RFR: 8275375: [REDO] JDK-8271949 dumppath in -XX:FlightRecorderOptions does not affect [v4]

[Yasumasa Suenaga]

On Tue, 26 Oct 2021 07:26:43 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

>> Yasumasa Suenaga has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:
>> 
>>  - Add dumppath to JFR.configure dcmd
>>  - Add "\n" after printing exception
>>  - Merge remote-tracking branch 'upstream/master' into JDK-8275375-2
>>  - Propagate IOException at setDumpPath() to the caller
>>  - Refactoring setDumpPath related code
>>  - 8275375: [REDO] JDK-8271949 dumppath in -XX:FlightRecorderOptions does not affect
>
> If I remember correctly, if the exception is cleared, the exit status of the process will be incorrect.
> 
> That said, it would be good to get rid of "jdk.jfr.internal.dcmd.DCmdException: Could not ...", but it doesn't necessary need to be fixed in this PR and it must work with other options as well, for example JFR.configure <pid> samplethreads=incorrect

@egahlin Can you review this PR?

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PR: https://git.openjdk.java.net/jdk/pull/6000