RFR: JDK-8013827 and JDK-8011950, , java.io.File.createTempFile enters infinite loop when passed invalid data

Dan Xu dan.xu at oracle.com
Mon Jun 10 06:26:13 UTC 2013

On 06/03/2013 03:23 AM, Alan Bateman wrote:
> On 02/06/2013 03:16, Dan Xu wrote:
>> :
>> As for the SpecialTempFile testcase, I wonder whether these 
>> regression tests may happen to be used to test earlier JDK versions. 
>> In that case, the thread pool will help the test framework find the 
>> test failure easily. Otherwise, I agree it adds extra overhead into 
>> this test.
> My concern is mostly the timeout as we've had so many problems with 
> tests failing intermittently when the machine is very busy. In this 
> case, I could imagine this failing when there are tests running 
> concurrently in a pool VMs and at the same time competing with AV 
> software on Windows that is sucking the life out of the system.
> In general, it's not always possible to write a test that behaves well 
> when run an unpatched-JDK. Deadlocks, crashes, and hangs are just some 
> examples where a test might timeout or jtreg needs to spin up a new VM 
> to continue the test execution. So while important for one-off 
> verification then it's probably not worth spending too much effort 
> trying to get it to behaves well on an JDK that doesn't have the fix.
> -Alan.
Hi Alan,

Thank you for the clarification. I have updated the test and "if" format 
at webrev, http://cr.openjdk.java.net/~dxu/8013827/webrev.02/. Please 
review it.


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