CODEWITHSUNDEEP
javaintellij-ideahotswap
Niko
Niko

Reputation: 1004

What does "Hot Swap error" with IntelliJ (in Java) mean?

I have no idea what a hot swap is and for the life of me cannot construct a google search that will find what it means in the context of my program. I was editing my class, the same way I do all the time, and when I went to run it I all of a sudden got a

Hot Swap failed: myClassName: schema not implemented

error.

Can anyone explain this to me in Layman's terms?

Upvotes: 49

Views: 35308

Answers (1)

Ricky Mutschlechner
Ricky Mutschlechner

Reputation: 4409

You are attempting to change your source code while the program (or IntelliJ's debugger) is still running. This is what the HotSwap feature does according to IntelliJ's KB.

Please make sure your program and/or debugger is stopped before re-launching the program and the issue should be resolved.

Upvotes: 87

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