ClassNotFoundException: javax.servlet.AsyncContext in Jetty hello world in eclipse
12,908
I think you need the servlet api 3, not 2.5. AsyncContext was introduced in Servlet 3.0, it doesn't exist in 2.5.
Author by
bhavs
Updated on July 28, 2022Comments
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bhavs almost 2 years
I have followed the link http://wiki.eclipse.org/Jetty/Tutorial/Jetty_HelloWorld tutorial (with Eclipse). and also looked at the existing stackoverflow here
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.
I am still getting
`
2012-05-23 15:23:06.813:WARN:oeji.nio: java.lang.NoClassDefFoundError: javax/servlet/AsyncContextat 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)
`
Any thoughts ?