I get this error when running mvn javadoc:javadoc:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:2.9:javadoc (default-cli) on project async.0.1: An error has occurred in JavaDocs report generation:
[ERROR] Exit code: 1 - javadoc: warning - The old Doclet and Taglet APIs in the packages
[ERROR] com.sun.javadoc, com.sun.tools.doclets and their implementations
[ERROR] are planned to be removed in a future JDK release. These
[ERROR] components have been superseded by the new APIs in jdk.javadoc.doclet.
[ERROR] Users are strongly recommended to migrate to the new APIs.
[ERROR] javadoc: error - invalid flag: -author
[ERROR]
[ERROR] Command line was: /usr/lib/jvm/java-11-openjdk-amd64/bin/javadoc @options @packages
[ERROR]
[ERROR] Refer to the generated Javadoc files in '/home/oleg/codes/oresoftware/asyncc.java/target/site/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
here is my pom.xml file:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.oresoftware</groupId>
<artifactId>async.0.1</artifactId>
<packaging>jar</packaging>
<version>0.1.1012</version>
<name>org.ores.async.Asyncc</name>
<url>https://github.com/ORESoftware/async.java</url>
<properties>
<vertx.version>3.6.0</vertx.version>
<jdk.version>10</jdk.version>
<log4j.version>1.2.17</log4j.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-stack-depchain</artifactId>
<version>${vertx.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<licenses>
<license>
<name>MIT License</name>
<url>http://www.opensource.org/licenses/mit-license.php</url>
</license>
</licenses>
<description>
A Java port of the async library for Node.js. This lib is designed to be used with Vert.x and Akka.
</description>
<scm>
<connection>scm:git:https://github.com/ORESoftware/async.java.git</connection>
<developerConnection>scm:git:ssh://github.com:ORESoftware/async.java.git</developerConnection>
<url>https://github.com/ORESoftware/async.java/tree/master</url>
</scm>
<dependencies>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-web</artifactId>
<version>3.6.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-core</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-unit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>async</finalName>
<plugins>
<plugin>
<groupId>org.sonatype.plugins</groupId>
<artifactId>nexus-staging-maven-plugin</artifactId>
<version>1.6.8</version>
<extensions>true</extensions>
<configuration>
<serverId>ossrh</serverId>
<nexusUrl>https://oss.sonatype.org/</nexusUrl>
<autoReleaseAfterClose>true</autoReleaseAfterClose>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-gpg-plugin</artifactId>
<version>1.6</version>
<executions>
<execution>
<id>sign-artifacts</id>
<phase>verify</phase>
<goals>
<goal>sign</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9</version>
<configuration>
<doclet>ch.raffael.mddoclet.MarkdownDoclet</doclet>
<docletArtifact>
<groupId>ch.raffael.markdown-doclet</groupId>
<artifactId>markdown-doclet</artifactId>
<version>1.4</version>
</docletArtifact>
<useStandardDocletOptions>true</useStandardDocletOptions>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.0.1</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-eclipse-plugin</artifactId>
<version>2.9</version>
<configuration>
<downloadSources>true</downloadSources>
<downloadJavadocs>false</downloadJavadocs>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>${jdk.version}</source>
<target>${jdk.version}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<excludes>
<exclude>**/log4j.properties</exclude>
</excludes>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.mkyong.App</mainClass>
<classpathPrefix>dependency-jars/</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.5.1</version>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<!-- exclude junit, we need runtime dependency only -->
<includeScope>runtime</includeScope>
<outputDirectory>${project.build.directory}/dependency-jars/</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
I get this error when running
mvn javadoc:javadoc:here is my pom.xml file: