[Ray Java] Memory leak in object store when Java application invokes a remote Python function about ray HOT 6 OPEN

Dear @edoakes and @jjyao, we are currently undertaking a POC with Ray that is of critical importance to our company's AI platform strategy. We have encountered this significant blocking issue that is impacting our production application which utilizes Ray.

To address this, we've submitted a pull request with a proposed workaround: #45729.

We would greatly appreciate it if you could review the PR at your earliest convenience. Your expertise would be invaluable in helping us resolve this issue.

CC: @anyscalesam, @kevin85421

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@yucai thanks for the contribution. The PR is merged but I think the memory leak still exists but no longer block you?

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@edoakes is java calling python something we still maintain?

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@edoakes is java calling python something we still maintain?

It's not in active development but we should fix critical bug fixes such as memory leaks. Would classify this as P1.

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@yucai can you confirm here ^ @jjyao

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