Yeah you were right. It works now, the only thing is that it doesn't show the gwt elements in the page.
[image: imagen_2023-10-30_131300242.png] On Monday, October 30, 2023 at 12:50:40 PM UTC-4 Colin Alworth wrote: > Sorry, hit send too early - when using CodeServer, you should be sure to > start your own tomcat - for whatever reason, that error message at > localhost:8080 indicates that tomcat isn't running or isnt reachable at > that port. > > On Monday, October 30, 2023 at 11:49:43 AM UTC-5 Colin Alworth wrote: > >> At a glance, it appears that you started CodeServer rather than DevMode - >> but the default port would have been 8888 rather than 8080 if your app was >> hosted by DevMode. >> >> On Monday, October 30, 2023 at 11:42:04 AM UTC-5 [email protected] wrote: >> >>> Hello thanks for the response. I did change to gwt 2.10 and I'm using >>> the Tomcat as the servlet container like you said. I manage to do this >>> steps >>> http://gwt-plugins.github.io/documentation/gwt-eclipse-plugin/debugging/GWTDevModeAndTomcatWebServer.html >>> >>> I everything is fine until I go to the explorer and this page comes first. >>> >>> [image: 9876.png] >>> >>> I change the port and add the /AutoSys1-server/ like the tutorial said >>> but this happens. >>> >>> [image: 8080.png] >>> >>> >>> This are some info to give more context: >>> >>> [image: debug-pro.png] >>> [image: debug.png] >>> >>> [image: log.png] >>> >>> [image: log2.png] >>> >>> On Sunday, October 29, 2023 at 3:37:49 PM UTC-4 Colin Alworth wrote: >>> >>>> There are a few options I would suggest: >>>> * Upgrade to GWT 2.10 (especially since this is a new project). This >>>> is probably the simplest and best option. The new version of Jetty used >>>> there will not have this issue with scanning module files. >>>> * Stop using DevMode as an application server - run your own server, >>>> using the servlet container of your choice, and either pass -noserver to >>>> DevMode, or switch to CodeServer. This is a good idea whether or not you >>>> upgrade to GWT 2.10. >>>> * Downgrade to Java8, or at least remove any dependency that uses >>>> Java9+ bytecode. This might be your own project, based on the error >>>> messages. This is probably a pretty terrible option, but if your brand new >>>> project can't use latest GWT, and it happens that you don't actually need >>>> that dependency and it solves the problem, then it might be acceptable. If >>>> you actually want the annotation configuration to take place, take >>>> one/both >>>> of the earlier options. >>>> * Finally, it is possible to extend JettyLauncher and further >>>> customize the types that Jetty will scan. Start by overriding >>>> createWebAppContext(), configure the instance created by the super call as >>>> desired, then pass -server com.mycompany.myserver.MyCustomJettyLauncher to >>>> dev mode when it starts to use this type instead of the built in type. >>>> >>>> On Saturday, October 28, 2023 at 1:03:16 PM UTC-5 [email protected] >>>> wrote: >>>> >>>>> Hello. I'm trying to create a new GWT Project in Eclipse following the >>>>> official tutorial. I'm using GWT 2.9 + JDK 11. I create the project with >>>>> the plug in in eclipse but I can't debug the app like the tutorial said. >>>>> >>>>> Loading Java files in com.ve.siaconca.AutoSys. >>>>> >>>>> Module setup completed in 5740 ms >>>>> >>>>> 2023-10-28 13:34:15.138:INFO:oejs.Server:main: jetty-9.2.z-SNAPSHOT >>>>> >>>>> 2023-10-28 13:34:15.212:INFO:oejsh.ContextHandler:main: Started >>>>> o.e.j.s.ServletContextHandler@1eb918ed{/,null,AVAILABLE} >>>>> >>>>> 2023-10-28 13:34:15.268:INFO:oejs.ServerConnector:main: Started >>>>> ServerConnector@37c5c9b9{HTTP/1.1}{127.0.0.1:9876} >>>>> >>>>> 2023-10-28 13:34:15.269:INFO:oejs.Server:main: Started @8336ms >>>>> >>>>> >>>>> The code server is ready at http://127.0.0.1:9876/ >>>>> >>>>> Code server started in 6.471 s ms >>>>> >>>>> [ERROR] jreLeakPrevention.gcDaemonFail >>>>> >>>>> java.lang.ClassNotFoundException: sun.misc.GC >>>>> >>>>> at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass( >>>>> BuiltinClassLoader.java:581) >>>>> >>>>> at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass( >>>>> ClassLoaders.java:178) >>>>> >>>>> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) >>>>> >>>>> at java.base/java.lang.Class.forName0(Native Method) >>>>> >>>>> at java.base/java.lang.Class.forName(Class.java:315) >>>>> >>>>> at com.google.gwt.dev.shell.jetty.JettyLauncher.jreLeakPrevention( >>>>> JettyLauncher.java:899) >>>>> >>>>> at com.google.gwt.dev.shell.jetty.JettyLauncher.start( >>>>> JettyLauncher.java:722) >>>>> >>>>> at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:636) >>>>> >>>>> at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:898) >>>>> >>>>> at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:705) >>>>> >>>>> at com.google.gwt.dev.DevMode.main(DevMode.java:432) >>>>> >>>>> 2023-10-28 13:34:15.591:INFO:oejs.Server:main: jetty-9.2.z-SNAPSHOT >>>>> >>>>> Starting Jetty on port 8888 >>>>> >>>>> 2023-10-28 13:34:18.199:INFO:oejs.ServerConnector:main: Started >>>>> ServerConnector@677e3282{HTTP/1.1}{127.0.0.1:8888} >>>>> >>>>> 2023-10-28 13:34:18.202:INFO:oejs.Server:main: Started @11268ms >>>>> >>>>> [WARN] Failed startup of context >>>>> c.g.g.d.s.j.WebAppContextWithReload@6cc8136b{/,file:/C:/Users/VICTOR/eclipse-workspace/AutoSys/war/,STARTING}{C:\Users\VICTOR\eclipse-workspace\AutoSys\war} >>>>> >>>>> MultiException[java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1.class, java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1MyHandler$1.class, java.lang.RuntimeException: Error >>>>> scanning file AutoSys$1MyHandler.class, java.lang.RuntimeException: >>>>> Error scanning file AutoSys.class] >>>>> >>>>> at >>>>> org.eclipse.jetty.annotations.AnnotationConfiguration.scanForAnnotations( >>>>> AnnotationConfiguration.java:536) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationConfiguration.configure( >>>>> AnnotationConfiguration.java:447) >>>>> >>>>> at org.eclipse.jetty.webapp.WebAppContext.configure( >>>>> WebAppContext.java:479) >>>>> >>>>> at org.eclipse.jetty.webapp.WebAppContext.startContext( >>>>> WebAppContext.java:1337) >>>>> >>>>> at org.eclipse.jetty.server.handler.ContextHandler.doStart( >>>>> ContextHandler.java:741) >>>>> >>>>> at org.eclipse.jetty.webapp.WebAppContext.doStart( >>>>> WebAppContext.java:505) >>>>> >>>>> at >>>>> com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart( >>>>> JettyLauncher.java:550) >>>>> >>>>> at org.eclipse.jetty.util.component.AbstractLifeCycle.start( >>>>> AbstractLifeCycle.java:68) >>>>> >>>>> at org.eclipse.jetty.util.component.ContainerLifeCycle.start( >>>>> ContainerLifeCycle.java:132) >>>>> >>>>> at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart( >>>>> ContainerLifeCycle.java:114) >>>>> >>>>> at org.eclipse.jetty.server.handler.AbstractHandler.doStart( >>>>> AbstractHandler.java:61) >>>>> >>>>> at org.eclipse.jetty.server.handler.RequestLogHandler.doStart( >>>>> RequestLogHandler.java:140) >>>>> >>>>> at org.eclipse.jetty.util.component.AbstractLifeCycle.start( >>>>> AbstractLifeCycle.java:68) >>>>> >>>>> at org.eclipse.jetty.util.component.ContainerLifeCycle.start( >>>>> ContainerLifeCycle.java:132) >>>>> >>>>> at org.eclipse.jetty.server.Server.start(Server.java:387) >>>>> >>>>> at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart( >>>>> ContainerLifeCycle.java:114) >>>>> >>>>> at org.eclipse.jetty.server.handler.AbstractHandler.doStart( >>>>> AbstractHandler.java:61) >>>>> >>>>> at org.eclipse.jetty.server.Server.doStart(Server.java:354) >>>>> >>>>> at org.eclipse.jetty.util.component.AbstractLifeCycle.start( >>>>> AbstractLifeCycle.java:68) >>>>> >>>>> at com.google.gwt.dev.shell.jetty.JettyLauncher.start( >>>>> JettyLauncher.java:760) >>>>> >>>>> at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:636) >>>>> >>>>> at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:898) >>>>> >>>>> at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:705) >>>>> >>>>> at com.google.gwt.dev.DevMode.main(DevMode.java:432) >>>>> >>>>> Caused by: MultiException[java.lang.RuntimeException: Error scanning >>>>> file AutoSys$1.class, java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1MyHandler$1.class, java.lang.RuntimeException: Error >>>>> scanning file AutoSys$1MyHandler.class, java.lang.RuntimeException: >>>>> Error scanning file AutoSys.class] >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:681) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:688) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:688) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:688) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:688) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parse( >>>>> AnnotationParser.java:824) >>>>> >>>>> at >>>>> org.eclipse.jetty.annotations.AnnotationConfiguration$ParserTask.call( >>>>> AnnotationConfiguration.java:163) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationConfiguration$1.run( >>>>> AnnotationConfiguration.java:548) >>>>> >>>>> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob( >>>>> QueuedThreadPool.java:635) >>>>> >>>>> at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run( >>>>> QueuedThreadPool.java:555) >>>>> >>>>> at java.base/java.lang.Thread.run(Thread.java:834) >>>>> >>>>> Suppressed: java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1MyHandler$1.class >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:708) >>>>> >>>>> ... 10 more >>>>> >>>>> Caused by: java.lang.UnsupportedOperationException: This feature >>>>> requires ASM7 >>>>> >>>>> at org.objectweb.asm.ClassVisitor.visitNestHost(ClassVisitor.java:150) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:550) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:400) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.scanClass( >>>>> AnnotationParser.java:974) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:702) >>>>> >>>>> ... 10 more >>>>> >>>>> Suppressed: java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1MyHandler.class >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:708) >>>>> >>>>> ... 10 more >>>>> >>>>> Caused by: java.lang.UnsupportedOperationException: This feature >>>>> requires ASM7 >>>>> >>>>> at org.objectweb.asm.ClassVisitor.visitNestHost(ClassVisitor.java:150) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:550) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:400) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.scanClass( >>>>> AnnotationParser.java:974) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:702) >>>>> >>>>> ... 10 more >>>>> >>>>> Suppressed: java.lang.RuntimeException: Error scanning file >>>>> AutoSys.class >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:708) >>>>> >>>>> ... 10 more >>>>> >>>>> Caused by: java.lang.UnsupportedOperationException: This feature >>>>> requires ASM7 >>>>> >>>>> at org.objectweb.asm.ClassVisitor.visitNestMember( >>>>> ClassVisitor.java:236) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:660) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:400) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.scanClass( >>>>> AnnotationParser.java:974) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:702) >>>>> >>>>> ... 10 more >>>>> >>>>> Caused by: java.lang.RuntimeException: Error scanning file >>>>> AutoSys$1.class >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:708) >>>>> >>>>> ... 10 more >>>>> >>>>> Caused by: java.lang.UnsupportedOperationException: This feature >>>>> requires ASM7 >>>>> >>>>> at org.objectweb.asm.ClassVisitor.visitNestHost(ClassVisitor.java:150) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:550) >>>>> >>>>> at org.objectweb.asm.ClassReader.accept(ClassReader.java:400) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.scanClass( >>>>> AnnotationParser.java:974) >>>>> >>>>> at org.eclipse.jetty.annotations.AnnotationParser.parseDir( >>>>> AnnotationParser.java:702) >>>>> >>>>> ... 10 more >>>>> >>>>> >>>>> that is the full Error. I haven't done anything to the project, I >>>>> don't understand why >>>>> >>>>> the error with the project. >>>>> >>>>> -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/google-web-toolkit/a1d24eca-0228-4ca3-845a-807055fd856dn%40googlegroups.com.
