hello, when i tried to excecute mvn package to generate the .war or the radius extension i see this error : ( i installed the last version of maven and openjdk 11) *[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.10.3:jar (attach-javadocs) on project guacamole-common: MavenReportException: Error while generating Javadoc:* *[ERROR] Exit code: 1 - javadoc: error - The code being documented uses modules but the packages defined in http://docs.oracle.com/javase/6/docs/api/ <http://docs.oracle.com/javase/6/docs/api/> are in the unnamed module.* *[ERROR]* *[ERROR] Command line was: /usr/lib/jvm/default-java/bin/javadoc @options @packages* *[ERROR]* *[ERROR] Refer to the generated Javadoc files in '/home/user/PFE/guacamole-client-1.0.0/guacamole-common/target/apidocs' dir.* *[ERROR]* *[ERROR] -> [Help 1]* *org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.10.3:jar (attach-javadocs) on project guacamole-common: MavenReportException: Error while generating Javadoc:* *Exit code: 1 - javadoc: error - The code being documented uses modules but the packages defined in http://docs.oracle.com/javase/6/docs/api/ <http://docs.oracle.com/javase/6/docs/api/> are in the unnamed module.*
*Command line was: /usr/lib/jvm/default-java/bin/javadoc @options @packages* *Refer to the generated Javadoc files in '/home/user/PFE/guacamole-client-1.0.0/guacamole-common/target/apidocs' dir.* * 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:956)* * at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)* * at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)* * 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:566)* * 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: MavenReportException: Error while generating Javadoc:* *Exit code: 1 - javadoc: error - The code being documented uses modules but the packages defined in http://docs.oracle.com/javase/6/docs/api/ <http://docs.oracle.com/javase/6/docs/api/> are in the unnamed module.* *Command line was: /usr/lib/jvm/default-java/bin/javadoc @options @packages* *Refer to the generated Javadoc files in '/home/user/PFE/guacamole-client-1.0.0/guacamole-common/target/apidocs' dir.* * at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.failOnError (AbstractJavadocMojo.java:6018)* * at org.apache.maven.plugin.javadoc.JavadocJar.execute (JavadocJar.java:192)* * 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:956)* * at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)* * at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)* * 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:566)* * 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.reporting.MavenReportException:* *Exit code: 1 - javadoc: error - The code being documented uses modules but the packages defined in http://docs.oracle.com/javase/6/docs/api/ <http://docs.oracle.com/javase/6/docs/api/> are in the unnamed module.* *Command line was: /usr/lib/jvm/default-java/bin/javadoc @options @packages* *Refer to the generated Javadoc files in '/home/user/PFE/guacamole-client-1.0.0/guacamole-common/target/apidocs' dir.* * at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.executeJavadocCommandLine (AbstractJavadocMojo.java:5163)* * at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.executeReport (AbstractJavadocMojo.java:2075)* * at org.apache.maven.plugin.javadoc.JavadocJar.execute (JavadocJar.java:188)* * 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:956)* * at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)* * at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)* * 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:566)* * 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 <http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException>*
