Github user xuchuanyin commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2239#discussion_r184842473
--- Diff: store/search/src/main/scala/org/apache/spark/rpc/Master.scala ---
@@ -80,9 +96,18 @@ class Master(sparkConf: SparkConf, port: Int) {
rpcEnv = new NettyRpcEnvFactory().create(config)
val registryEndpoint: RpcEndpoint = new Registry(rpcEnv,
Master.this)
rpcEnv.setupEndpoint("registry-service", registryEndpoint)
+ if (!isStarted) {
+ synchronized {
+ if (!isStarted) {
+ flag = true
+ }
+ }
+ }
rpcEnv.awaitTermination()
}
}).start()
+ } else {
+ LOG.info("rpcEnv exists:" + rpcEnv.address)
--- End diff --
What does it mean?
Does it mean the search mode master has already started or something wrong?
Better to optimize the log, for example
```
Search mode master has already been started.
``
OR
```
Address for search mode master has been used by other applications, start
failed.
```
---
