[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:3.2.0:jar (attach-javadocs) on project flexible-publish: MavenReportException: Error while generating Javadoc:
    [ERROR] Exit code: 1 - /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:147: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:96: warning: no description for @param
    [ERROR]      * @param condition
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:97: warning: no description for @param
    [ERROR]      * @param publisher
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:98: warning: no description for @param
    [ERROR]      * @param runner
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:99: warning: no description for @param
    [ERROR]      * @param configuredAggregation
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:100: warning: no description for @param
    [ERROR]      * @param aggregationCondition
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:101: warning: no description for @param
    [ERROR]      * @param aggregationRunner
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:111: warning: no description for @param
    [ERROR]      * @param condition
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:112: warning: no description for @param
    [ERROR]      * @param publisherList
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:113: warning: no description for @param
    [ERROR]      * @param runner
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:114: warning: no description for @param
    [ERROR]      * @param configuredAggregation
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:115: warning: no description for @param
    [ERROR]      * @param aggregationCondition
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:116: warning: no description for @param
    [ERROR]      * @param aggregationRunner
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:357: error: reference not found
    [ERROR]          * for classes without {@link DataBoundConstructor} (such as {@link hudson.tasks.Mailer})
    [ERROR]                                                                             ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:362: warning: no description for @param
    [ERROR]          * @param req
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:363: warning: no description for @param
    [ERROR]          * @param formData
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:364: warning: no description for @return
    [ERROR]          * @return
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/ConditionalPublisher.java:365: warning: no description for @throws
    [ERROR]          * @throws hudson.model.Descriptor.FormException
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:56: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:57: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:72: warning: no description for @param
    [ERROR]      * @param run
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:74: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:75: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:94: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexibleMatrixAggregator.java:95: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:276: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:277: warning: no description for @param
    [ERROR]      * @param launcher
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:278: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:279: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:78: warning: no description for @param
    [ERROR]      * @param publishers
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:227: error: reference not found
    [ERROR]          * for classes without {@link DataBoundConstructor} (such as {@link hudson.tasks.Mailer})
    [ERROR]                                                                             ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:232: warning: no description for @param
    [ERROR]          * @param req
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:233: warning: no description for @param
    [ERROR]          * @param formData
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:234: warning: no description for @return
    [ERROR]          * @return
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/FlexiblePublisher.java:235: warning: no description for @throws
    [ERROR]          * @throws hudson.model.Descriptor.FormException
    [ERROR]            ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:134: warning: no description for @param
    [ERROR]      * @param context
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:135: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:136: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:144: warning: no description for @param
    [ERROR]      * @param context
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:145: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:146: warning: no description for @param
    [ERROR]      * @param launcher
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:147: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:149: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:150: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:157: warning: no description for @param
    [ERROR]      * @param aggregatorContext
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:158: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:159: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:160: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:167: warning: no description for @param
    [ERROR]      * @param aggregatorContext
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:168: warning: no description for @param
    [ERROR]      * @param run
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:169: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:170: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:171: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:178: warning: no description for @param
    [ERROR]      * @param aggregatorContext
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:179: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:180: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/ConditionalExecutionStrategy.java:181: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/strategy/FailAtEndExecutionStrategy.java:66: error: no summary or caption for table
    [ERROR]  * </table>
    [ERROR]    ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:69: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:70: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:71: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:89: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:90: warning: no description for @param
    [ERROR]      * @param launcher
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:91: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:92: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:93: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:94: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:160: warning: no description for @param
    [ERROR]      * @param project
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:161: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:171: warning: no description for @param
    [ERROR]      * @param project
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:172: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:181: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailAtEndBuilder.java:53: error: reference not found
    [ERROR]  * Used with {@link BuildStepRunner}.
    [ERROR]                     ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:69: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:70: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:71: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:89: warning: no description for @param
    [ERROR]      * @param build
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:90: warning: no description for @param
    [ERROR]      * @param launcher
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:91: warning: no description for @param
    [ERROR]      * @param listener
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:92: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:93: warning: no description for @throws
    [ERROR]      * @throws InterruptedException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:94: warning: no description for @throws
    [ERROR]      * @throws IOException
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:162: warning: no description for @param
    [ERROR]      * @param project
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:163: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:173: warning: no description for @param
    [ERROR]      * @param project
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:174: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:183: warning: no description for @return
    [ERROR]      * @return
    [ERROR]        ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/FailFastBuilder.java:53: error: reference not found
    [ERROR]  * Used with {@link BuildStepRunner}.
    [ERROR]                     ^
    [ERROR] /workspace/target/checkout/src/main/java/org/jenkins_ci/plugins/flexible_publish/builder/MarkPerformedBuilder.java:38: error: reference not found
    [ERROR]  * Used with {@link BuildStepRunner}.
    [ERROR]                     ^
    [ERROR]
    [ERROR] Command line was: /usr/local/openjdk-8/jre/../bin/javadoc @options @packages
    [ERROR]
    [ERROR] Refer to the generated Javadoc files in '/workspace/target/checkout/target/apidocs' dir.
    [ERROR]
    [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