java ClassNotFoundException: javax.servlet.AsyncContext in Jetty hello world in eclipse
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ClassNotFoundException: javax.servlet.AsyncContext in Jetty hello world in eclipse
提问by bhavs
I have followed the link http://wiki.eclipse.org/Jetty/Tutorial/Jetty_HelloWorldtutorial (with Eclipse). and also looked at the existing stackoverflow here
我遵循了链接http://wiki.eclipse.org/Jetty/Tutorial/Jetty_HelloWorld教程（使用 Eclipse）。并在这里查看了现有的stackoverflow
I am using the aggregate jetty 8.0.0.jar and 8.1.3.jar along with the servlet-api-2.5.jar. I have added these 2 jars to the class path and also included the slf4j-simple-1.6.4.jar too.
我正在使用聚合码头 8.0.0.jar 和 8.1.3.jar 以及 servlet-api-2.5.jar。我已将这 2 个 jar 添加到类路径中，并且还包含了 slf4j-simple-1.6.4.jar。
I am still getting
我还在
`
2012-05-23 15:23:06.813:WARN:oeji.nio:
java.lang.NoClassDefFoundError: javax/servlet/AsyncContext
`
2012-05-23 15:23:06.813:WARN:oeji.nio: java.lang.NoClassDefFoundError: javax/servlet/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.run(SelectorManager.java:283)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
at org.eclipse.jetty.util.thread.QueuedThreadPool.run(QueuedThreadPool.java:533)
at java.lang.Thread.run(Thread.java:679)
Caused by:
java.lang.ClassNotFoundException: javax.servlet.AsyncContext
at java.net.URLClassLoader.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.run(SelectorManager.java:283)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:598)
at org.eclipse.jetty.util.thread.QueuedThreadPool.run(QueuedThreadPool.java:533)
at java.lang.Thread.run(Thread.java:679)
`
`
Any thoughts ?
有什么想法吗 ？
回答by Kai Sternad
I think you need the servlet api 3, not 2.5. AsyncContextwas introduced in Servlet 3.0, it doesn't exist in 2.5.
我认为您需要 servlet api 3，而不是 2.5。AsyncContext是在 Servlet 3.0 中引入的，它在 2.5 中不存在。
