3454167 - Groovy Script malfunctions when multiple messages arrive to the same integration flow

In case of groovy script handles data during message processing, which works fine in most of the case, however in case of multiple messages are triggered for message processing on the same integration flow in even same milliseconds, the result is incorrect. 

After analyzing, it is figured out that the issue comes from groovy script step where the data handled by script is being mixed in a random way.

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binding variable, groovy, script, def, type of, variable, multiple, messages, iflow, ci, cpi, cloud integration , flow, mixing, incorrect behavior, random result, binding, unspecified type,  , KBA , LOD-HCI-PI-WT-IFL , Integration Designer , Problem