Github user Jackyele commented on a diff in the pull request:
https://github.com/apache/storm/pull/1384#discussion_r62157087
--- Diff: storm-core/src/jvm/org/apache/storm/cluster/ZKStateStorage.java
---
@@ -189,7 +190,15 @@ public void set_data(String path, byte[] data,
List acls) {
Zookeeper.setData(zkWriter, path, data);
} else {
Zookeeper.mkdirs(zkWriter, Zookeeper.parentPath(path), acls);
-Zookeeper.createNode(zkWriter, path, data,
CreateMode.PERSISTENT, acls);
+try {
+Zookeeper.createNode(zkWriter, path, data,
CreateMode.PERSISTENT, acls);
+} catch (RuntimeException e) {
--- End diff --
yeah, we have to catch RuntimeError first; and how about using **Utils.
exceptionCauseIsInstanceOf** instead for consistency, just like
https://github.com/apache/storm/blob/master/storm-core/src/jvm/org/apache/storm/zookeeper/Zookeeper.java#L165
does
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