NPE in IRC notifier

Note: apparently not a duplicate of previous similar issues. The problem is with 1.2.

2008-10-21 02:01:33,841 [pool-1-thread-1] INFO buildController - Performing action deploy-artifact
2008-10-21 02:01:33,863 [Thread-16] ERROR taskQueueExecutor#build-project - Error executing task
edu.emory.mathcs.backport.java.util.concurrent.ExecutionException: java.lang.NullPointerException
at edu.emory.mathcs.backport.java.util.concurrent.FutureTask.getResult(FutureTask.java:299)
at edu.emory.mathcs.backport.java.util.concurrent.FutureTask.get(FutureTask.java:118)
at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable.waitForTask(ThreadedTaskQueueExecutor.java:159)
at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable.run(ThreadedTaskQueueExecutor.java:127)
Caused by: java.lang.NullPointerException
at org.apache.maven.continuum.notification.AbstractContinuumNotifier.getPreviousBuild(AbstractContinuumNotifier.java:244)
at org.apache.maven.continuum.notification.irc.IrcContinuumNotifier.buildComplete(IrcContinuumNotifier.java:272)
at org.apache.maven.continuum.notification.irc.IrcContinuumNotifier.sendMessage(IrcContinuumNotifier.java:254)
at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.sendNotification(DefaultContinuumNotificationDispatcher.java:201)
at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.sendNotification(DefaultContinuumNotificationDispatcher.java:184)
at org.apache.maven.continuum.notification.DefaultContinuumNotificationDispatcher.buildComplete(DefaultContinuumNotificationDispatcher.java:96)
at org.apache.maven.continuum.buildcontroller.DefaultBuildController.endBuild(DefaultBuildController.java:241)
at org.apache.maven.continuum.buildcontroller.DefaultBuildController.build(DefaultBuildController.java:195)
at org.apache.maven.continuum.buildcontroller.BuildProjectTaskExecutor.executeTask(BuildProjectTaskExecutor.java:50)
at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable$1.run(ThreadedTaskQueueExecutor.java:116)
at edu.emory.mathcs.backport.java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:442)
at edu.emory.mathcs.backport.java.util.concurrent.FutureTask.run(FutureTask.java:176)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:987)
at edu.emory.mathcs.backport.java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:528)
at java.lang.Thread.run(Thread.java:619)