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java - jar download not possible on OSX 11 (el Capitan)

问题描述:

I'm currently having some problem with a simple/stupid java executable on OSX 11.

We have 2 .jar, let them call jar1 and jar2.

jar1 can close itself and call jar2 to download jar1 updates.

jar2 just connect to a ftp server and download/overwrite jar1.

This is currently working on both Windows and OSX 9.

I can't test on OSX 10.

It returns a "null pointer exception" on OSX 11.

Are there some known issues about OSX 11 restriction that may stop the download?

Thanks for the help

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