Tuesday, July 18, 2017

Re: Upgrading to GWT 2.8.1

Yes, we do, we have javax.ws.rs:javax.ws.rs-api 2.0.1 in our dependencies.

On Tuesday, July 18, 2017 at 3:03:13 PM UTC-5, Michael Joyner wrote:

I just noticed one of our projects has as dependencies:

    providedCompile 'javax.servlet:javax.servlet-api:3.0.1'
    compile 'javax.ws.rs:javax.ws.rs-api:2.0.1'

Do you have the second one?


On 07/18/2017 01:36 PM, Michael Joyner wrote:


We use Gradle here and not Maven, so I'm stuck at this point. I do know that when we previously tried 3.1.0 we had all sorts of issues with the Tomcat version we were using at the time. You might need to include an additional dependency for use by your servlet container. Jetty?


On 07/18/2017 11:33 AM, Renat Kabirov wrote:
Hi Michael Joyner, 

Just changed version to 3.0.1 - I see error during building: 
   Module setup completed in 32400 ms
java.lang.NoClassDefFoundError: javax/servlet/http/HttpSessionIdListener
at org.eclipse.jetty.server.session.SessionHandler.<clinit>(SessionHandler.java:54)
at org.eclipse.jetty.servlet.ServletContextHandler.newSessionHandler(ServletContextHandler.java:241)
at org.eclipse.jetty.servlet.ServletContextHandler.getSessionHandler(ServletContextHandler.java:334)
at org.eclipse.jetty.servlet.ServletContextHandler.relinkHandlers(ServletContextHandler.java:180)
at org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:157)
at org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:117)
at org.eclipse.jetty.servlet.ServletContextHandler.<init>(ServletContextHandler.java:105)
at com.google.gwt.dev.codeserver.WebServer.start(WebServer.java:129)
at com.google.gwt.dev.codeserver.CodeServer.start(CodeServer.java:162)
at com.google.gwt.dev.codeserver.CodeServer.main(CodeServer.java:104)
at com.google.gwt.dev.codeserver.CodeServer.main(CodeServer.java:55)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.gwt.dev.shell.SuperDevListener.runCodeServer(SuperDevListener.java:112)
at com.google.gwt.dev.shell.SuperDevListener.start(SuperDevListener.java:91)
at com.google.gwt.dev.DevMode.ensureCodeServerListener(DevMode.java:666)
at com.google.gwt.dev.DevModeBase.doStartup(DevModeBase.java:810)
at com.google.gwt.dev.DevMode.doStartup(DevMode.java:551)
at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:913)
at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:706)
at com.google.gwt.dev.DevMode.main(DevMode.java:432)
Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpSessionIdListener
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 23 more
Disconnected from the target VM, address: '127.0.0.1:57494', transport: 'socket'

On Mon, Jul 17, 2017 at 3:51 PM, Michael Joyner <mic...@newsrx.com> wrote:

try putting servlet to 3.0.1 and not 3.1.0 and see if that helps.


On 07/17/2017 03:13 PM, Renat Kabirov wrote:
I have a problem upgrading to GWT 2.8.1 from 2.7.0. 

Changed version of gwt in pom. Checked dependencies, updated them. Changed servlet-api version to 3.1.0. 

When I try to run application code server has an error: 

HTTP ERROR: 500

Problem accessing /. Reason:

    java.lang.NoSuchMethodError: javax.servlet.http.HttpServletResponse.getHeader(Ljava/lang/String;)Ljava/lang/String;

Powered by Jetty://

From what I got, I understand that Code server trying to use wrong version of servlet-api. I see in my classpath servlet-api version 2.3, but I removed all other servlet-api versions in every dependency has it. 

I would glad to look in your recommendations. 
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