Fixes #1012 Local MBean name part should be key-property list

src/main/java/com/zaxxer/hikari/pool/PoolBase.java

@@ -274,8 +274,8 @@ abstract class PoolBase
       try {
          final MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
 
-         final ObjectName beanConfigName = new ObjectName("com.zaxxer.hikari:type=PoolConfig (" + poolName + ")");
-         final ObjectName beanPoolName = new ObjectName("com.zaxxer.hikari:type=Pool (" + poolName + ")");
+         final ObjectName beanConfigName = new ObjectName("com.zaxxer.hikari:type=PoolConfig,name=" + poolName);
+         final ObjectName beanPoolName = new ObjectName("com.zaxxer.hikari:type=Pool,name=" + poolName);
          if (register) {
             if (!mBeanServer.isRegistered(beanConfigName)) {
                mBeanServer.registerMBean(config, beanConfigName);

src/test/java/com/zaxxer/hikari/pool/TestMBean.java

@@ -20,6 +20,7 @@ import com.zaxxer.hikari.HikariConfigMXBean;
 import com.zaxxer.hikari.HikariDataSource;
 import com.zaxxer.hikari.HikariPoolMXBean;
 import com.zaxxer.hikari.mocks.StubDataSource;
+import java.util.Hashtable;
 import org.junit.Test;
 
 import javax.management.JMX;
@@ -71,7 +72,10 @@ public class TestMBean
          TimeUnit.SECONDS.sleep(1);
 
          MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
-         ObjectName poolName = new ObjectName("com.zaxxer.hikari:type=Pool (testMBeanReporting)");
+         Hashtable<String, String> properties = new Hashtable<>(2);
+         properties.put("type", "Pool");
+         properties.put("name", "testMBeanReporting");
+         ObjectName poolName = new ObjectName("com.zaxxer.hikari", properties);
          HikariPoolMXBean hikariPoolMXBean = JMX.newMXBeanProxy(mBeanServer, poolName, HikariPoolMXBean.class);
 
          assertEquals(0, hikariPoolMXBean.getActiveConnections());