Attachment creation failure causes message handler to loop over message indefinitely.

2006-04-21 17:24:10,854 WARN [jira.issue.managers.DefaultAttachmentManager] Creating attachment without a file. Ab
orting
2006-04-21 17:24:10,862 ERROR [service.util.handler.AbstractMessageHandler] Exception while creating attachment for
issue STAT-212: java.lang.NullPointerException
java.lang.NullPointerException
at com.atlassian.jira.issue.history.ChangeLogUtils.createChangeGroup(ChangeLogUtils.java:85)
at com.atlassian.jira.issue.util.DefaultIssueUpdater.doUpdate(DefaultIssueUpdater.java:55)
at com.atlassian.jira.service.util.handler.AbstractCommentHandler.addChangeHistoryItem(AbstractCommentHandl
er.java:122)
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.createAttachmentWithPart(AbstractMessageH
andler.java:262)
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.handleMultipart(AbstractMessageHandler.ja
va:216)
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.createAttachmentsForMessage(AbstractMessa
geHandler.java:195)
at com.atlassian.jira.service.util.handler.AbstractCommentHandler.handleMessage(AbstractCommentHandler.java
:90)
at com.atlassian.jira.service.services.mail.MailFetcherService.run(MailFetcherService.java:184)
at com.atlassian.jira.service.JiraServiceContainerImpl.run(JiraServiceContainerImpl.java:61)
at com.atlassian.jira.service.ServiceRunner.execute(ServiceRunner.java:48)
at org.quartz.core.JobRunShell.run(JobRunShell.java:191)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)
2006-04-21 17:24:10,864 WARN [service.util.handler.AbstractCommentHandler] Exception creating comment null
java.io.IOException
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.createAttachmentWithPart(AbstractMessageH
andler.java:269)
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.handleMultipart(AbstractMessageHandler.ja
va:216)
at com.atlassian.jira.service.util.handler.AbstractMessageHandler.createAttachmentsForMessage(AbstractMessa
geHandler.java:195)
at com.atlassian.jira.service.util.handler.AbstractCommentHandler.handleMessage(AbstractCommentHandler.java
:90)
at com.atlassian.jira.service.services.mail.MailFetcherService.run(MailFetcherService.java:184)
at com.atlassian.jira.service.JiraServiceContainerImpl.run(JiraServiceContainerImpl.java:61)
at com.atlassian.jira.service.ServiceRunner.execute(ServiceRunner.java:48)
at org.quartz.core.JobRunShell.run(JobRunShell.java:191)
at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:516)