[Hawkular-dev] possible bug in inventory server

Lucas Ponce lponce at redhat.com
Mon Oct 30 14:01:17 EDT 2017


Ok, I spot a potential problem.
I will prepare a better test in commons to deal with it.


On Mon, Oct 30, 2017 at 6:39 PM, Lucas Ponce <lponce at redhat.com> wrote:

> Well, in details it means that is trying to write/delete at same key and
> it failed, and then probably the indexmanager was not updated.
>
> Did you get that trace also in the server.log as well ?
>
> On Mon, Oct 30, 2017 at 6:25 PM, Lucas Ponce <lponce at redhat.com> wrote:
>
>> That's interesting.
>> I haven't got that trace, yes, it seems the indexmanager failed, still
>> trying to get the same one.
>>
>> On Mon, Oct 30, 2017 at 6:17 PM, Joel Takvorian <jtakvori at redhat.com>
>> wrote:
>>
>>> Some update, here is the latest logs I got while the test failed:
>>> https://paste.fedoraproject.org/paste/Yy8CuDvgqzX1RazON6Cmag
>>>
>>> I haven't time to dig further today, but see in the middle that lovely
>>> stack trace:
>>>
>>> *18:01:59,012 ERROR [org.infinispan.transaction.im
>>> <http://org.infinispan.transaction.im>pl.TransactionCoordinator] (default
>>> task-35) ISPN000255: Error while processing prepare:
>>> org.infinispan.transaction.WriteSkewException: Write skew detected on key
>>> itest-rest-feed~Local DMR~/subsystem=datasources/xa-data-source=testXaDs
>>> for transaction TransactionImple < ac, BasicAction:
>>> 0:ffffc0a8000c:-5784e282:59f75acd:b4 status: ActionStatus.RUNNING >*
>>> * at
>>> org.infinispan.transaction.impl.WriteSkewHelper.performWriteSkewCheckAndReturnNewVersions(WriteSkewHelper.java:66)*
>>> * at
>>> org.infinispan.interceptors.locking.ClusteringDependentLogic$AbstractClusteringDependentLogic.clusteredCreateNewVersionsAndCheckForWriteSkews(ClusteringDependentLogic.java:261)*
>>>
>>> I have no idea why it wasn't displayed before, and it is now.
>>>
>>> On Mon, Oct 30, 2017 at 1:15 PM, Joel Takvorian <jtakvori at redhat.com>
>>> wrote:
>>>
>>>> I've seen the same error just once (out of 5 or 6 tries), and,
>>>> coincidentally, had the same error notified "Failed to store
>>>> notification: {"type":"RESOURCE_ADDED" etc." with "MethodNotAllowed"
>>>> at the very same moment, that is, just when the testRemoveXaDatasource test
>>>> runs.
>>>> That's maybe a trail to investigate, maybe it betrays some server-side
>>>> malfunction. I don't know if it's possible to see server-side logs during
>>>> agent itests, but it would probably help. I don't know why this error
>>>> happens.
>>>>
>>>> When I run tests successfully, I also see from times to times this
>>>> error, but it's distributed randomly in tests, and fortunately or not
>>>> (rather not), tests pass.
>>>>
>>>
>>>
>>> _______________________________________________
>>> hawkular-dev mailing list
>>> hawkular-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/hawkular-dev
>>>
>>>
>>
>
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