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)
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