HBASE-8983 HBaseConnection#deleteAllConnections does not always delete

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1504606 13f79535-47bb-0310-9956-ffa450edef68

hbase-client/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java

@@ -318,19 +318,31 @@ public class HConnectionManager {
   }
 
   /**
-   * Delete information for all connections.
+   * Delete information for all connections. Close or not the connection, depending on the
+   *  staleConnection boolean and the ref count. By default, you should use it with
+   *  staleConnection to true.
    */
-  public static void deleteAllConnections() {
+  public static void deleteAllConnections(boolean staleConnection) {
     synchronized (CONNECTION_INSTANCES) {
       Set<HConnectionKey> connectionKeys = new HashSet<HConnectionKey>();
       connectionKeys.addAll(CONNECTION_INSTANCES.keySet());
       for (HConnectionKey connectionKey : connectionKeys) {
-        deleteConnection(connectionKey, false);
+        deleteConnection(connectionKey, staleConnection);
       }
       CONNECTION_INSTANCES.clear();
     }
   }
 
+  /**
+   * Delete information for all connections..
+   * @deprecated kept for backward compatibility, but the behavior is broken. HBASE-8983
+   */
+  @Deprecated
+  public static void deleteAllConnections() {
+    deleteAllConnections(false);
+  }
+
+
   private static void deleteConnection(HConnection connection, boolean staleConnection) {
     synchronized (CONNECTION_INSTANCES) {
       for (Entry<HConnectionKey, HConnectionImplementation> e: CONNECTION_INSTANCES.entrySet()) {

hbase-server/src/test/java/org/apache/hadoop/hbase/MiniHBaseCluster.java

@@ -507,7 +507,7 @@ public class MiniHBaseCluster extends HBaseCluster {
     if (this.hbaseCluster != null) {
       this.hbaseCluster.shutdown();
     }
-    HConnectionManager.deleteAllConnections();
+    HConnectionManager.deleteAllConnections(true);
   }
 
   @Override

hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationDisableInactivePeer.java

@@ -28,6 +28,8 @@ import org.apache.hadoop.hbase.util.Bytes;
 import org.junit.Test;
 import org.junit.experimental.categories.Category;
 
+import java.util.Map;
+
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.fail;
 
@@ -49,7 +51,7 @@ public class TestReplicationDisableInactivePeer extends TestReplicationBase {
 
     // enabling and shutdown the peer
     admin.enablePeer("2");
-    utility2.shutdownMiniHBaseCluster();
+    utility2.getHBaseCluster().getMaster().shutdown();
 
     byte[] rowkey = Bytes.toBytes("disable inactive peer");
     Put put = new Put(rowkey);