JMX probe

Starting with version 5.0.0, agent doesn’t support local JMX checks.

This sensor allows to monitor Java applications, which support JMX technology: Java Management Extensions.

Settings example

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Field Description (local connection) Description (remote connection)

PID

Process ID for connection.

-

Hostname

-

IP address or hostname.

Port

-

Port number.

Login

User login.

Password

User password.

MBeanName

Name of the object that is the Java application resource.

Period

How often to perform the check (60 seconds by default).

Result

After the check has been done result is displayed in the Data table:

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The set of metrics is different and depends on the tested Java application.

Known problems and errors

Sensor error! No such process

The process is absent.

Check the correctness of the process ID (PID).

Sensor error! Connection refused

Denial of connection.

Probable reasons:

  • the specified hostname is incorrect;

  • the specified hostname is not available from the network, where the check was performed;

  • the specified port number is incorrect;

  • firewall blocks the specified port.

Check the correctness of the specified hostname.

Check the correctness of the specified port number.

Check the firewall rules and make sure that the specified port is not among the blocked ports.