[IMAP-254] NPE in MailboxEventAnalyser

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2-M1
• Fix Version/s: 0.2-M1
• Component/s: Mailbox
• Assignee: Norman Maurer
• Reporter: Wojciech Strzałka
• Created: 03/Feb/11 20:29
• Updated: 04/Feb/11 07:05
• Resolved: 04/Feb/11 07:05

Description

java.lang.NullPointerException
at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:994)
at java.util.Collections$UnmodifiableSet.<init>(Collections.java:1065)
at java.util.Collections.unmodifiableSet(Collections.java:1055)
at org.apache.james.imap.processor.base.MailboxEventAnalyser.expungedUids(MailboxEventAnalyser.java:198)
at org.apache.james.imap.processor.base.SelectedMailboxImpl.expungedUids(SelectedMailboxImpl.java:191)
at org.apache.james.imap.processor.AbstractMailboxProcessor.addExpungedResponses(AbstractMailboxProcessor.java:148)
at org.apache.james.imap.processor.AbstractMailboxProcessor.unsolicitedResponses(AbstractMailboxProcessor.java:134)
at org.apache.james.imap.processor.AbstractMailboxProcessor.unsolicitedResponses(AbstractMailboxProcessor.java:117)
at org.apache.james.imap.processor.AbstractMailboxProcessor.unsolicitedResponses(AbstractMailboxProcessor.java:104)
at org.apache.james.imap.processor.IdleProcessor$IdleMailboxListener.event(IdleProcessor.java:125)
at org.apache.james.mailbox.store.AbstractDelegatingMailboxListener.event(AbstractDelegatingMailboxListener.java:50)

this is probably some thread synchronization problem