7
我已經按照鏈接http://wiki.eclipse.org/Jetty/Tutorial/Jetty_HelloWorld教程（使用Eclipse）。並且還查看了現有的計算器stackoverflow hereClassNotFoundException：Jetty中的javax.servlet.AsyncContext eclipse中的hello世界
我使用聚合jetty 8.0.0.jar和8.1.3.jar以及servlet-api-2.5.jar。我已經將這兩個罐子添加到了類路徑中，並且還包含了slf4j-simple-1.6.4.jar。
我仍然得到
'
2012-05-23 15：23：06.813：警告：oeji.nio： java.lang.NoClassDefFoundError：使用javax/servlet的/ AsyncContext
at org.eclipse.jetty.server.HttpConnection.<init>(HttpConnection.java:155)
at org.eclipse.jetty.server.AsyncHttpConnection.<init>(AsyncHttpConnection.java:19)
at org.eclipse.jetty.server.nio.SelectChannelConnector$SelectChannelHttpConnection.<init>(SelectChannelConnector.java:309)
at org.eclipse.jetty.server.nio.SelectChannelConnector$SelectChannelHttpConnection.<init>(SelectChannelConnector.java:303)
at org.eclipse.jetty.server.nio.SelectChannelConnector.newConnection(SelectChannelConnector.java:286)
at org.eclipse.jetty.server.nio.SelectChannelConnector$ConnectorSelectorManager.newConnection(SelectChannelConnector.java:364)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.<init>(SelectChannelEndPoint.java:71)
at org.eclipse.jetty.server.nio.SelectChannelConnector.newEndPoint(SelectChannelConnector.java:274)
at org.eclipse.jetty.server.nio.SelectChannelConnector$ConnectorSelectorManager.newEndPoint(SelectChannelConnector.java:370)
at org.eclipse.jetty.io.nio.SelectorManager$SelectSet.createEndPoint(SelectorManager.java:938)
at org.eclipse.jetty.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:497)
at org.eclipse.jetty.io.nio.SelectorManager$1.run(SelectorManager.java:283)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:533)
at java.lang.Thread.run(Thread.java:679)
Caused by:
java.lang.ClassNotFoundException: javax.servlet.AsyncContext
at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
at org.eclipse.jetty.server.HttpConnection.<init>(HttpConnection.java:155)
at org.eclipse.jetty.server.AsyncHttpConnection.<init>(AsyncHttpConnection.java:19)
at org.eclipse.jetty.server.nio.SelectChannelConnector$SelectChannelHttpConnection.<init>(SelectChannelConnector.java:309)
at org.eclipse.jetty.server.nio.SelectChannelConnector$SelectChannelHttpConnection.<init>(SelectChannelConnector.java:303)
at org.eclipse.jetty.server.nio.SelectChannelConnector.newConnection(SelectChannelConnector.java:286)
at org.eclipse.jetty.server.nio.SelectChannelConnector$ConnectorSelectorManager.newConnection(SelectChannelConnector.java:364)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.<init>(SelectChannelEndPoint.java:71)
at org.eclipse.jetty.server.nio.SelectChannelConnector.newEndPoint(SelectChannelConnector.java:274)
at org.eclipse.jetty.server.nio.SelectChannelConnector$ConnectorSelectorManager.newEndPoint(SelectChannelConnector.java:370)
at org.eclipse.jetty.io.nio.SelectorManager$SelectSet.createEndPoint(SelectorManager.java:938)
at org.eclipse.jetty.io.nio.SelectorManager$SelectSet.doSelect(SelectorManager.java:497)
at org.eclipse.jetty.io.nio.SelectorManager$1.run(SelectorManager.java:283)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:533)
at java.lang.Thread.run(Thread.java:679)
`
有什麼想法？
正確，你也應該更新到更新版本的jetty8，8.1.3.v20120416是固體 –
Servlet api 3.0可以從[這裏]下載（http://download.oracle.com/otndocs/jcp/ servlet-3.0-fr-eval-oth-JSpec /）**編輯：** Servlet api 3.0解決了@Kai Sternad回答的問題。爲了具體提供鏈接，原因是因爲servlet-api-3.0-alpha-1版本不能解決問題。然而，在[tutorials]（http://wiki.eclipse.org/Jetty/Tutorial/Jetty_HelloWorld）中的servlet api的鏈接有這個版本可作爲** latest ** download，它不包含class [AsyncContext]（ http://docs.oracle.com/javaee/6/api/javax/servlet/AsyncContext.html），因此沒有' – mluthra