change arthas threads to be daemon #1346

core/src/main/java/com/taobao/arthas/core/server/ArthasBootstrap.java

@@ -122,7 +122,7 @@ public class ArthasBootstrap {
         executorService = Executors.newScheduledThreadPool(1, new ThreadFactory() {
             @Override
             public Thread newThread(Runnable r) {
-                final Thread t = new Thread(r, "as-command-execute-daemon");
+                final Thread t = new Thread(r, "arthas-command-execute");
                 t.setDaemon(true);
                 return t;
             }

core/src/main/java/com/taobao/arthas/core/shell/impl/ShellServerImpl.java

@@ -153,6 +153,7 @@ public class ShellServerImpl extends ShellServer {
                 @Override
                 public Thread newThread(Runnable r) {
                     final Thread t = new Thread(r, "arthas-shell-server");
+                    t.setDaemon(true);
                     return t;
                 }
             });

core/src/main/java/com/taobao/arthas/core/shell/session/impl/SessionManagerImpl.java

@@ -111,6 +111,7 @@ public class SessionManagerImpl implements SessionManager {
                 @Override
                 public Thread newThread(Runnable r) {
                     final Thread t = new Thread(r, "arthas-shell-server");
+                    t.setDaemon(true);
                     return t;
                 }
             });

core/src/main/java/com/taobao/arthas/core/util/UserStatUtil.java

@@ -9,6 +9,7 @@ import java.net.URLEncoder;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
 
 /**
  * Arthas 使用情况统计
@@ -16,7 +17,14 @@ import java.util.concurrent.Executors;
  * Created by zhuyong on 15/11/12.
  */
 public class UserStatUtil {
-    private static final ExecutorService executorService = Executors.newSingleThreadExecutor();
+    private static final ExecutorService executorService = Executors.newSingleThreadExecutor(new ThreadFactory() {
+        @Override
+        public Thread newThread(Runnable r) {
+            final Thread t = new Thread(r, "arthas-UserStat");
+            t.setDaemon(true);
+            return t;
+        }
+    });
     private static final String ip = IPUtils.getLocalIP();
 
     private static final String version = URLEncoder.encode(ArthasBanner.version().replace("\n", ""));