<i18n dev> 8028734: test/java/util/Locale/InternationalBAT.java changes does not restore the default TimeZone

[Masayoshi Okutsu]

I see. Thanks!

Masayoshi

On 11/21/2013 6:40 PM, Alan Bateman wrote:
> On 21/11/2013 09:33, Masayoshi Okutsu wrote:
>> On 11/21/2013 2:08 AM, Alan Bateman wrote:
>>> We have a number of test failures in agentvm mode that appear to be 
>>> caused by tests changing the default TimeZone and not restoring it. 
>>> These failures become very intermittently when running with 
>>> concurrency as it is unpredictable as to the sequence of tests that 
>>> a specific agent VM will execute from run to run.
>>
>> If concurrent execution is a requirement, all tests changing default 
>> time zone and/or locale values need to run in "othervm"?
> When you run in agentvm mode with concurrency then it means there is a 
> pool of agent VMs running the tests, it doesn't mean there are several 
> tests running in the same agent VM at the same time.
>
> So if tests change the default TZ or locale or other global settings 
> then the tests need to restore them so as to not cause problems for 
> tests that run subsequently. If they can't restore things (and we have 
> many examples of that) then you are right, these tests needs to have 
> their @run tag changed so that they always run in othervm mode.
>
> -Alan