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    Bug 
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    Resolution: Won't Fix
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    Minor 
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    None
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    Since version 1.597
With this release jenkins changed the build identifier to the build number (instead of timestamp). Now the BUILD_NUMBER and BUILD_ID both return the build number and there is no way to get the timestamp from the environment variables.
According to the documentation BUILD_ID should return the timestamp.
BUILD_ID
The current build id, such as "2005-08-22_23-59-59" (YYYY-MM-DD_hh-mm-ss)
Possible fixes:
- Change BUILD_ID to return the timestamp
- Add Env-Var BUILD_TIMESTAMP or similar
- is duplicated by
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                    JENKINS-26624 Content of BUILD_ID environment variable changed from timestamp to build number -         
- Resolved
 
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                    JENKINS-26679 BUILD_ID not containing build timestamp after 1.597 due to JENKINS-24380 -         
- Resolved
 
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                    JENKINS-26772 env-vars.html BUILD_ID documentation is incorrect -         
- Resolved
 
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- is related to
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                    JENKINS-26626 Zentimestamp plugin no longer compatible with Jenkins 1.597 -         
- Resolved
 
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                    JENKINS-24380 Use build numbers as IDs -         
- Resolved
 
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- links to