我是 Jmeter/Java 新手并下载了 ATLANTBH Jmeter 插件并尝试使用 JSON 路径提取器。它只是给我这个错误
meter.threads.JMeterThread: Test failed! java.lang.NoClassDefFoundError: org/apache/commons/lang/Validate
at com.jayway.jsonpath.JsonPath.read(JsonPath.java:313)
at com.atlantbh.jmeter.plugins.jsonutils.jsonpathextractor.JSONPathExtractor.extractJSONPath(JSONPathExtractor.java:56)
at com.atlantbh.jmeter.plugins.jsonutils.jsonpathextractor.JSONPathExtractor.process(JSONPathExtractor.java:80)
at org.apache.jmeter.threads.JMeterThread.runPostProcessors(JMeterThread.java:737)
at org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:439)
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:257)
at java.lang.Thread.run(Unknown Source)
谁能解释我可能做错了什么？