RFR: 8269886: Inaccurate error message for compressed hprof test [v2]

[Lin Zang]

On Tue, 6 Jul 2021 18:12:09 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> Lin Zang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   divid the try block
>
> After decompressing, no error or exception is thrown if MAGIC_NUMBER is not found. It just silently fails to print the stack trace.
> 
> Please use "cannot" instead of "can not". Both are grammatically correct, but "cannot" is what is normally used.

Hi @plummercj , 

Thanks for reviewing,  I have updated the PR based on your comments, and remove unreachable code introduced by the updated code.

BRs,
Lin

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PR: https://git.openjdk.java.net/jdk/pull/4685