RFR: 8286444: javac errors after JDK-8251329 are not helpful enough to find root cause

[Alan Bateman]

On Tue, 10 May 2022 21:30:23 GMT, Sean Mullan <mullan at openjdk.org> wrote:

> > It's probably ok, but the bug report is either incomplete or I am missing something. It says "This can be improved to something like: ..." but the same text as is emitted now is used. Can you fix this so I have a better example of what will be included in the message?
> 
> The bug report also says "The error message does not give a clue which jar file is causing the problem" but the error message includes the name "invalid.jar" so I am also confused about that.

There are two parts to it. In the case of initCEN method, the proposed change is to include the name of the rejected entry in the exception message. This is not the same thing as leaking a file path in the exception message so I don't think we have a concern here.

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PR: https://git.openjdk.java.net/jdk/pull/8616