Please follow instructions below to download the hotfix: 

Login to TIBCO Support Portal ​using your credentials.  
After logging in select menu option “Downloads” -> “Hotfixes” , then navigate to /AvailableDownloads/BusinessEvents/EnterpriseEdition/6.1.2/hotfix-02 to download the Hotfix.

Alternatively, you can use the direct portal link below to download 6.1.2 Hotfix-02. 
    
https://support.tibco.com/s/hotfixes?id=a014z00000yejk9AAA

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Closed Issues in 6.1.2_HF-002 (This Release)
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BE-31048
When the global variable value is updated by using TIBCO BusinessEvents Enterprise
Administrator UI,it is also updated in the deployed instance of the application at run time.

To define the global variable override precedence, set the option Override Global Variables
on the TIBCO BusinessEvents Enterprise Administrator UI and overrideGV parameter to true 
in python API.

BE-31081
With legacy ID and disabled object table, loading parent and it's contained child concepts 
reports null pointer exception as the contained concept typeId mismatches with the 
classregistry table typeId.

BE-31094
In TIBCO BusinessEvents, Apache Tomcat is upgraded to the version 9.0.65 to address 
the Apache Tomcat CVE-2021-43980 vulnerability.
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Please refer to attached hotfix readme file for installation instructions, affected files and list of fixes in this release.