Artifact preparation failed due to agent being unauthorized

2014-05-28 05:02:09,575 INFO [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [PrepareBuildTask] Executing build JIRA JDK8 Plans - CI Functional Tests - Java 8 - Func 07 #131 (JJDK8-FUNCJ8-F07-131)
2014-05-28 05:02:09,575 INFO [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [PrepareBuildTask] Preparing artifact for use: hallelujah-dist
2014-05-28 05:02:09,634 WARN [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [HttpMethodDirector] Unable to respond to any of these challenges: {oauth=OAuth realm="https%3A%2F%2Fjira-bamboo.internal.atlassian.com"}
2014-05-28 05:02:09,634 ERROR [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [HttpMessageSender] Failed to send message.
java.io.IOException: Unexpected HTTP status code: 401 Unauthorized
        at com.atlassian.bamboo.v2.build.agent.remote.sender.HttpMessageSender.send(HttpMessageSender.java:105)
        at com.atlassian.bamboo.build.artifact.BambooRemoteArtifactHandler.internalRetrieve(BambooRemoteArtifactHandler.java:74)
        at com.atlassian.bamboo.build.artifact.BambooRemoteArtifactHandler.retrieve(BambooRemoteArtifactHandler.java:53)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager$3.call(AbstractArtifactManager.java:341)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager$3.call(AbstractArtifactManager.java:335)
        at com.atlassian.bamboo.plugin.BambooPluginUtils.callUnsafeCode(BambooPluginUtils.java:86)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager.retrieveArtifact(AbstractArtifactManager.java:334)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager.retrieve(AbstractArtifactManager.java:294)
        at com.atlassian.bamboo.build.pipeline.tasks.PrepareBuildTask.prepareArtifacts(PrepareBuildTask.java:150)
        at com.atlassian.bamboo.build.pipeline.tasks.PrepareBuildTask.call(PrepareBuildTask.java:98)
        at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.build(DefaultBuildAgent.java:183)
        at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:111)
        at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:110)
        at com.atlassian.bamboo.utils.BambooRunnables$1.run(BambooRunnables.java:49)
        at com.atlassian.bamboo.security.ImpersonationHelper.runWith(ImpersonationHelper.java:31)
        at com.atlassian.bamboo.security.ImpersonationHelper.runWithSystemAuthority(ImpersonationHelper.java:20)
        at com.atlassian.bamboo.security.ImpersonationHelper$1.run(ImpersonationHelper.java:52)
        at java.lang.Thread.run(Thread.java:662)
2014-05-28 05:02:09,635 ERROR [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [BambooPluginUtils] Unable to retrieve artifact hallelujah-dist for JJDK8-FUNCJ8-F07-131 via com.atlassian.bamboo.build.artifact.BambooRemoteArtifactHandler@4fb22e7b
java.lang.RuntimeException: java.io.IOException: Unexpected HTTP status code: 401 Unauthorized
        at com.atlassian.bamboo.v2.build.agent.remote.sender.HttpMessageSender.send(HttpMessageSender.java:111)
        at com.atlassian.bamboo.build.artifact.BambooRemoteArtifactHandler.internalRetrieve(BambooRemoteArtifactHandler.java:74)
        at com.atlassian.bamboo.build.artifact.BambooRemoteArtifactHandler.retrieve(BambooRemoteArtifactHandler.java:53)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager$3.call(AbstractArtifactManager.java:341)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager$3.call(AbstractArtifactManager.java:335)
        at com.atlassian.bamboo.plugin.BambooPluginUtils.callUnsafeCode(BambooPluginUtils.java:86)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager.retrieveArtifact(AbstractArtifactManager.java:334)
        at com.atlassian.bamboo.build.artifact.AbstractArtifactManager.retrieve(AbstractArtifactManager.java:294)
        at com.atlassian.bamboo.build.pipeline.tasks.PrepareBuildTask.prepareArtifacts(PrepareBuildTask.java:150)
        at com.atlassian.bamboo.build.pipeline.tasks.PrepareBuildTask.call(PrepareBuildTask.java:98)
        at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent.build(DefaultBuildAgent.java:183)
        at com.atlassian.bamboo.v2.build.agent.BuildAgentControllerImpl.waitAndPerformBuild(BuildAgentControllerImpl.java:111)
        at com.atlassian.bamboo.v2.build.agent.DefaultBuildAgent$1.run(DefaultBuildAgent.java:110)
        at com.atlassian.bamboo.utils.BambooRunnables$1.run(BambooRunnables.java:49)
        at com.atlassian.bamboo.security.ImpersonationHelper.runWith(ImpersonationHelper.java:31)
        at com.atlassian.bamboo.security.ImpersonationHelper.runWithSystemAuthority(ImpersonationHelper.java:20)
        at com.atlassian.bamboo.security.ImpersonationHelper$1.run(ImpersonationHelper.java:52)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: Unexpected HTTP status code: 401 Unauthorized
        at com.atlassian.bamboo.v2.build.agent.remote.sender.HttpMessageSender.send(HttpMessageSender.java:105)
        ... 17 more
2014-05-28 05:02:09,635 WARN [2-BAM::agent-18-11.buildeng.atlassian.com (2)::Agent:pool-6-thread-1] [PrepareBuildTask] Failure in artifact preparation phase during processing of: Subscription for Shared artifact: [hallelujah-dist], pattern: [jira-*-dist.zip] anchored at: [jira-distribution/jira-func-tests-runner/target], destination: []

28-May-2014 05:02:09 	Build JIRA JDK8 Plans - CI Functional Tests - Java 8 - Func 07 #131 (JJDK8-FUNCJ8-F07-131) started building on agent agent-18-11.buildeng.atlassian.com (2)
28-May-2014 05:02:09 	Build working directory is /opt/bamboo-agent/xml-data/build-dir/JJDK8-FUNCJ8-F07
28-May-2014 05:02:09 	Executing build JIRA JDK8 Plans - CI Functional Tests - Java 8 - Func 07 #131 (JJDK8-FUNCJ8-F07-131)
28-May-2014 05:02:09 	Preparing artifact for use: hallelujah-dist
28-May-2014 05:02:09 	Failure in artifact preparation phase during processing of: Subscription for Shared artifact: [hallelujah-dist], pattern: [jira-*-dist.zip] anchored at: [jira-distribution/jira-func-tests-runner/target], destination: []
28-May-2014 05:02:09 	1 error(s) found when performing pre-build actions.
28-May-2014 05:02:32 	Running on server: post build plugin 'Clover Delta Calculator'
28-May-2014 05:02:33 	Running on server: post build plugin 'Build Hanging Detection Configuration'
28-May-2014 05:02:33 	Running on server: post build plugin 'NCover Results Collector'
28-May-2014 05:02:33 	Running on server: post build plugin 'Maven Dependencies Postprocessor'
28-May-2014 05:02:33 	All post build plugins have finished
28-May-2014 05:02:33 	Generating build results summary...
28-May-2014 05:02:33 	Saving build results to disk...
28-May-2014 05:02:33 	Indexing build results...
28-May-2014 05:02:33 	Finished building JJDK8-FUNCJ8-F07-131.

2014-05-28 04:59:26,409 ERROR [http-bio-8085-exec-190] [DeliverMessageServlet] Cannot process message: invalid authentication token for JJDK8-FUNCJ8-131
2014-05-28 04:59:26,426 ERROR [http-bio-8085-exec-126] [DeliverMessageServlet] Cannot process message: invalid authentication token for JJDK8-FUNCJ8-131