Which version of jmeter-plugins (version >= 0.3.0) can work under JDK 1.5?
And which version of JMeter is compatible with this version of jmeter-plugins?
All version of JMeter are compatible with JDK 1.5. If you find difficulty to run JMeter, you need to set system variable
Java_Path in environment variables.
You may possible checkout jmeter-plugin sources and try to build jars using JDK 1.5 and libraries taken from latest Jmeter.