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https://issues.apache.org/jira/browse/CALCITE-687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731076#comment-14731076
]
Julian Hyde commented on CALCITE-687:
-------------------------------------
Still getting this. Another variation is:{noformat}java.lang.AssertionError:
null
at org.apache.calcite.avatica.Meta$MetaResultSet.count(Meta.java:388)
at
org.apache.calcite.avatica.jdbc.JdbcMeta.prepareAndExecute(JdbcMeta.java:747)
at
org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:140)
at
org.apache.calcite.avatica.remote.Service$PrepareAndExecuteRequest.accept(Service.java:264)
at
org.apache.calcite.avatica.remote.Service$PrepareAndExecuteRequest.accept(Service.java:245)
at
org.apache.calcite.avatica.remote.LocalJsonService.apply(LocalJsonService.java:36)
at
org.apache.calcite.avatica.RemoteDriverTest$LoggingLocalJsonService.apply(RemoteDriverTest.java:931)
at
org.apache.calcite.avatica.remote.JsonService.apply(JsonService.java:217)
at
org.apache.calcite.avatica.remote.RemoteMeta.prepareAndExecute(RemoteMeta.java:177)
at
org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:477)
at
org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:109)
at
org.apache.calcite.avatica.AvaticaStatement.execute(AvaticaStatement.java:121)
at
org.apache.calcite.avatica.RemoteDriverTest.checkStatementExecute(RemoteDriverTest.java:364)
at
org.apache.calcite.avatica.RemoteDriverTest.checkStatementExecute(RemoteDriverTest.java:344)
at
org.apache.calcite.avatica.RemoteDriverTest.testStatementExecuteLocal(RemoteDriverTest.java:285){noformat}
> Make RemoteDriverTest.testStatementLifecycle thread-safe
> --------------------------------------------------------
>
> Key: CALCITE-687
> URL: https://issues.apache.org/jira/browse/CALCITE-687
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Reporter: Julian Hyde
> Assignee: Nick Dimiduk
> Fix For: next
>
>
> There is apparently a thread safety issue in
> RemoteDriverTest.testStatementLifecycle. Here is output from <a
> href="https://travis-ci.org/julianhyde/incubator-calcite/jobs/58869949";>Travis</a>:{code}ests
> run: 18, Failures: 1, Errors: 0, Skipped: 4, Time elapsed: 29.008 sec <<<
> FAILURE! - in org.apache.calcite.avatica.RemoteDriverTest
> testStatementLifecycle(org.apache.calcite.avatica.RemoteDriverTest) Time
> elapsed: 1.807 sec <<< FAILURE!
> java.lang.AssertionError: expected:<1> but was:<9>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at org.junit.Assert.assertEquals(Assert.java:542)
> at
> org.apache.calcite.avatica.RemoteDriverTest.testStatementLifecycle(RemoteDriverTest.java:388)
> {code} Presumably this occurs in Travis because several tests are running
> concurrently.
> I have disabled the test. We must fix this issue and re-enable the test.
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