exception on metatype

log

java.lang.NullPointerException
	at java.lang.StringBuilder.<init>(StringBuilder.java:109)
	at aQute.bnd.osgi.Analyzer.validResourcePath(Analyzer.java:3261)
	at aQute.bnd.metatype.MetatypeAnnotations.analyzeJar(MetatypeAnnotations.java:101)
	at aQute.bnd.osgi.Analyzer.doPlugins(Analyzer.java:658)
	at aQute.bnd.osgi.Analyzer.analyze(Analyzer.java:213)
	at aQute.bnd.osgi.Builder.analyze(Builder.java:379)
	at aQute.bnd.osgi.Analyzer.calcManifest(Analyzer.java:688)
	at aQute.bnd.osgi.Builder.build(Builder.java:104)
	at aQute.bnd.osgi.Builder$build$1.call(Unknown Source)
	at aQute.bnd.gradle.BundleTaskConvention$_buildBundle_closure2.doCall(BundleTaskConvention.groovy:169)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
	at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:292)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1015)
	at groovy.lang.Closure.call(Closure.java:423)
	at groovy.lang.Closure.call(Closure.java:439)
	at org.gradle.api.internal.ClosureBackedAction.execute(ClosureBackedAction.java:67)
	at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:130)
	at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:110)
	at org.gradle.api.internal.AbstractTask.configure(AbstractTask.java:488)
	at org.gradle.api.Task$configure$0.call(Unknown Source)
	at aQute.bnd.gradle.BundleTaskConvention.buildBundle(BundleTaskConvention.groovy:99)
	at aQute.bnd.gradle.BundleTaskConvention.this$2$buildBundle(BundleTaskConvention.groovy)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1206)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1015)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:806)
	at aQute.bnd.gradle.BundleTaskConvention.invokeMethod(BundleTaskConvention.groovy)
	at org.gradle.api.internal.BeanDynamicObject$GroovyObjectAdapter.invokeMethod(BeanDynamicObject.java:275)
	at org.gradle.api.internal.BeanDynamicObject.invokeMethod(BeanDynamicObject.java:127)
	at org.gradle.api.internal.plugins.DefaultConvention$ExtensionsDynamicObject.invokeMethod(DefaultConvention.java:212)
	at org.gradle.api.internal.CompositeDynamicObject.invokeMethod(CompositeDynamicObject.java:150)
	at org.gradle.api.tasks.bundling.Jar_Decorated.invokeMethod(Unknown Source)
	at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeOnDelegationObjects(ClosureMetaClass.java:428)
	at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:369)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1015)
	at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:137)
	at aQute.bnd.gradle.BndBuilderPlugin$_apply_closure1_closure2_closure3.doCall(BndBuilderPlugin.groovy:36)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
	at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:292)
	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1015)
	at groovy.lang.Closure.call(Closure.java:423)
	at groovy.lang.Closure.call(Closure.java:439)
	at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:554)
	at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(AbstractTask.java:535)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)
	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)
	at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)
	at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:64)
	at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
	at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)
	at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:208)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:186)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:62)
	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)
	at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(DefaultTaskPlanExecutor.java:25)
	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(DefaultTaskGraphExecuter.java:111)
	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$6.run(DefaultGradleLauncher.java:174)
	at org.gradle.internal.Factories$1.create(Factories.java:22)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:47)
	at org.gradle.initialization.DefaultGradleLauncher.runBuildOperation(DefaultGradleLauncher.java:189)
	at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:171)
	at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:35)
	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:104)
	at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:97)
	at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:62)
	at org.gradle.initialization.DefaultGradleLauncher.runRootBuildOperation(DefaultGradleLauncher.java:184)
	at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:97)
	at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:93)
	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:43)
	at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:27)
	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:72)
	at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:44)
	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$RunnableActionAdapter.execute(Actions.java:170)
	at org.gradle.launcher.cli.CommandLineActionFactory$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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	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 sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	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:61)
Error  : Analyzer Plugin MetatypeAnnotations failed java.lang.NullPointerException
:apps:wiki:wiki-api:jar FAILED

WikiGroupServiceConfiguration.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.wiki.configuration;

import aQute.bnd.annotation.metatype.Meta;

import com.liferay.configuration.admin.ConfigurationAdmin;
import com.liferay.portal.kernel.settings.LocalizedValuesMap;

/**
 * @author Iván Zaera
 */
//@ConfigurationAdmin(category = "collaboration")
@Meta.OCD(id = "com.liferay.wiki.configuration.WikiGroupServiceConfiguration")
public interface WikiGroupServiceConfiguration {

	/**
	 * Set the default wiki format.
	 */
	@Meta.AD(deflt = "creole", required = false)
	public String defaultFormat();

	@Meta.AD(
		deflt = "${server-property://com.liferay.portal/admin.email.from.address}",
		required = false
	)
	public String emailFromAddress();

	@Meta.AD(
		deflt = "${server-property://com.liferay.portal/admin.email.from.name}",
		required = false
	)
	public String emailFromName();

	@Meta.AD(
		deflt = "${resource:com/liferay/wiki/configuration/dependencies/email_page_added_body.tmpl}",
		required = false
	)
	public LocalizedValuesMap emailPageAddedBody();

	@Meta.AD(deflt = "true", required = false)
	public boolean emailPageAddedEnabled();

	@Meta.AD(
		deflt = "${resource:com/liferay/wiki/configuration/dependencies/email_page_added_subject.tmpl}",
		required = false
	)
	public LocalizedValuesMap emailPageAddedSubject();

	@Meta.AD(
		deflt = "${resource:com/liferay/wiki/configuration/dependencies/email_page_updated_body.tmpl}",
		required = false
	)
	public LocalizedValuesMap emailPageUpdatedBody();

	@Meta.AD(deflt = "true", required = false)
	public boolean emailPageUpdatedEnabled();

	@Meta.AD(
		deflt = "${resource:com/liferay/wiki/configuration/dependencies/email_page_updated_subject.tmpl}",
		required = false
	)
	public LocalizedValuesMap emailPageUpdatedSubject();

	@Meta.AD(deflt = "true", required = false)
	public boolean enableRss();

	/**
	 * Set the name of the default page for a wiki node. The name for the
	 * default page must be a valid wiki word. A wiki word follows the format of
	 * having an upper case letter followed by a series of lower case letters
	 * followed by another upper case letter and another series of lower case
	 * letters. See http://www.usemod.com/cgi-bin/wiki.pl?WhatIsaWiki for more
	 * information on wiki naming conventions.
	 */
	@Meta.AD(deflt = "FrontPage", required = false)
	public String frontPageName();

	@Meta.AD(deflt = "ckeditor_creole", required = false)
	public String getCreoleEditor();

	@Meta.AD(deflt = "ckeditor", required = false)
	public String getHTMLEditor();

	@Meta.AD(deflt = "simple", required = false)
	public String getMediaWikiEditor();

	/**
	 * Set the name of the default node that will be automatically created when
	 * the Wiki portlet is first used in a site.
	 */
	@Meta.AD(deflt = "Main", required = false)
	public String initialNodeName();

	@Meta.AD(deflt = "true", required = false)
	public boolean pageCommentsEnabled();

	/**
	 * Set this to <code>true</code> to enable social activity notifications on
	 * minor edits of a wiki page.
	 */
	@Meta.AD(deflt = "true", required = false)
	public boolean pageMinorEditAddSocialActivity();

	/**
	 * Set this to <code>true</code> to enable email notifications on minor
	 * edits of a wiki page.
	 */
	@Meta.AD(deflt = "false", required = false)
	public boolean pageMinorEditSendEmail();

	/**
	 * Specify the requirements for the names of wiki pages. By default only a
	 * few characters are forbidden. Uncomment the regular expression below to
	 * allow only CamelCase titles.
	 */
	@Meta.AD(deflt = "[^\\\\\\[\\]\\|:;%<>]+", required = false)
	public String pageTitlesRegexp();

	/**
	 * Specify the characters that will be automatically removed from the titles
	 * when importing wiki pages. This regexp should remove any characters that
	 * are forbidden in the regexp specified in the property
	 * "wiki.page.titles.regexp".
	 */
	@Meta.AD(deflt = "[\\\\\\[\\]\\|:;%<>]+", required = false)
	public String pageTitlesRemoveRegexp();

	/**
	 * Specify the supported protocols for the Creole parser.
	 */
	@Meta.AD(deflt = "ftp://|http://|https://|mailto:|mms://", required = false)
	public String[] parsersCreoleSupportedProtocols();

	@Meta.AD(deflt = "200", required = false)
	public int rssAbstractLength();

	@Meta.AD(
		deflt = "${server-property://com.liferay.portal/search.container.page.default.delta}",
		required = false
	)
	public String rssDelta();

	@Meta.AD(
		deflt = "${server-property://com.liferay.portal/rss.feed.display.style.default}",
		required = false
	)
	public String rssDisplayStyle();

	@Meta.AD(
		deflt = "${server-property://com.liferay.portal/rss.feed.type.default}",
		required = false
	)
	public String rssFeedType();

}