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https://issues.apache.org/jira/browse/DRILL-5156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers updated DRILL-5156:
-------------------------------
Comment: was deleted
(was: Also seeing a similar problem in {{FragmentContext.close()}} in the unit
test {{TestConvertFunctions#testConvertFromConvertToInt}}. This test fails with
the Snappy library issue. Then, when tearing down, we get an
{{IllegalStateException}} in the {{OperatorContextImpl.close()}} method here:
{code}
if (allocator != null) {
allocator.close(); // Error here
}
{code}
Likely, again, the thread is not being closed properly before the memory
allocator is released.)
> Bit-Client thread finds closed allocator in TestDrillbitResilience unit test
> ----------------------------------------------------------------------------
>
> Key: DRILL-5156
> URL: https://issues.apache.org/jira/browse/DRILL-5156
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
>
> RPC thread attempts to access a closed allocator during the
> {{TestDrillbitResilience}} unit test.
> Set a Java exception breakpoint for {{IllegalStateException}}. Run the
> {{TestDrillbitResilience}} unit tests.
> You will see quite a few exceptions, including the following in a thread
> called BitClient-1:
> {code}
> RootAllocator(BaseAllocator).assertOpen() line 109
> RootAllocator(BaseAllocator).buffer(int) line 191
> DrillByteBufAllocator.buffer(int) line 49
> DrillByteBufAllocator.ioBuffer(int) line 64
> AdaptiveRecvByteBufAllocatpr$HandleImpl.allocate(ByteBufAllocator) line 104
> NioSocketChannel$NioSocketChannelUnsafe(...).read() line 117
> ...
> NioEventLoop.run() line 354
> {code}
> The test continues (then fails for some other reason), which is why this is
> marked as minor. Still, it seems odd that the client thread should attempt to
> access a closed allocator.
> At this point, it is not clear how we got into this state. The test itself is
> waiting for a response from the server in the {{tailsAfterMSorterSorting}}
> test.
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