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https://issues.apache.org/jira/browse/DRILL-5044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15702752#comment-15702752
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ASF GitHub Bot commented on DRILL-5044:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/669#discussion_r89849203
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/TestDynamicUDFSupport.java ---
@@ -271,6 +271,75 @@ public void testDuplicatedFunctionsInLocalRegistry()
throws Exception {
}
@Test
+ public void testSuccessfulRegistrationAfterSeveralRetryAttempts() throws
Exception {
--- End diff --
The case in question would seem to occur when multiple registrations happen
concurrently. Do we have a test for that case? That is, do we try to run two
thread (two Drillbits?) and have them each attempt to register jars?
> After the dynamic registration of multiple jars simultaneously not all UDFs
> were registered
> -------------------------------------------------------------------------------------------
>
> Key: DRILL-5044
> URL: https://issues.apache.org/jira/browse/DRILL-5044
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.9.0
> Reporter: Roman
> Assignee: Paul Rogers
>
> I tried to register 21 jars simultaneously (property 'udf.retry-attempts' =
> 30) and not all jars were registered. As I see in output, all function were
> registered and /staging directory was empty, but not all of jars were moved
> into /registry directory.
> For example, after simultaneously registration I saw "The following UDFs in
> jar test-1.1.jar have been registered: [test1(VARCHAR-REQUIRED)" message, but
> this jar was not in /registry directory. When I tried to run function test1,
> I got this error: "Error: SYSTEM ERROR: SqlValidatorException: No match found
> for function signature test1(<CHARACTER>)". And when I tried to reregister
> this jar, I got "Jar with test-1.1.jar name has been already registered".
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