test: verify that the analysis of the cause of issue 1702 is correct (#…

…1710)

common/src/main/java/io/seata/common/thread/NamedThreadFactory.java

@@ -15,6 +15,8 @@
  */
 package io.seata.common.thread;
 
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -24,9 +26,10 @@
  * The type Named thread factory.
  *
  * @author jimin.jm @alibaba-inc.com
- * @date 2018 /9/12
+ * @author ggndnn
  */
 public class NamedThreadFactory implements ThreadFactory {
+    private final static Map<String, AtomicInteger> PREFIX_COUNTER = new ConcurrentHashMap<>();
     private final AtomicInteger counter = new AtomicInteger(0);
     private final String prefix;
     private final int totalSize;
@@ -40,7 +43,9 @@ public class NamedThreadFactory implements ThreadFactory {
      * @param makeDaemons the make daemons
      */
     public NamedThreadFactory(String prefix, int totalSize, boolean makeDaemons) {
-        this.prefix = prefix;
+        PREFIX_COUNTER.putIfAbsent(prefix, new AtomicInteger(0));
+        int prefixCounter = PREFIX_COUNTER.get(prefix).incrementAndGet();
+        this.prefix = prefix + "_" + prefixCounter;
         this.makeDaemons = makeDaemons;
         this.totalSize = totalSize;
     }