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https://issues.apache.org/jira/browse/KNOX-57?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kevin Minder updated KNOX-57:
-----------------------------
Assignee: Kevin Minder
Description:
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$200(DefaultFileMonitor.java:430)
at
org.apache.commons.vfs2.impl.DefaultFileMonitor.run(DefaultFileMonitor.java:385)
at java.lang.Thread.run(Thread.java:680)
was:
java.lang.NullPointerException
at
org.apache.hadoop.gateway.GatewayServer$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$200(DefaultFileMonitor.java:430)
at
org.apache.commons.vfs2.impl.DefaultFileMonitor.run(DefaultFileMonitor.java:385)
at java.lang.Thread.run(Thread.java:680)
> NPE when GATEWAY_HOME deleted out from underneath a running gateway instance
> ----------------------------------------------------------------------------
>
> Key: KNOX-57
> URL: https://issues.apache.org/jira/browse/KNOX-57
> Project: Apache Knox
> Issue Type: Bug
> Affects Versions: 0.2.0
> Reporter: Kevin Minder
> Assignee: Kevin Minder
>
> This occurs when the directory in which the Knox Gateway is installed is
> deleted while the Gateway is running. In particular the gateway is
> monitoring the deployments directory and doesn't handle it well when that is
> deleted.
> java.lang.NullPointerException
> at
> org.apache.hadoop.gateway.GatewayServer$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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