See 
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/5/changes>

Changes:

[paulmerlin] ZEST-55 Rework regressions tests, remove @Ignores, they now pass

[paulmerlin] Build, minor: remove some unused project dependencies

[paulmerlin] Build: always resolve SLF4J to the same version

[hedmann] Bug in AbstractValueCompositeSerializationTest, which invoked the 
EntityAssembler, which had a default ValueSerialization service in it, 
bypassing the one of interest. There should have been an AmbiguousTypeException 
as a result, but there weren't, so additional testing needed.

------------------------------------------
[...truncated 781 lines...]
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 warning: no @param for visitor
    public void query( String sql, ResultSetVisitor visitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:87:
 warning: no @throws for java.sql.SQLException
    public void query( String sql, ResultSetVisitor visitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:99:
 warning: no @param for sql
    public void query( String sql, StatementVisitor statement, ResultSetVisitor 
resultsetVisitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:99:
 warning: no @param for statement
    public void query( String sql, StatementVisitor statement, ResultSetVisitor 
resultsetVisitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:99:
 warning: no @param for resultsetVisitor
    public void query( String sql, StatementVisitor statement, ResultSetVisitor 
resultsetVisitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:99:
 warning: no @throws for java.sql.SQLException
    public void query( String sql, StatementVisitor statement, ResultSetVisitor 
resultsetVisitor )
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:130:
 warning: no @param for sql
    public Input<ResultSet, SQLException> query( final String sql )
                                          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:130:
 warning: no @return
    public Input<ResultSet, SQLException> query( final String sql )
                                          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:178:
 warning: no @param for sql
    public Input<ResultSet, SQLException> query( final String sql, final 
StatementVisitor visitor )
                                          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:178:
 warning: no @param for visitor
    public Input<ResultSet, SQLException> query( final String sql, final 
StatementVisitor visitor )
                                          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:178:
 warning: no @return
    public Input<ResultSet, SQLException> query( final String sql, final 
StatementVisitor visitor )
                                          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/Databases.java>:39:
 warning: no @param for source
    public Databases( DataSource source )
           ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/sql/src/main/java/org/qi4j/library/sql/common/SQLConfiguration.java>:33:
 warning: no @return
    Property<String> schemaName();
                     ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/rest-client/src/main/java/org/qi4j/library/rest/client/spi/RequestWriter.java>:34:
 warning: no description for @throws
    * @throws org.restlet.resource.ResourceException
      ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/testsupport/src/main/java/org/qi4j/test/AbstractQi4jBaseTest.java>:64:
 warning: no @throws for org.qi4j.bootstrap.AssemblyException
    protected abstract void defineApplication( ApplicationAssembly 
applicationAssembly )
                            ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/property/StateHolder.java>:33:
 warning: no @param for <T>
    <T> Property<T> propertyFor( AccessibleObject accessor )
                    ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/libraries/shiro-core/src/main/java/org/qi4j/library/shiro/ini/ShiroIniConfiguration.java>:31:
 warning: no @return
    Property<String> iniResourcePath();
                     ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/metrics/MetricsTimer.java>:27:
 warning: no @return
    Context start();
            ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/extensions/indexing-sql/src/main/java/org/qi4j/index/sql/support/api/SQLQuerying.java>:54:
 warning: no @param for variables
    public String constructQuery( //
                  ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/bootstrap/src/main/java/org/qi4j/bootstrap/MixinDeclaration.java>:20:
 warning: no description for @param
 * @param <T>
   ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/bootstrap/src/main/java/org/qi4j/bootstrap/ModuleAssembly.java>:150:
 warning: no @throws for org.qi4j.bootstrap.AssemblyException
    ObjectDeclaration objects( Class<?>... objectTypes )
                      ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/object/ObjectFactory.java>:34:
 warning: no @param for <T>
    <T> T newObject( Class<T> type, Object... uses )
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/object/ObjectFactory.java>:34:
 warning: no @param for uses
    <T> T newObject( Class<T> type, Object... uses )
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/object/ObjectFactory.java>:40:
 warning: no description for @param
     * @param instance
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/object/ObjectFactory.java>:42:
 warning: no description for @throws
     * @throws ConstructionException
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/object/ObjectFactory.java>:44:
 warning: no @param for uses
    void injectTo( Object instance, Object... uses )
         ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/composite/TransientBuilderFactory.java>:38:
 warning: no @param for <T>
    <T> TransientBuilder<T> newTransientBuilder( Class<T> mixinType )
                            ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/composite/TransientBuilderFactory.java>:52:
 warning: no @param for <T>
    <T> T newTransient( Class<T> mixinType, Object... uses )
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/composite/TransientBuilderFactory.java>:52:
 warning: no @param for uses
    <T> T newTransient( Class<T> mixinType, Object... uses )
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/value/ValueBuilderFactory.java>:39:
 warning: no @param for <T>
    <T> T newValue( Class<T> valueType )
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/value/ValueBuilderFactory.java>:52:
 warning: no @param for <T>
    <T> ValueBuilder<T> newValueBuilder( Class<T> valueType )
                        ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/value/ValueBuilderFactory.java>:65:
 warning: no @param for <T>
    <T> ValueBuilder<T> newValueBuilderWithPrototype( T prototype );
                        ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/value/ValueBuilderFactory.java>:81:
 warning: no @param for <T>
    <T> ValueBuilder<T> newValueBuilderWithState( Class<T> mixinType,
                        ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/value/ValueBuilderFactory.java>:98:
 warning: no @param for <T>
    <T> T newValueFromSerializedState( Class<T> valueType, String 
serializedState );
          ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/query/QueryBuilderFactory.java>:36:
 warning: no @param for <T>
    <T> QueryBuilder<T> newQueryBuilder( Class<T> resultType )
                        ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java>:47:
 warning: no @param for <T>
    <T> ServiceReference<T> findService( Class<T> serviceType )
                            ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java>:59:
 warning: no @param for <T>
    <T> ServiceReference<T> findService( Type serviceType )
                            ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java>:73:
 warning: no @param for <T>
    <T> Iterable<ServiceReference<T>> findServices( Class<T> serviceType );
                                      ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/api/src/main/java/org/qi4j/api/service/ServiceFinder.java>:86:
 warning: no @param for <T>
    <T> Iterable<ServiceReference<T>> findServices( Type serviceType );
                                      ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Outputs.java>:64:
 warning: no @param for encoding
    public static Output<String, IOException> text( final File file, final 
String encoding )
                                              ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Outputs.java>:427:
 warning: no @param for <ReceiverThrowableType>
    public static <T, ReceiverThrowableType extends Throwable> Output<T, 
ReceiverThrowableType> withReceiver( final Receiver<T, ReceiverThrowableType> 
receiver )
                                                                                
                ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Outputs.java>:503:
 warning: no @param for <T>
    public static <T> Output<T, RuntimeException> collection( final 
Collection<T> collection )
                                                  ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Outputs.java>:503:
 warning: no @param for collection
    public static <T> Output<T, RuntimeException> collection( final 
Collection<T> collection )
                                                  ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Outputs.java>:503:
 warning: no @return
    public static <T> Output<T, RuntimeException> collection( final 
Collection<T> collection )
                                                  ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Receiver.java>:28:
 warning: no description for @param
     * @param item
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Receiver.java>:30:
 warning: no description for @throws
     * @throws ReceiverThrowableType
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Sender.java>:29:
 warning: no description for @param
     * @param receiver
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Sender.java>:30:
 warning: no description for @param
     * @param <ReceiverThrowableType>
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Sender.java>:32:
 warning: no description for @throws
     * @throws ReceiverThrowableType
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/core/io/src/main/java/org/qi4j/io/Sender.java>:33:
 warning: no description for @throws
     * @throws SenderThrowableType
       ^
<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/extensions/entitystore-file/src/main/java/org/qi4j/entitystore/file/FileEntityStoreConfiguration.java>:47:
 error: no summary or caption for table
     * </table>
       ^

1 error
100 warnings
:javadocs FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':javadocs'.
> Javadoc generation failed. Generated Javadoc options file (useful for 
> troubleshooting): 
> '<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/build/tmp/javadocs/javadoc.options'>

* Try:
Run with --info or --debug option to get more log output.

* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task 
':javadocs'.
        at 
org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:69)
        at 
org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
        at 
org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
        at 
org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
        at 
org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
        at 
org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:42)
        at 
org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
        at 
org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
        at 
org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
        at 
org.gradle.api.internal.AbstractTask.executeWithoutThrowingTaskFailure(AbstractTask.java:310)
        at 
org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.executeTask(AbstractTaskPlanExecutor.java:79)
        at 
org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:63)
        at 
org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:51)
        at 
org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:23)
        at 
org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:88)
        at 
org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTaskExecutionAction.java:37)
        at 
org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
        at 
org.gradle.execution.DefaultBuildExecuter.access$200(DefaultBuildExecuter.java:23)
        at 
org.gradle.execution.DefaultBuildExecuter$2.proceed(DefaultBuildExecuter.java:68)
        at 
org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildExecutionAction.java:32)
        at 
org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:62)
        at 
org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecuter.java:55)
        at 
org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:149)
        at 
org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)
        at 
org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
        at 
org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:90)
        at 
org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)
        at 
org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)
        at 
org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:41)
        at 
org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:28)
        at 
org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:50)
        at 
org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:27)
        at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:40)
        at 
org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:169)
        at 
org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
        at 
org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
        at 
org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
        at 
org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
        at 
org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
        at 
org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
        at 
org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
        at 
org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
        at org.gradle.launcher.Main.doAction(Main.java:33)
        at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
        at 
org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
        at 
org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
        at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
        at 
org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:30)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:127)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:55)
Caused by: org.gradle.api.GradleException: Javadoc generation failed. Generated 
Javadoc options file (useful for troubleshooting): 
'<https://builds.apache.org/job/Zest%20-%20Check%202.1-SNAPSHOT%20distributions%20from%20develop%20branch%20on%20Java8%20(OpenJDK)/ws/build/tmp/javadocs/javadoc.options'>
        at 
org.gradle.api.tasks.javadoc.internal.JavadocGenerator.execute(JavadocGenerator.java:57)
        at 
org.gradle.api.tasks.javadoc.internal.JavadocGenerator.execute(JavadocGenerator.java:31)
        at 
org.gradle.api.tasks.javadoc.Javadoc.executeExternalJavadoc(Javadoc.java:143)
        at org.gradle.api.tasks.javadoc.Javadoc.generate(Javadoc.java:131)
        at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)
        at 
org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.doExecute(AnnotationProcessingTaskFactory.java:226)
        at 
org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:219)
        at 
org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:208)
        at 
org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:589)
        at 
org.gradle.api.internal.AbstractTask$TaskActionWrapper.execute(AbstractTask.java:572)
        at 
org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
        at 
org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
        ... 49 more
Caused by: org.gradle.process.internal.ExecException: Process 'command 
'/home/jenkins/tools/java/jdk1.8.0/bin/javadoc'' finished with non-zero exit 
value 1
        at 
org.gradle.process.internal.DefaultExecHandle$ExecResultImpl.assertNormalExitValue(DefaultExecHandle.java:365)
        at 
org.gradle.process.internal.DefaultExecAction.execute(DefaultExecAction.java:31)
        at 
org.gradle.api.tasks.javadoc.internal.JavadocGenerator.execute(JavadocGenerator.java:52)
        ... 60 more


BUILD FAILED

Total time: 3 mins 5.357 secs
Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
Xvfb stopping
Archiving artifacts
Recording test results
Publishing Javadoc

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