java.lang.NoClassDefFoundError: org.eclipse.jetty.websocket.api.Session

Stack Overflow | Scott Nicklous | 6 months ago
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.eclipse.jetty.websocket.api.Session

    at java.net.URLClassLoader.findClass()
  2. Java RT
    Class.getDeclaredMethods
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:600)
    2. java.lang.ClassLoader.loadClassHelper(ClassLoader.java:777)
    3. java.lang.ClassLoader.loadClass(ClassLoader.java:750)
    4. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:326)
    5. java.lang.ClassLoader.loadClass(ClassLoader.java:731)
    6. java.lang.Class.getDeclaredMethodsImpl(Native Method)
    7. java.lang.Class.getDeclaredMethods(Class.java:916)
    7 frames
  3. HtmlUnit
    WebClient.<init>
    1. com.gargoylesoftware.htmlunit.javascript.configuration.AbstractJavaScriptConfiguration.process(AbstractJavaScriptConfiguration.java:197)
    2. com.gargoylesoftware.htmlunit.javascript.configuration.AbstractJavaScriptConfiguration.getClassConfiguration(AbstractJavaScriptConfiguration.java:172)
    3. com.gargoylesoftware.htmlunit.javascript.configuration.AbstractJavaScriptConfiguration.buildUsageMap(AbstractJavaScriptConfiguration.java:79)
    4. com.gargoylesoftware.htmlunit.javascript.configuration.AbstractJavaScriptConfiguration.<init>(AbstractJavaScriptConfiguration.java:59)
    5. com.gargoylesoftware.htmlunit.javascript.configuration.JavaScriptConfiguration.<init>(JavaScriptConfiguration.java:597)
    6. com.gargoylesoftware.htmlunit.javascript.configuration.JavaScriptConfiguration.getInstance(JavaScriptConfiguration.java:613)
    7. com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.<init>(JavaScriptEngine.java:133)
    8. com.gargoylesoftware.htmlunit.WebClient.init(WebClient.java:239)
    9. com.gargoylesoftware.htmlunit.WebClient.<init>(WebClient.java:213)
    9 frames
  4. selenium-htmlunit-driver
    HtmlUnitDriver.<init>
    1. org.openqa.selenium.htmlunit.HtmlUnitDriver.newWebClient(HtmlUnitDriver.java:349)
    2. org.openqa.selenium.htmlunit.HtmlUnitDriver.createWebClient(HtmlUnitDriver.java:315)
    3. org.openqa.selenium.htmlunit.HtmlUnitDriver.<init>(HtmlUnitDriver.java:192)
    4. org.openqa.selenium.htmlunit.HtmlUnitDriver.<init>(HtmlUnitDriver.java:182)
    4 frames
  5. javax.portlet.tck
    BugTest.main
    1. javax.portlet.tck.driver.BugTest.main(BugTest.java:52)
    1 frame