Oh, then happens with both Maven 3.5.3 and 3.0.5: Apache Maven 3.5.3 (3383c37e1f9e9b3bc3df5050c29c8aff9f295297; 2018-02-24T12:49:05-07:00) Maven home: C:\Java\apache-maven-3.5.3\bin\.. Java version: 1.8.0_172, vendor: Oracle Corporation Java home: C:\Program Files\Java\jdk1.8.0_172\jre Default locale: en_US, platform encoding: Cp1252 OS name: "windows 10", version: "10.0", arch: "amd64", family: "windows"
Apache Maven 3.0.5 (r01de14724cdef164cd33c7c8c2fe155faf9602da; 2013-02-19 06:51:28-0700) Maven home: C:\Java\apache-maven-3.0.5 Java version: 1.8.0_172, vendor: Oracle Corporation Java home: C:\Program Files\Java\jdk1.8.0_172\jre Default locale: en_US, platform encoding: Cp1252 OS name: "windows 10", version: "10.0", arch: "amd64", family: "dos" Gary On Tue, May 8, 2018 at 6:23 PM, Gary Gregory <garydgreg...@gmail.com> wrote: > Hi All, > > I ran into this building [DBCP] but I think it will apply to all > components. > > Take the DBCP POM and turn on japicmp: > > diff --git a/pom.xml b/pom.xml > index 65488de..106c314 100644 > --- a/pom.xml > +++ b/pom.xml > @@ -340,7 +340,7 @@ > <!-- This is the only way I could find to skip generating this report --> > <!-- Version 0.11.1 throws an exception because it cannot find a Geronimo > class --> > <!-- Version 0.12.0 throws an NullPointerException because it seems Maven > did not inject the report Mojo with any values--> > -<!-- <report>cmp-report</report> --> > + <report>cmp-report</report> > </reports> > </reportSet> > </reportSets> > > Then run: > > mvn -Dcommons.japicmp.version=0.12.0 -e site > > to get: > > [INFO] ------------------------------------------------------------ > ------------ > [INFO] BUILD FAILURE > [INFO] ------------------------------------------------------------ > ------------ > [INFO] Total time: 02:21 min > [INFO] Finished at: 2018-05-08T18:22:57-06:00 > [INFO] ------------------------------------------------------------ > ------------ > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-site-plugin:3.7:site > (default-site) on project commons-dbcp2: Error generating > japicmp-maven-plugin:0.12.0:cmp-report report: Failed to generate report: > null: NullPointerException -> [Help 1] > org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute > goal org.apache.maven.plugins:maven-site-plugin:3.7:site (default-site) > on project commons-dbcp2: Error generating > japicmp-maven-plugin:0.12.0:cmp-report > report > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:213) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:154) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:146) > 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:956) > at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290) > at org.apache.maven.cli.MavenCli.main (MavenCli.java:194) > at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke (Method.java:498) > at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced > (Launcher.java:289) > at org.codehaus.plexus.classworlds.launcher.Launcher.launch > (Launcher.java:229) > at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode > (Launcher.java:415) > at org.codehaus.plexus.classworlds.launcher.Launcher.main > (Launcher.java:356) > Caused by: org.apache.maven.plugin.MojoExecutionException: Error > generating japicmp-maven-plugin:0.12.0:cmp-report report > at org.apache.maven.plugins.site.render.SiteMojo.execute > (SiteMojo.java:141) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:208) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:154) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:146) > 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:956) > at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290) > at org.apache.maven.cli.MavenCli.main (MavenCli.java:194) > at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke (Method.java:498) > at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced > (Launcher.java:289) > at org.codehaus.plexus.classworlds.launcher.Launcher.launch > (Launcher.java:229) > at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode > (Launcher.java:415) > at org.codehaus.plexus.classworlds.launcher.Launcher.main > (Launcher.java:356) > Caused by: org.apache.maven.reporting.MavenReportException: Failed to > generate report: null > at japicmp.maven.JApiCmpReport.executeReport (JApiCmpReport.java:96) > at org.apache.maven.reporting.AbstractMavenReport.generate > (AbstractMavenReport.java:255) > at > org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument > (ReportDocumentRenderer.java:230) > at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render > (DefaultSiteRenderer.java:349) > at org.apache.maven.plugins.site.render.SiteMojo.renderLocale > (SiteMojo.java:184) > at org.apache.maven.plugins.site.render.SiteMojo.execute > (SiteMojo.java:133) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:208) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:154) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:146) > 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:956) > at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290) > at org.apache.maven.cli.MavenCli.main (MavenCli.java:194) > at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke (Method.java:498) > at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced > (Launcher.java:289) > at org.codehaus.plexus.classworlds.launcher.Launcher.launch > (Launcher.java:229) > at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode > (Launcher.java:415) > at org.codehaus.plexus.classworlds.launcher.Launcher.main > (Launcher.java:356) > Caused by: java.lang.NullPointerException > at japicmp.maven.JApiCmpMojo.isPomModuleNeedingSkip > (JApiCmpMojo.java:1243) > at japicmp.maven.JApiCmpMojo.executeWithParameters > (JApiCmpMojo.java:130) > at japicmp.maven.JApiCmpReport.executeReport (JApiCmpReport.java:75) > at org.apache.maven.reporting.AbstractMavenReport.generate > (AbstractMavenReport.java:255) > at > org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument > (ReportDocumentRenderer.java:230) > at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render > (DefaultSiteRenderer.java:349) > at org.apache.maven.plugins.site.render.SiteMojo.renderLocale > (SiteMojo.java:184) > at org.apache.maven.plugins.site.render.SiteMojo.execute > (SiteMojo.java:133) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:208) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:154) > at org.apache.maven.lifecycle.internal.MojoExecutor.execute > (MojoExecutor.java:146) > 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:956) > at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290) > at org.apache.maven.cli.MavenCli.main (MavenCli.java:194) > at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) > at sun.reflect.NativeMethodAccessorImpl.invoke > (NativeMethodAccessorImpl.java:62) > at sun.reflect.DelegatingMethodAccessorImpl.invoke > (DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke (Method.java:498) > at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced > (Launcher.java:289) > at org.codehaus.plexus.classworlds.launcher.Launcher.launch > (Launcher.java:229) > at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode > (Launcher.java:415) > at org.codehaus.plexus.classworlds.launcher.Launcher.main > (Launcher.java:356) > > It looks like Maven did not inject any of the ivars in the JApiCmd > reporting Mojo. > > If you run with the japicmp plugin version 0.11.1, the you get a different > error for which I've found no workaround. > > Thoughts? > > Gary >
