Kiran Joshi Kiran Joshi - 1 year ago 389
Java Question

javax.servlet.ServletException: Not running on Jetty, JSR-356 support unavailable

I am facing a problem while deploying a war on to tomcat instance,

Tomcat version details,

D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63\bin>version.bat
Using CATALINA_BASE: "D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63"
Using CATALINA_HOME: "D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63"
Using CATALINA_TMPDIR: "D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63\temp"
Using JRE_HOME: "C:\Program Files\Java\jdk1.7.0_07"
Using CLASSPATH: "D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63\bin\bootstrap.jar;D:\Kiran\Kiran\Softwares DH\Webservers\apache-to
Server version: Apache Tomcat/7.0.63
Server built: Jun 30 2015 08:08:33 UTC
Server number:
OS Name: Windows 7
OS Version: 6.1
Architecture: amd64
JVM Version: 1.7.0_07-b11
JVM Vendor: Oracle Corporation
D:\Kiran\Kiran\Softwares DH\Webservers\apache-tomcat-7.0.63\bin>

POM Dependency :


I have created a war using maven plugin and tried to deploy on tomcat 7. I was able to deploy but unable to start the webapp. When I find the logs for it, it gave below stacktrace,

SEVERE: Error during ServletContainerInitializer processing
javax.servlet.ServletException: Not running on Jetty, JSR-356 support unavailable
at org.eclipse.jetty.websocket.jsr356.server.deploy.WebSocketServerContainerInitializer.onStartup(
at org.apache.catalina.core.StandardContext.startInternal(
at org.apache.catalina.util.LifecycleBase.start(
at org.apache.catalina.manager.ManagerServlet.start(
at org.apache.catalina.manager.HTMLManagerServlet.start(
at org.apache.catalina.manager.HTMLManagerServlet.doPost(
at javax.servlet.http.HttpServlet.service(
at javax.servlet.http.HttpServlet.service(
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(

Any help would be appreciated.
Thank you.

Edit :

It runs fine when I run the application using STS

Answer Source

The problem is identified to be confusion over the websocket jars of tomcat and my application jars. I have removed it from the war file and it started working,

I used maven plug in to remove the jars as below,


The jars which were creating problem are,

enter image description here

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