apurtell commented on a change in pull request #1039: HBASE-23647: Make
MasterRegistry the default impl.
URL: https://github.com/apache/hbase/pull/1039#discussion_r369861495
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File path:
hbase-common/src/main/java/org/apache/hadoop/hbase/HBaseConfiguration.java
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@@ -268,14 +268,19 @@ public static Configuration
createClusterConf(Configuration baseConf, String clu
* used to communicate with distant clusters
* @param conf configuration object to configure
* @param key string that contains the 3 required configuratins
- * @throws IOException
*/
private static void applyClusterKeyToConf(Configuration conf, String key)
- throws IOException{
+ throws IOException {
ZKConfig.ZKClusterKey zkClusterKey = ZKConfig.transformClusterKey(key);
conf.set(HConstants.ZOOKEEPER_QUORUM, zkClusterKey.getQuorumString());
conf.setInt(HConstants.ZOOKEEPER_CLIENT_PORT,
zkClusterKey.getClientPort());
conf.set(HConstants.ZOOKEEPER_ZNODE_PARENT, zkClusterKey.getZnodeParent());
+ // Without the right registry, the above configs are useless. Also, we
don't use setClass()
+ // here because the ConnectionRegistry* classes are not resolvable from
this module.
+ // This will be broken if ZkConnectionRegistry class gets renamed or
moved. Is there a better
+ // way?
Review comment:
You could use findClass and if there's an exception fall through to
alternate or recovery code. Anyway, agreed, a reference to a class constant is
not called for here.
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