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If the ThreadLocal variable is not cleared, what will happen?

defined a threadlocal variable in the class to support some instances. setting up and getting a recursive method. To some extent, I cannot clear the threadlocal variable when the request is complete (I have analyzed all the other ways. I cannot clear threadlocal).

My question is: if I did not clear the threadlocal variable for each request, what will happen? What are the implications?

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The javadoc says:

after the stream disappears, all its copies of local-local instances are subject to garbage collection (if other links to these copies exist).

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You have a memory leak, and ThreadLocal may already be installed the next time you call the code. ThreadLocals is a little smell of imo code.

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