Re: Issues with Maven Plugin for GWT

On Saturday, May 16, 2020 at 2:49:06 AM UTC+2, Rogelio Flores wrote:

I tried using the Maven Plugin for GWT (https://tbroyer.github.io/gwt-maven-plugin/) with an existing project that I just upgraded to use GWT 2.9.0.

When I try running mvn run:codeserver, I get this:

[DEBUG] Arguments: com.google.gwt.dev.codeserver.CodeServer -workDir /Users/rflores/workspace/commonui/client-appmark-admin/target/gwt/codeserver -allowMissingSrc -src /Users/rflores/workspace/commonui/client-appmark-admin/src/main/java com.microfocus.am.Adminui

[WARNING] Error: Could not find or load main class com.google.gwt.dev.codeserver.CodeServer

[WARNING] Caused by: java.lang.ClassNotFoundException: com.google.gwt.dev.codeserver.CodeServer

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time:  4.358 s

[INFO] Finished at: 2020-05-14T17:41:51-06:00

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal net.ltgt.gwt.maven:gwt-maven-plugin:1.0.0:codeserver (default-cli) on project commonui-appmark-admin: GWT exited with status 1 -> [Help 1]

org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal net.ltgt.gwt.maven:gwt-maven-plugin:1.0.0:codeserver (default-cli) on project commonui-appmark-admin: GWT exited with status 1

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:215)

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)

    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)

    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)

    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)

    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)

    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)

    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)

    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)

    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)

    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)

    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)

    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)

    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)

    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke (Method.java:567)

    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)

    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)

    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)

    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)

Caused by: org.apache.maven.plugin.MojoExecutionException: GWT exited with status 1

    at net.ltgt.gwt.maven.CommandLine.execute (CommandLine.java:73)

    at net.ltgt.gwt.maven.AbstractDevModeMojo.execute (AbstractDevModeMojo.java:272)

    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo (DefaultBuildPluginManager.java:137)

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:210)

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)

    at org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)

    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:117)

    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject (LifecycleModuleBuilder.java:81)

    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build (SingleThreadedBuilder.java:56)

    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:128)

    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)

    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)

    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)

    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)

    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)

    at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)

    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)

    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62)

    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)

    at java.lang.reflect.Method.invoke (Method.java:567)

    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282)

    at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225)

    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406)

    at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347)

[ERROR] 

[ERROR] 

[ERROR] For more information about the errors and possible solutions, please read the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

Does anybody know why?

Check in your ~/.m2/repository/com/google/gwt/gwt-dev/2.9.0/gwt-dev-2.9.0.jar that it contains the com/google/gwt/dev/codeserver/CodeServer.class, maybe your JAR is corrupt.

 

I then tried to create a brand new project to see if I was missing something in my configuration by looking at the project created from the archetype. I did this:

$ mvn archetype:generate -DarchetypeGroupId=net.ltgt.gwt.archetypes -DarchetypeVersion=1.0.0 -DarchetypeArtifactId=modular-webapp

and I get this Error:

[WARNING] Error reading archetype catalog http://repo.maven.apache.org/maven2

org.apache.maven.wagon.TransferFailedException: Transfer failed for http://repo.maven.apache.org/maven2 501 HTTPS Required

 

Which version of Maven are you using? Maven has switched to using https://repo.maven.apache.org since version 3.2.3 (https://github.com/apache/maven/commit/92161918698c55f4c108acb8c6042ad86e705b15), released 6 years ago!

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