[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.10.4:javadoc (default-cli) on project blueocean-commons: An error has occurred in JavaDocs report generation:
[ERROR] Exit code: 1 - /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/Model.java:195: warning: '_' used as an identifier
[ERROR] } catch (AbstractMethodError _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/Property.java:416: warning: '_' used as an identifier
[ERROR] } catch (AbstractMethodError _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/ServiceException.java:43: warning: no @return
[ERROR] public String toJson(){
[ERROR] ^
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/ExportInterceptor.java:38: error: reference not found
[ERROR] * @see Exported#skipNull()
[ERROR] ^
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/ExportInterceptor.java:40: warning: no @param for config
[ERROR] public abstract Object getValue(Property property, Object model, ExportConfig config) throws IOException;
[ERROR] ^
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/TypeUtil.java:85: warning: '_' used as an identifier
[ERROR] public Class onClass(Class c,Void _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/TypeUtil.java:89: warning: '_' used as an identifier
[ERROR] public Class onParameterizdType(ParameterizedType p,Void _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/TypeUtil.java:94: warning: '_' used as an identifier
[ERROR] public Class onGenericArray(GenericArrayType g,Void _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/TypeUtil.java:100: warning: '_' used as an identifier
[ERROR] public Class onVariable(TypeVariable v,Void _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] /home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/src/main/java/io/jenkins/blueocean/commons/stapler/export/TypeUtil.java:104: warning: '_' used as an identifier
[ERROR] public Class onWildcard(WildcardType w,Void _) {
[ERROR] ^
[ERROR] (use of '_' as an identifier might not be supported in releases after Java SE 8)
[ERROR] 
[ERROR] Command line was: /home/raul/dev-tools/jdk1.8.0_91/jre/../bin/javadoc @options @packages
[ERROR] 
[ERROR] Refer to the generated Javadoc files in '/home/raul/Workspace/Java/blueocean-plugin/blueocean-commons/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]