Fix JDK 1.4 compatibility of the agent
Fix JDK 1.4 compatibility of the agent

ptrd/jmeter-plugins,ptrd/jmeter-plugins,Sausageo/jmeter-plugins,Sausageo/jmeter-plugins,ptrd/jmeter-plugins,ptrd/jmeter-plugins,ptrd/jmeter-plugins,Sausageo/jmeter-plugins,Sausageo/jmeter-plugins,Sausageo/jmeter-plugins