[continuum] BUILD ERROR: Apache Cocoon [build root]

[Continuum VMBuild Server]

Online report : 
http://vmbuild.apache.org/continuum/buildResult.action?buildId=68001&projectId=51
Build statistics:
 State: Error
 Previous State: Ok
 Started at: Fri 21 Mar 2008 04:51:30 -0700
 Finished at: Fri 21 Mar 2008 06:21:32 -0700
 Total time: 1h 30m 2s
 Build Trigger: Schedule
 Build Number: 0
 Exit code: 0
 Building machine hostname: vmbuild.apache.org
 Operating system : Linux(unknown)
 Java Home version : 
         java version "1.4.2_15"
         Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_15-b02)
         Java HotSpot(TM) Client VM (build 1.4.2_15-b02, mixed mode)
       
 Builder version :
         Maven version: 2.0.7
         Java version: 1.4.2_15
         OS name: "linux" version: "2.6.20-16-server" arch: "i386"
   
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SCM Changes:
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No files changed

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Dependencies Changes:
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No dependencies changed




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Build Error:
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Exception:
Cannot checkout sources.
Exception while executing SCM command.
Error while executing command.
Error while executing external command, process killed.
null