Package org.jolokia.jvmagent

Class JvmAgent

java.lang.Object

org.jolokia.jvmagent.JvmAgent

public final class JvmAgent
extends Object

A JVM level agent using the JDK11+ HTTP Server HttpServer or its SSL variant HttpsServer. Beside the configuration defined in ConfigKey, this agent honors the following additional configuration keys:

• host : Host address to bind to
• port : Port to listen on
• backlog : max. nr of requests queued up before they get rejected
• config : path to a properties file containing configuration
• ....

Configuration will be also looked up from a properties file found in the class path as /default-jolokia-agent.properties All configurations will be merged in the following order with the later taking precedence:

• Default properties from /default-jolokia-agent.properties
• Configuration from a config file (if given)
• Options given on the command line in the form -javaagent:agent.jar=key1=value1,key2=value2...

Since:

Mar 3, 2010

Author:

roland

Field Summary

Fields

Modifier and Type	Field	Description
static final String	JOLOKIA_AGENT_URL

Method Summary

Modifier and Type	Method	Description
static void	agentmain(String agentArgs, Instrumentation instrumentation)	Entry point for the agent, using dynamic attach.
static void	premain(String agentArgs, Instrumentation inst)	Entry point for the agent, using command line attach (that is via -javaagent command line argument)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

JOLOKIA_AGENT_URL

public static final String JOLOKIA_AGENT_URL

See Also:

• Constant Field Values

Method Details

premain

public static void premain(String agentArgs,
 Instrumentation inst)

Entry point for the agent, using command line attach (that is via -javaagent command line argument)

Parameters:

agentArgs - arguments as given on the command line

agentmain

public static void agentmain(String agentArgs,
 Instrumentation instrumentation)

Entry point for the agent, using dynamic attach. (this is a post VM initialisation attachment, via com.sun.attach)

Parameters:

agentArgs - arguments as given on the command line