RFR: JDK-8235738: tools/jpackage/macosx/NameWithSpaceTest.java failed due to exit code 134

Alexander Matveev alexander.matveev at oracle.com
Sat Dec 14 00:32:44 UTC 2019


Fixed testForPresenceOnly spelling error.


On 12/13/2019 9:39 AM, Phil Race wrote:
>> testForPresenseOnly  It should be spelt testForPresenceOnly -phil.
> On 12/13/19 6:16 AM, Andy Herrick wrote:
>> I approve these changes.
>> My first thought was that, if reading output only after Process is 
>> complete is valid and safe, then why not do it that way all the time 
>> ?  But comment in Process javadoc: "Because some native platforms 
>> only provide limited buffer size for standard input and output 
>> streams, failure to promptly write the input stream or read the 
>> output stream of the process may cause the process to block, or even 
>> deadlock." indicates is is prudent to do this only when necessary.
>> My second thought is that this indicates an underlying unidentified 
>> bug in the mac native code used by Process or ProcessBuilder , and 
>> although it would be better to identify and resolve the underlying 
>> problem, the fix is needed now, so this change seems appropriate.
>> /Andy
>> On 12/13/2019 1:01 AM, Alexander Matveev wrote:
>>> Please review fix [2] for jpackage bug [1].
>>> Not sure why it happens, but reading output from "hdiutil attach" 
>>> was not exiting immediately after process terminated with delays 
>>> upto 20 seconds always and in some case upto 10 minutes and thus 
>>> test was timeout. Only possible workaround found is to wait for 
>>> "hdiutil attach" process to exit before reading output. In this case 
>>> call to "hdiutil attach" and reading output happens very fast and 
>>> does not hang for long time. Generating simple DMG image went from 
>>> ~40 seconds to ~20 seconds after fix. Test was done with verbose 
>>> output enabled.
>>> Thanks,
>>> Alexander
>>> [1] https://bugs.openjdk.java.net/browse/JDK-8235738
>>> [2] http://cr.openjdk.java.net/~almatvee/8235738/webrev.00/

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