How do I pass arguments to a java.lang.instrument
instrumentation agent? The documentation simply states:
-javaagent:
jarpath[=options]
What options can I select?
To pass arguments to a Java agent, append them after the equals sign:
java -javaagent:/path/to/agent.jar=argumentstring -cp jar-under-test.jar Foo.Main
The arguments are treated as a single string and passed to your premain
method. You are responsible for any further processing of the arguments, eg splitting on commas or separating key=value
pairs.
public static void premain(String agentArgument,Instrumentation instrumentation){
// args passed in 'agentArgument'
}
Note: if you don't pass any arguments to your agent (ie omitting the equals sign), the agentArgument
argument will be null , rather than an empty string.
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