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/ce2ca991-73cf-4659-bd3f-110d24b84856n%40googlegroups.com.
