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Thread: HtmlUnit Class Problem
- 08-21-2014, 10:19 AM #1
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HtmlUnit Class Problem
first of all sorry for bad english
i put the following code in button
final WebClient webClient = new WebClient();
but when i press the button i got the following error
I'm using linux lubuntu
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :760)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader .java:455)
at java.net.URLClassLoader.access$100(URLClassLoader. java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 367)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:4 24)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 57)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :760)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader .java:455)
at java.net.URLClassLoader.access$100(URLClassLoader. java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 367)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:4 24)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 57)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java :760)
at java.security.SecureClassLoader.defineClass(Secure ClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader .java:455)
at java.net.URLClassLoader.access$100(URLClassLoader. java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 367)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:4 24)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 57)
at vist4earn.Login.jButton1ActionPerformed(Login.java :89)
at vist4earn.Login.access$000(Login.java:21)
at vist4earn.Login$1.actionPerformed(Login.java:45)
at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed (AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.jav a:6527)
at javax.swing.JComponent.processMouseEvent(JComponen t.java:3321)
at java.awt.Component.processEvent(Component.java:629 2)
at java.awt.Container.processEvent(Container.java:223 4)
at java.awt.Component.dispatchEventImpl(Component.jav a:4883)
at java.awt.Container.dispatchEventImpl(Container.jav a:2292)
at java.awt.Component.dispatchEvent(Component.java:47 05)
at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:4462)
at java.awt.Container.dispatchEventImpl(Container.jav a:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739 )
at java.awt.Component.dispatchEvent(Component.java:47 05)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.j ava:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 716)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:82)
Caused by: java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal
at java.net.URLClassLoader$1.run(URLClassLoader.java: 372)
at java.net.URLClassLoader$1.run(URLClassLoader.java: 361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.j ava:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:4 24)
at sun.misc.Launcher$AppClassLoader.loadClass(Launche r.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:3 57)
... 75 more
i'm stuck here for 2 days Don't know where is the problem . i set the permmissins for the lib file of html unit but nothing is working
- 08-21-2014, 11:02 AM #2
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Re: HtmlUnit Class Problem
Presumably WebClient uses ElementTraversal somewhere, and you either have the wrong version on your classpath or you don't have it at all.
Please do not ask for code as refusal often offends.
** This space for rent **
- 08-21-2014, 11:16 AM #3
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