Java 无法在jmeter中使用jp gc生成器获取图形

即使从jmeter plugins.org站点安装了插件，我也无法查看图形

我可以在监听器中查看jpgc图，但在运行时，仅创建csv，而不是图形

我没有收到任何错误消息，但它显示了警告。我正确地遵循了中提到的所有步骤

以下是错误日志：

2017/02/22 16:07:49 INFO  - jmeter.engine.StandardJMeterEngine: Running the test! 
2017/02/22 16:07:49 INFO  - jmeter.samplers.SampleEvent: List of sample_variables: [] 
2017/02/22 16:07:49 INFO  - jmeter.gui.util.JMeterMenuBar: setRunning(true,*local*) 
2017/02/22 16:07:50 INFO  - jmeter.engine.StandardJMeterEngine: Starting ThreadGroup: 1 : Thread Group 
2017/02/22 16:07:50 INFO  - jmeter.engine.StandardJMeterEngine: Starting 10 threads for group Thread Group. 
2017/02/22 16:07:50 INFO  - jmeter.engine.StandardJMeterEngine: Thread will continue on error 
2017/02/22 16:07:50 INFO  - jmeter.threads.ThreadGroup: Starting thread group number 1 threads 10 ramp-up 5 perThread 500.0 delayedStart=false 
2017/02/22 16:07:50 INFO  - jmeter.threads.ThreadGroup: Started thread group number 1 
2017/02/22 16:07:50 INFO  - jmeter.engine.StandardJMeterEngine: All thread groups have been started 
2017/02/22 16:07:50 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-1 
2017/02/22 16:07:50 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-2 
2017/02/22 16:07:51 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-3 
2017/02/22 16:07:51 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-4 
2017/02/22 16:07:52 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-5 
2017/02/22 16:07:52 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-6 
2017/02/22 16:07:53 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-7 
2017/02/22 16:07:53 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-8 
2017/02/22 16:07:54 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-9 
2017/02/22 16:07:54 INFO  - jmeter.threads.JMeterThread: Thread started: Thread Group 1-10 
2017/02/22 16:07:57 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-1 
2017/02/22 16:07:57 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-1 
2017/02/22 16:07:58 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-4 
2017/02/22 16:07:58 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-4 
2017/02/22 16:07:59 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-3 
2017/02/22 16:07:59 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-3 
2017/02/22 16:07:59 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-2 
2017/02/22 16:07:59 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-2 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-7 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-7 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-5 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-5 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-8 
2017/02/22 16:08:00 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-8 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-9 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-9 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-6 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-6 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread is done: Thread Group 1-10 
2017/02/22 16:08:01 INFO  - jmeter.threads.JMeterThread: Thread finished: Thread Group 1-10 
2017/02/22 16:08:01 INFO  - jmeter.engine.StandardJMeterEngine: Notifying test listeners of end of test 
2017/02/22 16:08:01 INFO  - kg.apc.jmeter.PluginsCMDWorker: Using JMeterPluginsCMD v. N/A 
2017/02/22 16:08:01 WARN  - kg.apc.jmeter.JMeterPluginsUtils: JMeter env exists. No one should see this normally. 
2017/02/22 16:08:01 WARN  - jmeter.engine.StandardJMeterEngine: Error encountered during shutdown of kg.apc.jmeter.listener.GraphsGeneratorListener@297d7a76 java.lang.RuntimeException: java.lang.ClassNotFoundException: kg.apc.jmeter.vizualizers.SynthesisReportGui
    at kg.apc.jmeter.PluginsCMDWorker.getGUIObject(PluginsCMDWorker.java:237)
    at kg.apc.jmeter.PluginsCMDWorker.getGUIObject(PluginsCMDWorker.java:234)
    at kg.apc.jmeter.PluginsCMDWorker.setPluginType(PluginsCMDWorker.java:73)
    at kg.apc.jmeter.listener.GraphsGeneratorListener.testEnded(GraphsGeneratorListener.java:221)
    at kg.apc.jmeter.listener.GraphsGeneratorListener.testEnded(GraphsGeneratorListener.java:137)
    at org.apache.jmeter.engine.StandardJMeterEngine.notifyTestListenersOfEnd(StandardJMeterEngine.java:215)
    at org.apache.jmeter.engine.StandardJMeterEngine.run(StandardJMeterEngine.java:436)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: kg.apc.jmeter.vizualizers.SynthesisReportGui
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at kg.apc.jmeter.PluginsCMDWorker.getGUIObject(PluginsCMDWorker.java:227)
    ... 7 more

2017/02/22 16:08:01 INFO  - jmeter.gui.util.JMeterMenuBar: setRunning(false,*local*) 

您需要Graphs Generator的先决条件，您可以安装它或使用（推荐）

我们是否还需要在JMeter的

lib/ext

安装目录中安装JMeter-Extras.jar？我发现其中提到有必要安装它们，但它的1.4.0版是从2016年开始的，我使用的是JMeter 5.2.1 verison（更多详细信息）。