Thanks for the prompt response. The issue is the internal Jetty that cannot be loaded with openJdk 11. Here is the log. Is there any way to replace the internal Jetty with a higher version? I Checked the Jetty forum and apparently they are aware of this.
The code server is ready at http://127.0.0.1:9876/ Code server started in 20.11 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:522) 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) 2020-07-27 15:36:29.138:INFO:oejs.Server:main: jetty-9.2.z-SNAPSHOT Starting Jetty on port 8888 [WARN] Failed startup of context c.g.g.d.s.j.WebAppContextWithReload@8953a7d{/,file:/C:/Eclipse_WP_Java11/Rguroo/war/,STARTING}{C:\Eclipse_WP_Java11\Rguroo\war} MultiException[java.lang.RuntimeException: Error scanning file Rguroo$1.class, java.lang.RuntimeException: Error scanning file Rguroo$1MyHandler$1.class, java.lang.RuntimeException: Error scanning file Rguroo$1MyHandler.class, java.lang.RuntimeException: Error scanning file Rguroo.class] at org.eclipse.jetty.annotations.AnnotationConfiguration.scanForAnnotations(AnnotationConfiguration.java:536) at org.eclipse.jetty.annotations.AnnotationConfiguration.configure(AnnotationConfiguration.java:447) at org.eclipse.jetty.webapp.WebAppContext.configure(WebAppContext.java:479) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1337) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at com.google.gwt.dev.shell.jetty.JettyLauncher$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 Rguroo$1.class, java.lang.RuntimeException: Error scanning file Rguroo$1MyHandler$1.class, java.lang.RuntimeException: Error scanning file Rguroo$1MyHandler.class, java.lang.RuntimeException: Error scanning file Rguroo.class] at org.eclipse.jetty.annotations.AnnotationParser.parseDir(AnnotationParser.java:681) at org.eclipse.jetty.annotations.AnnotationParser.parseDir(AnnotationParser.java:688) at org.eclipse.jetty.annotations.AnnotationParser.parseDir(AnnotationParser.java:688) at org.eclipse.jetty.annotations.AnnotationParser.parseDir(AnnotationParser.java:688) at org.eclipse.jetty.annotations.AnnotationParser.parseDir(AnnotationParser.java:688) at org.eclipse.jetty.annotations.AnnotationParser.parse(AnnotationParser.java:824) at org.eclipse.jetty.annotations.AnnotationConfiguration$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 Rguroo$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 Rguroo$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 Rguroo.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 Rguroo$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 2020-07-27 15:36:31.285:INFO:oejs.ServerConnector:main: Started ServerConnector@21421b3{HTTP/1.1}{127.0.0.1:8888} 2020-07-27 15:36:31.285:INFO:oejs.Server:main: Started @23499ms On Monday, July 27, 2020 at 3:42:13 PM UTC-7 m.conr...@gmail.com wrote: > I use Gradle to configure Eclipse. > For JDK11 to be used as if it were JDK8 in Eclipse I have added: > > sourceCompatibility = JavaVersion.VERSION_1_8 > targetCompatibility = JavaVersion.VERSION_1_8 > if (JavaVersion.current() > JavaVersion.VERSION_1_8) { > tasks.withType(JavaCompile) { > options.compilerArgs.addAll(["--release", "8"]) > } > } > > On Mon, Jul 27, 2020 at 6:12 PM Shahram Zadeh <shahra...@gmail.com> wrote: > >> We have a huge GWT project (GWT 2.7, JDK 1.7, Eclipse) everything works >> perfect. We are planning to upgrade to Java 11 and GWT 2.9 which has been >> recently released. However Java 1.7 is retiring and getting obsolete we >> have to move on and upgrade. Since last week we are trying to create a >> development environment like the existing one but there is no success. I >> was wondering whether anyone out there is struggling with the same issue, >> any hint, solution or hacking the eclipse plugin would be greatly >> appreciated. >> >> Eclipse plugin comes with GWT (2.7 and 2.8.1) >> >> -- >> 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-tool...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/google-web-toolkit/1bdedb59-090d-4c8c-ba72-258e991ae060n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/google-web-toolkit/1bdedb59-090d-4c8c-ba72-258e991ae060n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/google-web-toolkit/29f63cba-e8ed-44fa-867c-edbad082e366n%40googlegroups.com.
