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Re: [jetty-users] java.lang.NoClassDefFoundError: org/eclipse/jetty/util/Attributes$Wrapper

Hello

 

I use Jetty with Jersey, I have no such problems, you can have a look at my project, maybe it could help you:

https://sourceforge.net/projects/red-feed-aggregator/

 

I think that a dependency is missing in your pom file.

 

> Message du 20/09/20 21:10
> De : "Shaffin Bhanji" <shaffin.bhanji@xxxxxxxxx>
> A : jetty-users@xxxxxxxxxxx
> Copie à :
> Objet : [jetty-users] java.lang.NoClassDefFoundError: org/eclipse/jetty/util/Attributes$Wrapper
>
>
Hello,
 
I am new to Jetty and have seen some inconsistent behavior that I am struggling to find the cause. I am using the embedded jetty via a maven dependency file that is shown below. I am trying to use the the jersey container to support webservice annotations.
 
<?xml version="1.0" encoding="UTF-8"?>



org.eclipse.jetty
jetty-server
9.4.31.v20200723



org.eclipse.jetty
jetty-servlet
9.4.31.v20200723



org.glassfish.jersey.core
jersey-server
2.31



org.glassfish.jersey.containers
jersey-container-servlet-core
2.31



org.glassfish.jersey.containers
jersey-container-jetty-http
2.31



org.glassfish.jersey.media
jersey-media-moxy
2.31


org.glassfish.jersey.inject
jersey-hk2
2.31



com.google.code.gson
gson
2.8.6



commons-io
commons-io
2.8.0



 
I sometimes encounter no problems, and sometime struggle for with the following exception!
 
java.lang.NoClassDefFoundError: org/eclipse/jetty/util/Attributes$Wrapper
    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:468)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:164)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:78)
    at org.eclipse.jetty.server.ResourceService.sendWelcome(ResourceService.java:436)
    at org.eclipse.jetty.server.ResourceService.doGet(ResourceService.java:251)
    at org.eclipse.jetty.server.handler.ResourceHandler.handle(ResourceHandler.java:256)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1377)
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:190)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1292)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:234)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle(Server.java:501)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:383)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:556)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:375)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:273)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
    at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
    at java.lang.Thread.run(Thread.java:748)
 
Can anyone assist?
 
Thanks,
Shaffin.
 
 
 



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