Possible IllegalArgumentException if try to delete a message while the messagecount of the mailbox is 0

java.lang.IllegalArgumentException: Illegal Capacity: -1
at java.util.ArrayList.<init>(ArrayList.java:110)
at org.apache.james.mailbox.maildir.MaildirFolder$7.execute(MaildirFolder.java:827)
at org.apache.james.mailbox.maildir.MaildirFolder$7.execute(MaildirFolder.java:814)
at org.apache.james.mailbox.store.AbstractMailboxPathLocker.executeWithLock(AbstractMailboxPathLocker.java:36)
at org.apache.james.mailbox.maildir.MaildirFolder.delete(MaildirFolder.java:814)
at org.apache.james.mailbox.maildir.mail.MaildirMessageMapper.delete(MaildirMessageMapper.java:107)
at org.apache.james.mailbox.maildir.mail.MaildirMessageMapper.expungeMarkedForDeletionInMailbox(MaildirMessageMapper.java:485)
at org.apache.james.mailbox.store.StoreMessageManager$5.run(StoreMessageManager.java:641)
at org.apache.james.mailbox.store.StoreMessageManager$5.run(StoreMessageManager.java:638)
at org.apache.james.mailbox.store.transaction.TransactionalMapper.execute(TransactionalMapper.java:38)
at org.apache.james.mailbox.store.StoreMessageManager.deleteMarkedInMailbox(StoreMessageManager.java:638)
at org.apache.james.mailbox.store.StoreMessageManager.expunge(StoreMessageManager.java:173)
at org.apache.james.imap.processor.ExpungeProcessor.expunge(ExpungeProcessor.java:101)
at org.apache.james.imap.processor.ExpungeProcessor.doProcess(ExpungeProcessor.java:65)
at org.apache.james.imap.processor.ExpungeProcessor.doProcess(ExpungeProcessor.java:46)
at org.apache.james.imap.processor.AbstractMailboxProcessor.doProcess(AbstractMailboxProcessor.java:99)
at org.apache.james.imap.processor.AbstractMailboxProcessor.process(AbstractMailboxProcessor.java:88)
at org.apache.james.imap.processor.AbstractMailboxProcessor.doProcess(AbstractMailboxProcessor.java:82)
at org.apache.james.imap.processor.AbstractMailboxProcessor.doProcess(AbstractMailboxProcessor.java:65)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:55)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imap.processor.base.AbstractChainedProcessor.process(AbstractChainedProcessor.java:57)
at org.apache.james.imapserver.netty.ImapChannelUpstreamHandler.messageReceived(ImapChannelUpstreamHandler.java:175)
at org.jboss.netty.handler.stream.ChunkedWriteHandler.handleUpstream(ChunkedWriteHandler.java:148)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302)
at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:317)
at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:299)
at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:216)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:302)
at org.jboss.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:317)
at org.jboss.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:299)
at org.jboss.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:216)
at org.jboss.netty.handler.timeout.IdleStateAwareChannelHandler.handleUpstream(IdleStateAwareChannelHandler.java:48)
at org.jboss.netty.handler.timeout.IdleStateHandler.messageReceived(IdleStateHandler.java:276)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:274)
at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:261)
at org.jboss.netty.channel.socket.oio.OioWorker.run(OioWorker.java:90)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)