java.util.LinkedList$ListItr.checkForComodification(Unknown Source)

[karanraj188]

I am using Websocket Sampler plugin in JMeter but getting below error during test execution.

• Unexpected error: null java.util.LinkedList$ListItr.checkForComodification(Unknown Source) java.util.LinkedList$ListItr.next(Unknown Source) JMeter.plugins.functional.samplers.websocket.ServiceSocket.getResponseMessage(ServiceSocket.java:149) JMeter.plugins.functional.samplers.websocket.WebSocketSampler.sample(WebSocketSampler.java:159) org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:622) org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:546) org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:486) org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:253) java.lang.Thread.run(Unknown Source)