How do you monitor JConsole?
How do you monitor JConsole?
So to use jconsole for monitoring your application, you would need to compile and execute your code first and while your code is executing…
- Start -> Run -> jconsole.exe and hit/press Enter.
- Select the application which you want to monitor and then click Connect .
What is JConsole and how do you use it?
JConsole is a JMX compliant monitoring and management tool. It allows you to connect to a remote Java application or JVM and monitor it. JConsole provides a simple Graphical User Interface (GUI) with some limited but important features that make it easy to monitor your Java application.
Why do we use JConsole?
The jconsole command launches a graphical console tool that enables you to monitor and manage Java applications on a local or remote machine. JConsole can attach to any application that is started with the Java Management Extensions (JMX) agent. A system property defined on the command line enables the JMX agent.
Does JMX impact performance?
In general running the JVM with JMX enabled does not incur in appreciable performance hits. The performance hit happens only when a tool like jconsole is connected and actually polling for information.
How do you use the JConsole remote process?
To connect JConsole to server process, in the Remote Process section, specify the URL service:jmx:rmi:///jndi/rmi://localhost:2047/fmq and credentials pertaining to the server. Default user name and password are admin and passwd respectively.
How does JConsole connect to local process?
The Local Process option lists any Java VMs running on the local system that were started with the same user ID as JConsole, along with their process ID and their class and/or argument information. To connect JConsole to your application, select the application you want to monitor, then click the Connect button.
What is JMX monitoring?
Java Management Extensions (JMX) is a specification for monitoring and managing Java applications. It enables a generic management system to monitor your application; raise notifications when the application needs attention; and change the state of your application to remedy problems.
What is JMX used for?
The JMX technology can be used for out-of-the-box management of the Java VM. The Java Virtual Machine (Java VM) is highly instrumented using the JMX technology. You can start a JMX agent to access the built-in Java VM instrumentation, and thereby monitor and manage a Java VM remotely.
How do you set up JConsole?
Starting JConsole. The jconsole executable can be found in JDK_HOME/bin, where JDK_HOME is the directory in which the Java Development Kit (JDK) is installed. If this directory is in your system path, you can start JConsole by simply typing jconsole in a command (shell) prompt.
