Maven Build Failure - Compiler Plugin

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I am trying to build a project in Maven and am experiencing the following error:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project webgoat-container: Fatal error compiling: java.lang.ExceptionInInitializerError: Unable to make field private com.sun.tools.javac.processing.JavacProcessingEnvironment$DiscoveredProcessors com.sun.tools.javac.processing.JavacProcessingEnvironment.discoveredProcs accessible: module jdk.compiler does not "opens com.sun.tools.javac.processing" to unnamed module @5d01a2eb -> [Help 1]

The pom.xml of the project is:

<modelVersion>4.0.0</modelVersion>
<groupId>org.owasp.webgoat</groupId>
<artifactId>webgoat-parent</artifactId>
<packaging>pom</packaging>
<version>8.2.1-SNAPSHOT</version>

<name>WebGoat Parent Pom</name>
<description>Parent Pom for the WebGoat Project. A deliberately insecure Web Application</description>
<inceptionYear>2006</inceptionYear>
<url>https://github.com/WebGoat/WebGoat</url>

<organization>
    <name>OWASP</name>
    <url>https://github.com/WebGoat/WebGoat/</url>
</organization>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.4.3</version>
</parent>

<licenses>
    <license>
        <name>GNU General Public License, version 2</name>
        <url>https://www.gnu.org/licenses/gpl-2.0.txt</url>
    </license>
</licenses>

<developers>
    <developer>
        <id>mayhew64</id>
        <name>Bruce Mayhew</name>
        <email>webgoat@owasp.org</email>
        <organization>OWASP</organization>
        <organizationUrl>https://github.com/WebGoat/WebGoat</organizationUrl>
    </developer>
    <developer>
        <id>nbaars</id>
        <name>Nanne Baars</name>
        <email>nanne.baars@owasp.org</email>
        <organizationUrl>https://github.com/nbaars</organizationUrl>
        <timezone>Europe/Amsterdam</timezone>
    </developer>
    <developer>
        <id>misfir3</id>
        <name>Jason White</name>
        <email>jason.white@owasp.org</email>
    </developer>
    <developer>
        <id>zubcevic</id>
        <name>René Zubcevic</name>
        <email>rene.zubcevic@owasp.org</email>
    </developer>
    <developer>
        <id>jwayman</id>
        <name>Jeff Wayman</name>
        <email/>
    </developer>
    <developer>
        <id>dcowden</id>
        <name>Dave Cowden</name>
        <email/>
    </developer>
    <developer>
        <id>lawson89</id>
        <name>Richard Lawson</name>
        <email/>
    </developer>
    <developer>
        <id>dougmorato</id>
        <name>Doug Morato</name>
        <email>doug.morato@owasp.org</email>
        <organization>OWASP</organization>
        <organizationUrl>https://github.com/dougmorato</organizationUrl>
        <timezone>America/New_York</timezone>
        <properties>
            <picUrl>https://avatars2.githubusercontent.com/u/9654?v=3&amp;s=150</picUrl>
        </properties>
    </developer>
</developers>

<mailingLists>
    <mailingList>
        <name>OWASP WebGoat Mailing List</name>
        <subscribe>https://lists.owasp.org/mailman/listinfo/owasp-webgoat</subscribe>
        <unsubscribe>Owasp-webgoat-request@lists.owasp.org</unsubscribe>
        <post>owasp-webgoat@lists.owasp.org</post>
        <archive>http://lists.owasp.org/pipermail/owasp-webgoat/</archive>
    </mailingList>
</mailingLists>

<scm>
    <url>https://github.com/WebGoat/WebGoat</url>
    <connection>scm:git:git@github.com:WebGoat/WebGoat.git</connection>
    <developerConnection>scm:git:git@github.com:WebGoat/WebGoat.git</developerConnection>
    <tag>HEAD</tag>
</scm>

<issueManagement>
    <system>Github Issues</system>
    <url>https://github.com/WebGoat/WebGoat/issues</url>
</issueManagement>

<ciManagement>
    <system>Travis CI</system>
    <url>https://travis-ci.org/WebGoat/WebGoat</url>
</ciManagement>

<properties>
    <!-- Use UTF-8 Encoding -->
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <maven.compiler.source>11</maven.compiler.source>
    <maven.compiler.target>11</maven.compiler.target>

    <!-- This build number will be ubdated by Travis-CI -->
    <build.number>build</build.number>

    <!-- Shared properties with plugins and version numbers across submodules-->
    <activation.version>1.1.1</activation.version>
    <commons-collections.version>3.2.1</commons-collections.version>
    <commons-lang3.version>3.4</commons-lang3.version>
    <commons-io.version>2.6</commons-io.version>
    <guava.version>30.1-jre</guava.version>
    <lombok.version>1.18.4</lombok.version>
    <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
    <maven-failsafe-plugin.version>2.22.0</maven-failsafe-plugin.version>
    <maven-jar-plugin.version>3.1.2</maven-jar-plugin.version>
    <maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
    <maven-source-plugin.version>3.1.0</maven-source-plugin.version>
    <maven-surefire-plugin.version>3.0.0-M4</maven-surefire-plugin.version>
    <revision>8.2.0-SNAPSHOT</revision>
</properties>

<modules>
    <module>webgoat-container</module>
    <module>webgoat-lessons</module>
    <module>webgoat-server</module>
    <module>webwolf</module>
    <module>webgoat-integration-tests</module>
    <module>docker</module><!-- copy required jars in preparation of docker all-in-one build -->
</modules>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-validation</artifactId>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <scope>provided</scope>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-exec</artifactId>
        <version>1.3</version>
    </dependency>
    <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
    </dependency>
</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>flatten-maven-plugin</artifactId>
            <version>1.2.5</version>
            <configuration>
            </configuration>
            <executions>
                <execution>
                    <id>flatten</id>
                    <phase>process-resources</phase>
                    <goals>
                        <goal>flatten</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <configuration>
                <source>11</source>
                <target>11</target>
                <encoding>UTF-8</encoding>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-checkstyle-plugin</artifactId>
            <version>3.1.0</version>
            <configuration>
                <encoding>UTF-8</encoding>
                <consoleOutput>true</consoleOutput>
                <failsOnError>true</failsOnError>
                <configLocation>config/checkstyle/checkstyle.xml</configLocation>
                <suppressionsLocation>config/checkstyle/suppressions.xml</suppressionsLocation>
                <suppressionsFileExpression>checkstyle.suppressions.file</suppressionsFileExpression>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-pmd-plugin</artifactId>
            <version>3.14.0</version>
            <configuration>
                <targetJdk>11</targetJdk>
                <failurePriority>1</failurePriority><!-- 5 means fail even on the lowest priority, 0 means never fail -->
                <rulesets>
                    <!--suppress UnresolvedMavenProperty -->
                    <ruleset>${maven.multiModuleProjectDirectory}/config/pmd/pmd-ruleset.xml</ruleset>
                </rulesets>
                <failOnViolation>true</failOnViolation>
                <printFailingErrors>true</printFailingErrors>
            </configuration>
            <executions>
                <execution>
                    <goals>
                        <goal>check</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

<profiles>
    <profile>
        <id>owasp</id>
        <activation>
            <activeByDefault>false</activeByDefault>
        </activation>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.owasp</groupId>
                    <artifactId>dependency-check-maven</artifactId>
                    <version>5.3.2</version>
                    <configuration>
                        <failBuildOnCVSS>7</failBuildOnCVSS>
                        <skipProvidedScope>true</skipProvidedScope>
                        <skipRuntimeScope>true</skipRuntimeScope>
                        <suppressionFiles>
                            <!--suppress UnresolvedMavenProperty -->
                            <suppressionFile>
                                ${maven.multiModuleProjectDirectory}/config/dependency-check/project-suppression.xml
                            </suppressionFile>
                        </suppressionFiles>
                    </configuration>
                    <executions>
                        <execution>
                            <goals>
                                <goal>check</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>
    </profile>
</profiles>

<repositories>
    <repository>
        <id>central</id>
        <url>https://repo.maven.apache.org/maven2</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </repository>
</repositories>
<pluginRepositories>
    <pluginRepository>
        <id>central</id>
        <url>https://repo.maven.apache.org/maven2</url>
        <snapshots>
            <enabled>false</enabled>
        </snapshots>
    </pluginRepository>
</pluginRepositories>

mvn -v output:

Maven home: /Users/tom/apache-maven-3.6.3
Java version: 16, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk-16.jdk/Contents/Home
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.15.7", arch: "x86_64", family: "mac"

And my $JAVA_HOME is set to:

% echo $JAVA_HOME
/Library/Java/JavaVirtualMachines/jdk-16.jdk/Contents/Home

I believe that there is an issue with Maven not knowing where my correct javac is, but I'm not sure what I need to edit/add in the pom.xml file to make sure that it does know. I verified that javac is version 16.

maven-compiler-plugin maven java
4 Answers

Update your Lombok version to the latest.

user_78655870

Steps to resolve :

  1. Do mvn --version : Maven home: /Applications/apache-maven-3.8.1 Java version: 1.16.0_291, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre Default locale: en_IN, platform encoding: UTF-8 OS name: "mac os x", version: "10.15.7", arch: "x86_64", family: "mac"

  2. If your Java version if different from what is project expecting like in my case 1.8 then change setting in environment variables:

nano ~/.zshenv -> append "-v 1.8" mention the version name.

here .zshenv file :

export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)

export M2_HOME=/usr/local/Cellar/maven/3.8.1

export PATH=$PATH:$M2_HOME/bin

Do source ~/.zshenv

Now check again : mvn --version : Maven home: /Applications/apache-maven-3.8.1 Java version: 1.8.0_291, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk1.8.0_291.jdk/Contents/Home/jre Default locale: en_IN, platform encoding: UTF-8 OS name: "mac os x", version: "10.15.7", arch: "x86_64", family: "mac"

You will see version is changed to 1.8

Now build the project.

user_98816400

You need Java 11 to build the project. I was able to build it locally using JDK 11. I used maven wrapper. You can try using the following command.

./mvnw clean install

Please try again after switching to JDK 11 and make sure you checkout the master branch.

user_111988710

I faced the same problem. In my case mvn was using java version 17. The desired version for the project was java 8. Setting up the plugin configuration in the following manner did not help.

          <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-compiler-plugin</artifactId>
              <version>3.8.1</version>
              <configuration>
                 <source>1.8</source>
                  <target>1.8</target>
              </configuration>
          </plugin>

It apparently only tells mvn current compiler (in my case java 17) to accommodate source as 1.8 and target as 1.8. The javac which is actually used by mvn for compilation of the project is still java 17. This arrangement, in my particular case, was not working and I was getting the error in question. I had to instruct maven to use javac belonging to java 8 installation. This was achieved by setting an env variable JAVA_1_8_HOME pointing to java home as revealed by the versions installed on my mac system. The desired version /Library/Java/JavaVirtualMachines/openjdk-8.jdk/Contents/Home, found by running this command /usr/libexec/java_home -V was set in the JAVA_1_8_HOME environment variable. The following configuration properties are required to be set for maven-compiler-plugin.

              <configuration>
                  <verbose>true</verbose>
                  <fork>true</fork>
                  <executable>${env.JAVA_1_8_HOME}/bin/javac</executable>
                  <compilerVersion>1.8</compilerVersion>
              </configuration>
user_41769240
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