Branch polling failed due to git issue - no error on the plan summary page

2013-08-16 07:56:31,000 INFO [4-BAM::PlanExec:pool-7-thread-3] [RetryingTaskExecutor] Task 'Collecting changes for ACF-AFCC5' was unsuccessful. Run 1 / 2. Exception thrown when running task 'Collecting changes for ACF-AFCC5', with message: Runtime exception.
2013-08-16 07:56:31,000 INFO [4-BAM::PlanExec:pool-7-thread-3] [RetryingTaskExecutor] Waiting 5545ms before retrying...

2013-08-16 07:56:36,915 INFO [4-BAM::PlanExec:pool-7-thread-3] [RetryingTaskExecutor] Task 'Collecting changes for ACF-AFCC5' was unsuccessful. Run 2 / 2. Exception thrown when running task 'Collecting changes for ACF-AFCC5', with message: Runtime exception.
2013-08-16 07:56:36,915 ERROR [4-BAM::PlanExec:pool-7-thread-3] [RetryingTaskExecutor] Failed to run task 'Collecting changes for ACF-AFCC5' after 2 attempts. Task was not executed.
2013-08-16 07:56:36,915 ERROR [4-BAM::PlanExec:pool-7-thread-3] [RetryingTaskExecutor] Exception being rethrown
2013-08-16 07:56:36,915 WARN [4-BAM::PlanExec:pool-7-thread-3] [PlanExecutionManagerImpl] Unknown error during doWithProcessLock
java.lang.RuntimeException: com.atlassian.bamboo.repository.RepositoryException: Runtime exception.
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.rerun(RetryingTaskExecutor.java:132)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.runTask(RetryingTaskExecutor.java:88)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.retry(RetryingTaskExecutor.java:191)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.retry(RetryingTaskExecutor.java:176)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectionChangesWithRetry(DefaultChangeDetectionManager.java:470)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceLastBuildInternal(DefaultChangeDetectionManager.java:331)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceRevisions(DefaultChangeDetectionManager.java:259)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceRevisions(DefaultChangeDetectionManager.java:154)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager.collectChangesSinceLastBuildIfTriggered(DefaultChangeDetectionManager.java:116)
	at com.atlassian.bamboo.v2.trigger.ChangeDetectionListenerAction.testIfBuildShouldStart(ChangeDetectionListenerAction.java:111)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$3.call(PlanExecutionManagerImpl.java:450)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl$3.call(PlanExecutionManagerImpl.java:435)
	at com.atlassian.util.concurrent.ManagedLocks$ManagedLockImpl.withLock(ManagedLocks.java:312)
	at com.atlassian.bamboo.plan.PlanExecutionLockServiceImpl.lock(PlanExecutionLockServiceImpl.java:78)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.doWithProcessLock(PlanExecutionManagerImpl.java:704)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.startConditionalBuild(PlanExecutionManagerImpl.java:434)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.start(PlanExecutionManagerImpl.java:503)
	at com.atlassian.bamboo.plan.PlanExecutionManagerImpl.start(PlanExecutionManagerImpl.java:520)
	at com.atlassian.bamboo.plan.NonBlockingPlanExecutionServiceImpl$3.call(NonBlockingPlanExecutionServiceImpl.java:131)
	at com.atlassian.bamboo.plan.NonBlockingPlanExecutionServiceImpl$3.call(NonBlockingPlanExecutionServiceImpl.java:119)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at com.atlassian.bamboo.build.pipeline.concurrent.NamedThreadFactory$2.run(NamedThreadFactory.java:52)
	at java.lang.Thread.run(Thread.java:662)
Caused by: com.atlassian.bamboo.repository.RepositoryException: Runtime exception.
	at com.atlassian.bamboo.plugins.git.GitRepository.collectChangesSinceLastBuild(GitRepository.java:281)
	at com.atlassian.bamboo.plugins.git.GitRepository.collectChangesSinceLastBuild(GitRepository.java:182)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager$1.call(DefaultChangeDetectionManager.java:474)
	at com.atlassian.bamboo.v2.trigger.DefaultChangeDetectionManager$1.call(DefaultChangeDetectionManager.java:471)
	at com.atlassian.bamboo.executor.RetryingTaskExecutor.rerun(RetryingTaskExecutor.java:108)
	... 25 more
Caused by: com.google.common.util.concurrent.UncheckedExecutionException: com.atlassian.bamboo.plugins.git.GitCommandException: command /usr/bin/git ls-remote https://melias@bitbucket.org/atlassian-foundation/codefoundation failed with code 128. Working directory was [.]., stderr:
[fatal: https://melias@bitbucket.org/atlassian-foundation/codefoundation/info/refs not found: did you run git update-server-info on the server?]
	at com.google.common.cache.AbstractCache.getUnchecked(AbstractCache.java:51)
	at com.atlassian.bamboo.plugins.git.CallableResultCache.call(CallableResultCache.java:82)
	at com.atlassian.bamboo.plugins.git.NativeGitOperationHelper.getRemoteRefs(NativeGitOperationHelper.java:485)