I suggest to make a POC using https://github.com/tbroyer/gwt-maven-archetypes/ archetype, using modular-webapp.
On Fri, 21 Apr 2017 at 14:38 Magnus <alpineblaster@gmail.com> wrote:
So, "mvn package" should Just Work™ (package the lib, then package the app using the lib's jar).Yes, works!"mvn gwt:devmode" and "mvn gwt:codeserver" should work without too much configuration (configure warDir/launcherDir, possibly projects/modules)Actually, it gives an error (see below):Could not find goal 'devmode' in plugin org.codehaus.mojo:gwt-maven-plugin:2.8.0 among available goals...I believe I have to extend the minimal top-level pom.xml, but how?And I'd like to leave the pom.xml in the sub folders as is, because they are working for their own... Is this possible?This is also the point with the development cycle: When debugging, eclipse doesn't "see" the changed library source code, because it fetches the library source code from the jar file in its own target folder.Actually the one from your local repository (~/.m2/repository/), not directly the one from the target/ folder.This is an important point! If the app used the library jar from the repository and not from its own target directory, there would be no need to "mvn package" the app and this takes most of the time...Wouldn't it be better for developing if the original library code was used instead? Could it be that this is the core of the problem?And the problem is that Eclipse errors when importing your app project when using the default configuration for resolving dependencies from the workspace; which is why you turned that setting off.If you figure out how to get this working, then it should (hopefully work) the same with or without a reactor.--I can enable it for the lib project without problems. But as soon as I enable it for the app project, the error reappears.It's hard to figure it out when even the experts in this group have no idea. But I see that this is an essential point, so I have documented the error as detailed as possible again (see below). I hope there will be a solution...ThanksMagnusMaven error when executing "mvn gwt:devmode" at the top-level:[INFO] Reactor Build Order:[INFO][INFO] msm-lib-acs[INFO] msm.app.bcs.Application[INFO] msm[INFO] ------------------------------------------------------------------------[INFO] Reactor Summary:[INFO][INFO] msm-lib-acs ....................................... SKIPPED[INFO] msm.app.bcs.Application ........................... SKIPPED[INFO] msm ............................................... SKIPPED[INFO] ------------------------------------------------------------------------[INFO] BUILD FAILURE[INFO] ------------------------------------------------------------------------[INFO] Total time: 2.603s[INFO] Finished at: Fri Apr 21 19:13:32 CEST 2017[INFO] Final Memory: 10M/241M[INFO] ------------------------------------------------------------------------[ERROR] Could not find goal 'devmode' in plugin org.codehaus.mojo:gwt-maven-plugin:2.8.0 among available goals clean, compile, compile-report, css, debug, eclipse, eclipseTest, generateAsync, help, i18n, mergewebxml, resources, run, run-codeserver, source-jar, test -> [Help 1][ERROR][ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.[ERROR] Re-run Maven using the -X switch to enable full debug logging.[ERROR][ERROR] For more information about the errors and possible solutions, please read the following articles:Error in the application project's pom.xml when "resolve dependencies" is enabled:The pom.xml has an error marker at the packaging tag:
The error behind this error marker is this:Failed to copy file for artifact [msm.lib.acs:msm-lib-acs:jar:1.0-SNAPSHOT:compile] (org.apache.maven.plugins:maven-war-plugin:2.2:war:default-war:package)org.apache.maven.plugin.MojoExecutionException: Failed to copy file for artifact [msm.lib.acs:msm-lib-acs:jar:1.0-SNAPSHOT:compile]at org.apache.maven.plugin.war.packaging.ArtifactsPackagingTask.performPackaging(ArtifactsPackagingTask.java:131)at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.handleArtifacts(WarProjectPackagingTask.java:190)at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.performPackaging(WarProjectPackagingTask.java:109)at org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:472)at org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.java:404)at org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:215)at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:177)at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331)at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362)at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360)at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137)at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:172)at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:115)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:105)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:86)at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:200)at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:735)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:206)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:246)at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:301)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:304)at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:360)at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:383)at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)Caused by: java.io.FileNotFoundException: /home/wagner/dvl/prj/msm/msm-lib-acs/target/classes (Is a directory)at java.io.FileInputStream.open0(Native Method)at java.io.FileInputStream.open(FileInputStream.java:195)at java.io.FileInputStream.<init>(FileInputStream.java:138)at org.codehaus.plexus.util.io.FileInputStreamFacade.getInputStream(FileInputStreamFacade.java:36)at org.codehaus.plexus.util.FileUtils.copyStreamToFile(FileUtils.java:1141)at org.codehaus.plexus.util.FileUtils.copyFile(FileUtils.java:1048)at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask.copyFile(AbstractWarPackagingTask.java:293)at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask$1.registered(AbstractWarPackagingTask.java:150)at org.apache.maven.plugin.war.util.WebappStructure.registerFile(WebappStructure.java:211)at org.apache.maven.plugin.war.packaging.AbstractWarPackagingTask.copyFile(AbstractWarPackagingTask.java:145)at org.apache.maven.plugin.war.packaging.ArtifactsPackagingTask.performPackaging(ArtifactsPackagingTask.java:106)... 38 more
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