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Posted to issues@ignite.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/09/12 15:43:00 UTC
[jira] [Commented] (IGNITE-6355) Calculating cache size during
cache stop sporadically fails with ClusterGroupEmptyCheckedException
[ https://issues.apache.org/jira/browse/IGNITE-6355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16163139#comment-16163139 ]
ASF GitHub Bot commented on IGNITE-6355:
----------------------------------------
GitHub user glukos opened a pull request:
https://github.com/apache/ignite/pull/2647
IGNITE-6355 Calculating cache size during cache stop sporadically fails with ClusterGroupEmptyCheckedException
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gridgain/apache-ignite ignite-6355
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ignite/pull/2647.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2647
----
commit 0ca879173e9c7b58f313bddc85b0684faf8b6307
Author: Ivan Rakov <iv...@gmail.com>
Date: 2017-09-12T15:40:15Z
IGNITE-6355 Calculating cache size during cache stop sporadically fails with ClusterGroupEmptyCheckedException
----
> Calculating cache size during cache stop sporadically fails with ClusterGroupEmptyCheckedException
> --------------------------------------------------------------------------------------------------
>
> Key: IGNITE-6355
> URL: https://issues.apache.org/jira/browse/IGNITE-6355
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.1
> Reporter: Ivan Rakov
> Assignee: Ivan Rakov
> Labels: MakeTeamcityGreenAgain
> Fix For: 2.3
>
>
> Example stacktrace:
> {noformat}
> [16:21:06,343][ERROR][main][root] Test failed.
> javax.cache.CacheException: class org.apache.ignite.cluster.ClusterGroupEmptyException: Topology projection is empty.
> at org.apache.ignite.internal.processors.cache.GridCacheUtils.convertToCacheException(GridCacheUtils.java:1327)
> at org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.cacheException(IgniteCacheProxyImpl.java:1672)
> at org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.size(IgniteCacheProxyImpl.java:762)
> at org.apache.ignite.internal.processors.cache.GatewayProtectedCacheProxy.size(GatewayProtectedCacheProxy.java:508)
> at org.gridgain.grid.internal.processors.cache.database.IgniteDbSnapshotSelfTest.testReuseCacheProxyAfterRestore(IgniteDbSnapshotSelfTest.java:1793)
> 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:498)
> at junit.framework.TestCase.runTest(TestCase.java:176)
> at org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:2000)
> at org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:132)
> at org.apache.ignite.testframework.junits.GridAbstractTest$5.run(GridAbstractTest.java:1915)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: class org.apache.ignite.cluster.ClusterGroupEmptyException: Topology projection is empty.
> at org.apache.ignite.internal.util.IgniteUtils$6.apply(IgniteUtils.java:823)
> at org.apache.ignite.internal.util.IgniteUtils$6.apply(IgniteUtils.java:821)
> ... 14 more
> Caused by: class org.apache.ignite.internal.cluster.ClusterGroupEmptyCheckedException: Topology projection is empty.
> at org.apache.ignite.internal.processors.task.GridTaskWorker.getTaskTopology(GridTaskWorker.java:665)
> at org.apache.ignite.internal.processors.task.GridTaskWorker.body(GridTaskWorker.java:500)
> at org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:110)
> at org.apache.ignite.internal.processors.task.GridTaskProcessor.startTask(GridTaskProcessor.java:758)
> at org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:454)
> at org.apache.ignite.internal.processors.task.GridTaskProcessor.execute(GridTaskProcessor.java:410)
> at org.apache.ignite.internal.processors.cache.GridCacheAdapter.sizeAsync(GridCacheAdapter.java:3747)
> at org.apache.ignite.internal.processors.cache.GridCacheAdapter.size(GridCacheAdapter.java:3704)
> at org.apache.ignite.internal.processors.cache.IgniteCacheProxyImpl.size(IgniteCacheProxyImpl.java:759)
> ... 11 more
> {noformat}
> Data race stems from here (GridCacheAdapter#sizeAsync):
> {noformat}
> Group grp = modes.near ? cluster.forCacheNodes(name(), true, true, false) : cluster.forDataNodes(name());
> Collection<ClusterNode> nodes = grp.nodes();
> if (nodes.isEmpty())
> return new GridFinishedFuture<>(0);
> ctx.kernalContext().task().setThreadContext(TC_SUBGRID, nodes);
> return ctx.kernalContext().task().execute(
> new SizeTask(ctx.name(), ctx.affinity().affinityTopologyVersion(), peekModes), null);
> {noformat}
> Method grp.nodes() returns PredicateCollectionView, which size depends on Ignite state. It can pass nodes.isEmpty() check and become empty later.
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