leventov commented on a change in pull request #6662: Double-checked locking
bug is fixed.
URL: https://github.com/apache/incubator-druid/pull/6662#discussion_r236309412
##########
File path:
processing/src/main/java/org/apache/druid/query/filter/JavaScriptDimFilter.java
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@@ -115,18 +115,14 @@ public Filter toFilter()
* This class can be used by multiple threads, so this function should be
thread-safe to avoid extra
* script compilation.
*/
- private void checkAndCreatePredicateFactory()
+ private synchronized void checkAndCreatePredicateFactory()
Review comment:
Same as above
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