fix can't connect the fescar-server.

examples/src/main/resources/application.conf

@@ -0,0 +1,30 @@
+transport {
+  # tcp udt unix-domain-socket
+  type = "TCP"
+  #NIO NATIVE
+  server = "NIO"
+  #thread factory for netty
+  thread-factory {
+    boss-thread-prefix = "NettyBoss"
+    worker-thread-prefix = "NettyServerNIOWorker"
+    server-executor-thread-prefix = "NettyServerBizHandler"
+    share-boss-worker = false
+    client-selector-thread-prefix = "NettyClientSelector"
+    client-selector-thread-size = 1
+    client-worker-thread-prefix = "NettyClientWorkerThread"
+    # netty boss thread size,will not be used for UDT
+    boss-thread-size = 1
+    #auto default pin or 8
+    worker-thread-size = 8
+  }
+}
+service {
+  #vgroup->rgroup
+  vgroup_mapping.my_test_tx_group = "localRgroup"
+  #only support single node
+  localRgroup.grouplist = "127.0.0.1:8091"
+  #degrade current not support
+  enableDegrade = false
+  #disable
+  disable = false
+}