yes, there are some issues with the docklet generator.
Also I’m getting this when I try compile the project using Java 8. Maybe is a good idea add Java 8 on travis build.
[ERROR] The given File link: /Users/passos/Development/Projects/AeroGear/aerogear-unifiedpush-server/jaxrs/../target/site/apidocs is not a dir. [ERROR] Error fetching link: /Users/passos/Development/Projects/AeroGear/aerogear-unifiedpush-server/jaxrs/../target/site/apidocs/package-list. Ignored it. [INFO] Loading source files for package org.jboss.aerogear.unifiedpush.rest... Loading source files for package org.jboss.aerogear.unifiedpush.rest.annotations... Loading source files for package org.jboss.aerogear.unifiedpush.rest.registry.installations... Loading source files for package org.jboss.aerogear.unifiedpush.rest.sender... Constructing Javadoc information... 1 error [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] AeroGear UnifiedPush Server ....................... SUCCESS [1.981s] [INFO] UnifiedPush Model Layer ........................... SUCCESS [0.052s] [INFO] UnifiedPush Server Model API ...................... SUCCESS [3.359s] [INFO] UnifiedPush Server Model JPA implementation ....... SUCCESS [16.161s] [INFO] UnifiedPush Service Layer ......................... SUCCESS [21.848s] [INFO] UnifiedPush Push Notification Networks ............ SUCCESS [3.745s] [INFO] UnifiedPush RESTful Endpoint ...................... FAILURE [2.425s] [INFO] UnifiedPush Server (Admin UI) ..................... SKIPPED [INFO] UnifiedPush Dependencies Parent ................... SKIPPED [INFO] UnifiedPush Server Dependencies Server ............ SKIPPED [INFO] UnifiedPush Auth Server ........................... SKIPPED [INFO] UnifiedPush Server for JBossAS (WAR) .............. SKIPPED [INFO] UnifiedPush Server for Wildfly (WAR) .............. SKIPPED [INFO] UnifiedPush Servers Parent ........................ SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 50.770s [INFO] Finished at: Tue Oct 21 09:35:48 BRST 2014 [INFO] Final Memory: 88M/716M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.9:javadoc (jax-rs-docs) on project unifiedpush-jaxrs: An error has occurred in JavaDocs report generation: [ERROR] Exit code: 1 - javadoc: error - In doclet class com.lunatech.doclets.jax.jaxrs.JAXRSDoclet, method start has thrown an exception java.lang.reflect.InvocationTargetException [ERROR] java.lang.NullPointerException [ERROR] at com.lunatech.doclets.jax.jaxrs.JAXRSDoclet.<init>(JAXRSDoclet.java:84) [ERROR] at com.lunatech.doclets.jax.jaxrs.JAXRSDoclet.start(JAXRSDoclet.java:78) [ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) [ERROR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [ERROR] at java.lang.reflect.Method.invoke(Method.java:483) [ERROR] at com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:310) [ERROR] at com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:189) [ERROR] at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:366) [ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:219) [ERROR] at com.sun.tools.javadoc.Start.begin(Start.java:205) [ERROR] at com.sun.tools.javadoc.Main.execute(Main.java:64) [ERROR] at com.sun.tools.javadoc.Main.main(Main.java:54) [ERROR] [ERROR] Command line was: /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/bin/javadoc @options @packages [ERROR] [ERROR] Refer to the generated Javadoc files in '/Users/passos/Development/Projects/AeroGear/aerogear-unifiedpush-server/jaxrs/target/site/apidocs' dir. [ERROR] -> [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] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :unifiedpush-jaxrs