[GROOVY-5819] Groovlet are not working anymore with Groovy 2.0.5 and Tomcat

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Not A Problem
• Affects Version/s: 2.0.5
• Component/s: Groovlet / GSP
• Environment: Tomcat 6.0.36, Tomcat7.0.33
• Assignee: Guillaume Sauthier
• Reporter: Victor Benarbia
• Created: 27/Nov/12 00:28
• Updated: 03/Jan/13 15:01
• Resolved: 27/Nov/12 06:20

Description

Groovlet are no longer working with Groovy 2.0.5

On Tomcat 7.0.33 :

HTTP Status 500 - Error instantiating servlet class groovy.servlet.GroovyServlet

type Exception report

message Error instantiating servlet class groovy.servlet.GroovyServlet

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Error instantiating servlet class groovy.servlet.GroovyServlet
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	java.lang.Thread.run(Thread.java:662)
root cause

java.lang.ClassNotFoundException: groovy.servlet.GroovyServlet
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	java.lang.Thread.run(Thread.java:662)

On Tomcat 6.0.36 :

HTTP Status 500 - Wrapper cannot find servlet class groovy.servlet.GroovyServlet or a class it depends on

type Exception report

message Wrapper cannot find servlet class groovy.servlet.GroovyServlet or a class it depends on

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Wrapper cannot find servlet class groovy.servlet.GroovyServlet or a class it depends on
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
	org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
	org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	java.lang.Thread.run(Thread.java:662)
root cause

java.lang.ClassNotFoundException: groovy.servlet.GroovyServlet
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
	org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
	org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	java.lang.Thread.run(Thread.java:662)

I attached a test case which is a basic war file build with gradle 1.2.
I did make this war file working with Tomcat 6 and Groovy 1.8.6 (like example).
url : http://localhost:8080/groovlet/test.groovy