Java class version

Last night the charging app code I put into production would have run if I compiled on the same antiquated version as the production server. When it ran, it bombed. The person who repaired (restored old jar) and reran didn’t check to see if it would append input files.

It did.

Charges for the hospital were doubled last night. So yeah now we have to back them out rerun and then put in the right ones.

Lesson learned:
1: test server needs to be a true mirror of production.
2: try before you pry :or: measure twice cut once.

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