the warnings look like this. Then under are my plugins How should I configure plugins to remove all META-INF warnings? the warnings look like this. Then under are my plugins How should I configure plugins to remove all META-INF warnings? Hier is one explanation that I have found. Maven Shade plugin: how resolve the warning message "define 1 overlapping resource: [WARNING] - META-INF/MANIFEST.MF"
[WARNING] Discovered module-info.class. Shading will break its strong encapsulation.
[WARNING] Discovered module-info.class. Shading will break its strong encapsulation.
[WARNING] FastInfoset-1.2.15.jar, HikariCP-java7-2.4.13.jar, MigLayout-3.7.2.jar, SparseBitSet-1.2.jar, TeoClientTest.jar, activemq-client-5.17.0.jar, animal-sniffer-annotations-1.17.jar, ant-1.10.12.jar, ant-antlr-1.10.12.jar, ant-junit-1.10.12.jar, ant-launcher-1.10.12.jar, asm-7.1.jar, bapi-skif-11.5.0-SNAPSHOT.jar, bcprov-jdk15on-1.68.jar, byte-buddy-1.8.12.jar, c3p0-0.9.5.4.jar, cglib-3.3.0.jar, checker-qual-2.5.2.jar, classmate-1.4.0.jar, cloning-1.9.12.jar, commons-beanutils-1.9.4.jar, commons-cli-1.4.jar, commons-codec-1.15.jar, commons-collections-3.2.2.jar, commons-collections4-4.4.jar, commons-compiler-3.1.6.jar, commons-compress-1.19.jar, commons-digester-2.1.jar, commons-email-1.5.jar, commons-io-2.11.0.jar, commons-lang-2.6.jar, commons-lang3-3.4.jar, commons-math3-3.6.1.jar, curvesapi-1.06.jar, ecj-3.21.0.jar, error_prone_annotations-2.2.0.jar, failureaccess-1.0.1.jar, geronimo-j2ee-management_1.1_spec-1.0.1.jar, groovy-3.0.10.jar, groovy-ant-3.0.10.jar, groovy-astbuilder-3.0.10.jar, groovy-cli-picocli-3.0.10.jar, groovy-console-3.0.10.jar, groovy-datetime-3.0.10.jar, groovy-docgenerator-3.0.10.jar, groovy-groovydoc-3.0.10.jar, groovy-groovysh-3.0.10.jar, groovy-jmx-3.0.10.jar, groovy-json-3.0.10.jar, groovy-jsr223-3.0.10.jar, groovy-macro-3.0.10.jar, groovy-nio-3.0.10.jar, groovy-servlet-3.0.10.jar, groovy-sql-3.0.10.jar, groovy-swing-3.0.10.jar, groovy-templates-3.0.10.jar, groovy-test-3.0.10.jar, groovy-test-junit5-3.0.10.jar, groovy-testng-3.0.10.jar, groovy-xml-3.0.10.jar, gson-2.9.0.jar, guava-27.0.1-jre.jar, hawtbuf-1.11.jar, httpclient-4.5.13.jar, httpcore-4.4.13.jar, httpmime-4.5.13.jar, itext-2.1.7.js9.jar, itextpdf-5.5.6.jar, j2objc-annotations-1.1.jar, jackson-annotations-2.11.3.jar, jackson-core-2.11.3.jar, jackson-databind-2.11.3.jar, jackson-dataformat-xml-2.11.3.jar, jackson-module-jaxb-annotations-2.11.3.jar, jakarta.activation-2.0.1.jar, janino-3.1.6.jar, jasperreports-6.19.0.jar, javaparser-core-3.24.0.jar, javassist-3.28.0-GA.jar, javax.activation-api-1.2.0.jar, javax.annotation-api-1.3.2.jar, javax.jms-api-2.0.1.jar, javax.mail-1.5.6.jar, jaxb-api-2.3.1.jar, jaxb-core-3.0.2.jar, jaxb-impl-3.0.2.jar, jaxb-runtime-2.4.0-b180830.0438.jar, jcl-over-slf4j-1.7.35.jar, jcommander-1.78.jar, jcommon-1.0.24.jar, jdom2-2.0.6.1.jar, jfreechart-1.5.3.jar, jide-action-3.7.10.jar, jide-charts-3.7.10.jar, jide-common-3.7.10.jar, jide-components-3.7.10.jar, jide-dashboard-3.7.10.jar, jide-dock-3.7.10.jar, jide-editor-3.7.10.jar, jide-gantt-3.7.10.jar, jide-grids-3.7.10.jar, jide-pivot-3.7.10.jar, jide-plaf-3.7.10.jar, jide-shortcut-3.7.10.jar, jline-2.14.6.jar, jna-5.11.0.jar, jna-platform-5.11.0.jar, joda-time-2.10.14.jar, jollyday-0.5.10.jar, jquery-3.5.1.jar, jsr305-3.0.2.jar, jul-to-slf4j-1.7.35.jar, junit-jupiter-api-5.8.2.jar, junit-jupiter-engine-5.8.2.jar, junit-platform-commons-1.8.2.jar, junit-platform-engine-1.8.2.jar, junit-platform-launcher-1.8.2.jar, listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar, log4j-over-slf4j-1.7.35.jar, logback-classic-1.2.10.jar, logback-core-1.2.10.jar, mapstruct-1.2.0.Final.jar, mchange-commons-java-0.2.15.jar, mybatis-3.5.7.jar, objenesis-3.0.1.jar, ojdbc11-21.5.0.0.jar, opencsv-2.3.jar, opentest4j-1.2.0.jar, picocli-4.6.1.jar, plac-exif-21.2.0.0.jar, poi-4.1.2.jar, poi-ooxml-4.1.2.jar, poi-ooxml-schemas-4.1.2.jar, qdox-1.12.1.jar, quartz-2.3.2.jar, reflections-0.10.2.jar, slf4j-api-1.7.35.jar, spring-aop-5.2.20.RELEASE.jar, spring-beans-5.2.20.RELEASE.jar, spring-context-5.2.20.RELEASE.jar, spring-context-support-5.2.20.RELEASE.jar, spring-core-5.2.20.RELEASE.jar, spring-expression-5.2.20.RELEASE.jar, spring-jdbc-5.2.20.RELEASE.jar, spring-jms-5.2.20.RELEASE.jar, spring-messaging-5.2.20.RELEASE.jar, spring-orm-5.2.20.RELEASE.jar, spring-oxm-5.2.20.RELEASE.jar, spring-plugin-core-1.2.0.RELEASE.jar, spring-plugin-metadata-1.2.0.RELEASE.jar, spring-security-core-5.4.10.jar, spring-tx-5.2.20.RELEASE.jar, spring-web-5.2.20.RELEASE.jar, spring-webmvc-5.2.20.RELEASE.jar, springfox-core-2.9.2.jar, springfox-schema-2.9.2.jar, springfox-spi-2.9.2.jar, springfox-spring-web-2.9.2.jar, springfox-swagger-common-2.9.2.jar, springfox-swagger-ui-2.9.2.jar, springfox-swagger2-2.9.2.jar, stax-ex-1.8.jar, stax2-api-4.2.1.jar, swagger-annotations-1.5.20.jar, swagger-models-1.5.20.jar, teo-common-report-10.3.0-SNAPSHOT.jar, teo-common-ui-10.3.0-SNAPSHOT.jar, teo-common-ui-report-10.3.0-SNAPSHOT.jar, teo-common-util-10.3.0-SNAPSHOT.jar, teo-skif-12.7.0-SNAPSHOT.jar, testng-7.5.jar, threeten-extra-1.5.0.jar, ucp-21.5.0.0.jar, woodstox-core-6.2.1.jar, xbean-spring-4.20.jar, xmlbeans-3.1.0.jar define 1 overlapping resource:
[WARNING] - META-INF/MANIFEST.MF
[WARNING] activemq-client-5.17.0.jar, cglib-3.3.0.jar, classmate-1.4.0.jar, geronimo-j2ee-management_1.1_spec-1.0.1.jar, groovy-3.0.10.jar, groovy-ant-3.0.10.jar, groovy-astbuilder-3.0.10.jar, groovy-cli-picocli-3.0.10.jar, groovy-console-3.0.10.jar, groovy-datetime-3.0.10.jar, groovy-docgenerator-3.0.10.jar, groovy-groovydoc-3.0.10.jar, groovy-groovysh-3.0.10.jar, groovy-jmx-3.0.10.jar, groovy-json-3.0.10.jar, groovy-jsr223-3.0.10.jar, groovy-macro-3.0.10.jar, groovy-nio-3.0.10.jar, groovy-servlet-3.0.10.jar, groovy-sql-3.0.10.jar, groovy-swing-3.0.10.jar, groovy-templates-3.0.10.jar, groovy-test-3.0.10.jar, groovy-test-junit5-3.0.10.jar, groovy-testng-3.0.10.jar, groovy-xml-3.0.10.jar, httpclient-4.5.13.jar, httpcore-4.4.13.jar, httpmime-4.5.13.jar, jackson-annotations-2.11.3.jar, jackson-core-2.11.3.jar, jackson-databind-2.11.3.jar, jackson-dataformat-xml-2.11.3.jar, jackson-module-jaxb-annotations-2.11.3.jar, jna-5.11.0.jar, jna-platform-5.11.0.jar, mybatis-3.5.7.jar, objenesis-3.0.1.jar, poi-4.1.2.jar, poi-ooxml-4.1.2.jar, poi-ooxml-schemas-4.1.2.jar, stax2-api-4.2.1.jar, woodstox-core-6.2.1.jar, xbean-spring-4.20.jar define 1 overlapping resource:
[WARNING] - META-INF/LICENSE
[WARNING] activemq-client-5.17.0.jar, cglib-3.3.0.jar, classmate-1.4.0.jar, geronimo-j2ee-management_1.1_spec-1.0.1.jar, groovy-3.0.10.jar, groovy-ant-3.0.10.jar, groovy-astbuilder-3.0.10.jar, groovy-cli-picocli-3.0.10.jar, groovy-console-3.0.10.jar, groovy-datetime-3.0.10.jar, groovy-docgenerator-3.0.10.jar, groovy-groovydoc-3.0.10.jar, groovy-groovysh-3.0.10.jar, groovy-jmx-3.0.10.jar, groovy-json-3.0.10.jar, groovy-jsr223-3.0.10.jar, groovy-macro-3.0.10.jar, groovy-nio-3.0.10.jar, groovy-servlet-3.0.10.jar, groovy-sql-3.0.10.jar, groovy-swing-3.0.10.jar, groovy-templates-3.0.10.jar, groovy-test-3.0.10.jar, groovy-test-junit5-3.0.10.jar, groovy-testng-3.0.10.jar, groovy-xml-3.0.10.jar, httpclient-4.5.13.jar, httpcore-4.4.13.jar, httpmime-4.5.13.jar, jackson-core-2.11.3.jar, jackson-databind-2.11.3.jar, jackson-dataformat-xml-2.11.3.jar, jackson-module-jaxb-annotations-2.11.3.jar, mybatis-3.5.7.jar, objenesis-3.0.1.jar, poi-4.1.2.jar, poi-ooxml-4.1.2.jar, poi-ooxml-schemas-4.1.2.jar, xbean-spring-4.20.jar define 1 //
[WARNING] maven-shade-plugin has detected that some class files are
[WARNING] present in two or more JARs. When this happens, only one
[WARNING] single version of the class is copied to the uber jar.
[WARNING] Usually this is not harmful and you can skip these warnings,
[WARNING] otherwise try to manually exclude artifacts based on
[WARNING] mvn dependency:tree -Ddetail=true and the above output.
[WARNING] See http://maven.apache.org/plugins/maven-shade-plugin/
How can I remove these WARNINGS?
My plugins looks like this:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.4</version>
<configuration>
<minimizeJar>true</minimizeJar>
<inLibsFilter>!META-INF/**,!META-INF/versions/9/**.class</inLibsFilter>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.basepom.maven</groupId>
<artifactId>duplicate-finder-maven-plugin</artifactId>
<version>1.5.1</version>
<executions>
<execution>
<id>default</id>
<phase>verify</phase>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
<configuration>
<printEqualFiles>false</printEqualFiles>
<failBuildInCaseOfDifferentContentConflict>false</failBuildInCaseOfDifferentContentConflict>
<failBuildInCaseOfEqualContentConflict>false</failBuildInCaseOfEqualContentConflict>
<failBuildInCaseOfConflict>false</failBuildInCaseOfConflict>
<checkCompileClasspath>true</checkCompileClasspath>
<checkRuntimeClasspath>true</checkRuntimeClasspath>
<checkTestClasspath>false</checkTestClasspath>
<skip>false</skip>
<quiet>false</quiet>
<preferLocal>true</preferLocal>
<useResultFile>true</useResultFile>
<resultFileMinClasspathCount>2</resultFileMinClasspathCount>
<resultFile>${project.build.directory}/duplicate-finder-result.xml</resultFile>
<includeBootClasspath>false</includeBootClasspath>
<bootClasspathProperty>sun.boot.class.path</bootClasspathProperty>
<useDefaultResourceIgnoreList>true</useDefaultResourceIgnoreList>
<includePomProjects>false</includePomProjects>
<useDefaultResourceIgnoreList>true</useDefaultResourceIgnoreList>
<ignoredResourcePatterns>
<ignoredResourcePattern>jasperreports_extension\.properties</ignoredResourcePattern>
<ignoredResourcePattern>\.project</ignoredResourcePattern>
<ignoredResourcePattern>.*\.png$</ignoredResourcePattern>
<ignoredResourcePattern>.*\.txt$</ignoredResourcePattern>
<ignoredResourcePattern>.*\.json$</ignoredResourcePattern>
<ignoredResourcePattern>.*\.xml$</ignoredResourcePattern>
<ignoredResourcePattern>.*\.properties$</ignoredResourcePattern>
<ignoredResourcePattern>.*\.md$</ignoredResourcePattern>
</ignoredResourcePatterns>
<ignoredClassPatterns>
<ignoredClassPattern>(META-INF)</ignoredClassPattern>
</ignoredClassPatterns>
<!-- Beispiele <ignoredResourcePatterns> jasperreports_extension.properties
<ignoredResourcePattern>.*index\.html$</ignoredResourcePattern> </ignoredResourcePatterns>
<ignoredClassPatterns> <ignoredClassPattern>javax.*$</ignoredClassPattern>
</ignoredClassPatterns> -->
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<filters>
<filter>
<artifact>*:*</artifact>
<!-- We need to exclude the signatures for any signed jars otherwise
we get an exception. -->
<excludes>
<exclude>META-INF/*</exclude>
<exclude>META-INF/*.*</exclude>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
</configuration>
</plugin>
This example works for me: