Github user traflm commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/376#discussion_r55844614
--- Diff:
core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/coprocessor/transactional/SplitBalanceHelper.java
---
@@ -304,11 +304,13 @@ protected void zkCleanup() {
List<String> trafTables = ZKUtil.listChildrenNoWatch(zkw,
zSplitBalPathNoSlash);
List<String> hbaseTables = ZKUtil.listChildrenNoWatch(zkw,
SplitBalanceHelper.zkTable);
- for(String tableName : trafTables) {
+ if(trafTables != null && hbaseTables != null) {
--- End diff --
There is a possibility that trafTables is not null but hbaseTables is null,
or vice versa. In this case, the cleanup will leave something.
I am not quite clear, but I think this method is to clean up every leftover
znodes. So the '&&' may not be proper here?
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