Re: Upgrading to GWT 2.8.1

[Michael Joyner]

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 <mich...@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.  -- You received this message because you are subscribed to the Google Groups "GWT Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at https://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "GWT Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to google-web-toolkit+unsubscr...@googlegroups.com. To post to this group, send email to google-web-toolkit@googlegroups.com. Visit this group at https://groups.google.com/group/google-web-toolkit. For more options, visit https://groups.google.com/d/optout.