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.
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