Exception in thread "main" java.lang.NoClassDefFoundError: scala/swing/MainFrame

[swetha]

Hi Friends,

I found below error when i ran recorder.scala in intellijIdea. 

Configuaration details: 

<gatling.version>2.3.0</gatling.version>

<scala-maven-plugin.version>3.2.2</scala-maven-plugin.version>
<scala.version>2.12.3</scala.version>

Exception in thread "main" java.lang.NoClassDefFoundError: scala/swing/MainFrame

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:763)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)

at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

at java.net.URLClassLoader$1.run(URLClassLoader.java:368)

at java.net.URLClassLoader$1.run(URLClassLoader.java:362)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:361)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at io.gatling.recorder.ui.swing.SwingFrontend.configurationFrame$lzycompute(SwingFrontend.scala:31)

at io.gatling.recorder.ui.swing.SwingFrontend.configurationFrame(SwingFrontend.scala:31)

at io.gatling.recorder.ui.swing.SwingFrontend.init(SwingFrontend.scala:98)

at io.gatling.recorder.controller.RecorderController.<init>(RecorderController.scala:51)

at io.gatling.recorder.GatlingRecorder$.initRecorder(GatlingRecorder.scala:38)

at io.gatling.recorder.GatlingRecorder$.fromMap(GatlingRecorder.scala:34)

at Recorder$.delayedEndpoint$Recorder$1(Recorder.scala:11)

at Recorder$delayedInit$body.apply(Recorder.scala:4)

at scala.Function0.apply$mcV$sp(Function0.scala:34)

at scala.Function0.apply$mcV$sp$(Function0.scala:34)

at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)

at scala.App.$anonfun$main$1$adapted(App.scala:76)

at scala.collection.immutable.List.foreach(List.scala:389)

at scala.App.main(App.scala:76)

at scala.App.main$(App.scala:74)

at Recorder$.main(Recorder.scala:4)

at Recorder.main(Recorder.scala)

Caused by: java.lang.ClassNotFoundException: scala.swing.MainFrame

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 29 more