我正在绑定MQTT jmeter采样器插件，但它抛出了NullPointerException

使用mosquitto客户端，我可以订阅和发布。但在Jmeter上，它不是wokring

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谢谢，这是您正在使用的插件中的一个bug

尝试此最新插件：

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我从下载了插件，您可以显示采样器的配置吗？订阅服务器：提供商URl:tcp://，客户端id=xyz，随机后缀长度=100，列表主题=xyz，“每个主题一个连接”，QOS至少一次，超时10000您可以尝试此MQTT jmeter插件：您可以添加更多信息，像问题报告的链接吗？

2014/12/10 15:39:52 INFO  - jmeter.gui.action.Start: Stopping test 
2014/12/10 15:39:52 INFO  - jmeter.threads.JMeterThread: Stopping: Thread Group 1-1 
2014/12/10 15:39:52 WARN  - jmeter.threads.JMeterThread: Interrupting: Thread Group 1-1 sampler: MQTT Subscriber 
2014/12/10 15:39:52 WARN  - jmeter.protocol.mqtt.sampler.SubscriberSampler:  java.lang.NullPointerException
    at org.fusesource.mqtt.client.CallbackConnection$8.onSuccess(CallbackConnection.java:501)
    at org.fusesource.mqtt.client.CallbackConnection$8.onSuccess(CallbackConnection.java:490)
    at org.fusesource.mqtt.client.CallbackConnection.disconnect(CallbackConnection.java:514)
    at org.apache.jmeter.protocol.mqtt.client.MqttSubscriber.close(MqttSubscriber.java:298)
    at org.apache.jmeter.protocol.mqtt.sampler.SubscriberSampler.interrupt(SubscriberSampler.java:164)
    at org.apache.jmeter.threads.JMeterThread.interrupt(JMeterThread.java:631)
    at org.apache.jmeter.threads.ThreadGroup.tellThreadsToStop(ThreadGroup.java:392)