[QPID-1803] FileUtils recursive delete may throw NullPointerException if files are deleted outside of the JVM

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: M4
• Fix Version/s: 0.5
• Component/s: Java Common
• Assignee: Martin Ritchie
• Reporter: Martin Ritchie
• Created: 10/Apr/09 21:05
• Updated: 14/Mar/17 20:12
• Resolved: 08/Dec/10 19:18

Description

Summary:

When performing a recursive delete if a file that java has not yet processed is deleted then a NPE will be thrown an example of this can be seen when the FtD code is clearing the queueBacking store and the user is performing an rm -rf of the backing store at the same time:

java.lang.NullPointerException
at org.apache.qpid.util.FileUtils.delete(FileUtils.java:253)
at org.apache.qpid.util.FileUtils.delete(FileUtils.java:255)
at org.apache.qpid.util.FileUtils.delete(FileUtils.java:255)
at org.apache.qpid.server.queue.FileQueueBackingStoreFactory.setFlowToDisk(FileQueueBackingStoreFactory.java:87)
at org.apache.qpid.server.queue.FileQueueBackingStoreFactory.configure(FileQueueBackingStoreFactory.java:41)