefaultFileMonitor$FileMonitorAgent.check(DefaultFileMonitor.java:634)
> at
> org.apache.commons.vfs2.impl.DefaultFileMonitor$FileMonitorAgent.access$200(DefaultFileMonitor.java:430)
> at
> org.apache.commons.vfs2.impl.DefaultFileMonitor.run(DefaultFileMonitor.java:385)
> at java.lang.Thread.run(Thread.java:680)
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