When a large file is uploaded, the heap resources are not released

[liry-code]

Hello, I would like to ask a question. In the Springboot project, use threads to upload a file of about 2G in ipfs, after the file is uploaded and the thread ends.

The old generation resources in the heap cannot be released and always exist in the old generation.

The dump file of the JVM stack information was reviewed by the tool, and it was found that the unreleased resources in the old zone may exist in the sun.net.www.http.PosterOutputStream class.

This is the operating environment information： JAVA: 1.8 java-ipfs-http-client: 1.3.3

Dump log analysis：

Expecting a reply ！

[kevodwyer]

Are you able to provide a minimal test case that demonstrates the problem? In the stacktrace i can only see a 1 line reference to io.ipfs.api.Multipart.finish()

[liry-code]

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