zhli1142015 commented on a change in pull request #28769:
URL: https://github.com/apache/spark/pull/28769#discussion_r439787376
##########
File path:
common/kvstore/src/main/java/org/apache/spark/util/kvstore/LevelDB.java
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@@ -229,6 +241,10 @@ public long count(Class<?> type, String index, Object
indexedValue) throws Excep
return idx.getCount(idx.end(null, indexedValue));
}
+ /**
+ * Trying to close a JNI LevelDB handle with a closed DB can cause JVM
crashes,
Review comment:
Thanks, updated.
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