JMXService (Flink : Core 2.2.0 API)

java.lang.Object
- org.apache.flink.management.jmx.JMXService

```
public class JMXService
extends Object
```
Provide a JVM-wide singleton JMX Service.

Constructor Summary

Constructors
Constructor Description

JMXService()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Optional<org.apache.flink.management.jmx.JMXServer>`	`getInstance()`	Acquire the global singleton JMXServer instance.
`static Optional<Integer>`	`getPort()`
`static void`	`startInstance(String portsConfig)`	Start the JMV-wide singleton JMX server.
`static void`	`stopInstance()`	Stop the JMX server.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - JMXService
```
public JMXService()
```
- Method Detail
  - getInstance
```
public static Optional<org.apache.flink.management.jmx.JMXServer> getInstance()
```
    Acquire the global singleton JMXServer instance.
  - startInstance
```
public static void startInstance(String portsConfig)
```
    Start the JMV-wide singleton JMX server.
    If JMXServer static instance is already started, it will not be started again. Instead a warning will be logged indicating which port the existing JMXServer static instance is exposing.
    
    Parameters:
    
    portsConfig - port configuration of the JMX server.
  - stopInstance
```
public static void stopInstance()
                         throws IOException
```
    Stop the JMX server.
    
    Throws:
    
    IOException
  - getPort
```
public static Optional<Integer> getPort()
```