RFR for JDK-8031666: TEST_BUG: java/net/ipv6tests/UdpTest.java failed because of SocketTimeoutException

[Tristan Yan]

Thank you
Tristan

On 01/17/2014 06:48 PM, Chris Hegarty wrote:
> On 17/01/14 10:39, Tristan Yan wrote:
>> Agree, reset timeout should be better move
>> http://cr.openjdk.java.net/~tyan/JDK-8031666/webrev.01/
>
> Thanks, approved. I can sponsor this change for you.
>
> -Chris.
>
>> Thank you
>> Tristan
>>
>> On 01/17/2014 06:32 PM, Chris Hegarty wrote:
>>> The bug shows the following stacktrace:
>>>
>>>   ----------System.err:(16/903)----------
>>> java.net.SocketTimeoutException: Receive timed out
>>> at
>>> java.net.DualStackPlainDatagramSocketImpl.socketReceiveOrPeekData(Native 
>>>
>>> Method)
>>> at
>>> java.net.DualStackPlainDatagramSocketImpl.peekData(DualStackPlainDatagramSocketImpl.java:109) 
>>>
>>> at java.net.DatagramSocket.receive(DatagramSocket.java:721)
>>> at UdpTest.test2(UdpTest.java:159)
>>> at UdpTest.main(UdpTest.java:72)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
>>>
>>> at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
>>>
>>> at java.lang.reflect.Method.invoke(Method.java:483)
>>> at
>>> com.sun.javatest.regtest.MainAction$SameVMRunnable.run(MainAction.java:746) 
>>>
>>> at java.lang.Thread.run(Thread.java:744)
>>> ----
>>>
>>> So the failure was not related to the initial two receives that are
>>> expected to timeout. 4000 millis should be sufficient for these.
>>>
>>> The failure looks like it is because the third receive, that is
>>> expected to NOT timeout, does timeout. The socket timeout value is
>>> still set, in the original code, to 4000 millis. It should be more
>>> efficient to simply increase the timeout of the socket just before the
>>> third received, to say 10000 millis.
>>>
>>> Make sense?
>>>
>>> -Chris.
>>>
>>>
>>> On 17/01/14 05:40, Tristan Yan wrote:
>>>> Hi All
>>>>
>>>> Please review the simple code fix for JDK-8031666.
>>>>
>>>> http://cr.openjdk.java.net/~tyan/JDK-8031666/webrev.00/
>>>>
>>>> This test fails in very small chance. Adding socket timeout a little
>>>> bigger.
>>>>
>>>> Thank you
>>>>
>>>> Tristan
>>

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