Java – cannot mask jar with Maven (invokespecial / static)

2019-04-29 • Java

Complete error message:

The jar file I tried to shadow is located in my own remote repository, using sonatype nexus This is my POM configuration:

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.codelanx</groupId>
    <artifactId>phanaticprison</artifactId>
    <version>1.0.0</version>
    <name>PhanaticPrison</name>
    <packaging>jar</packaging>

    <repositories>
        <repository>
            <id>bukkit-repo</id>
            <url>http://repo.bukkit.org/content/repositories/public/</url>
        </repository>
        <repository>
            <id>codelanx-repo</id>
            <url>http://repo.codelanx.com/content/repositories/public/</url>
        </repository>
    </repositories>
    <licenses>
        <license>
            <name>Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International</name>
            <url>https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode</url>
            <distribution>repo</distribution>
        </license>
    </licenses>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <artifactSet>
                        <includes>
                            <include>com.codelanx:codelanxlib</include>
                        </includes>
                    </artifactSet>
                    <minimizeJar>true</minimizeJar>
                </configuration>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
        <resources>
            <resource>
                <targetPath>.</targetPath>
                <directory>${basedir}/src/main/resources</directory>
                <filtering>true</filtering>
            </resource>
        </resources>
        <finalName>${project.name}</finalName>
    </build>

    <dependencies>
        <dependency>
            <groupId>org.bukkit</groupId>
            <artifactId>bukkit</artifactId>
            <version>LATEST</version>
            <type>jar</type>
        </dependency>
        <dependency>
            <groupId>com.codelanx</groupId>
            <artifactId>codelanxlib</artifactId>
            <version>LATEST</version>
            <type>jar</type>
        </dependency>
    </dependencies>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
</project>

Google search errors lead to few results. The main part of the information I collect is java 8's static interface methods could cause this, but I haven't found more Jar files I try to mask doors indeed have one of the these static methods, but even if I still have to be able to use them and cover jar? I'm not sure the error means "ASM 5" (assembly?), So any direction will be appreciated

My effective POM (MVN help: effective POM):

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.phanaticmc</groupId>
  <artifactId>phanaticprison</artifactId>
  <version>1.0.0</version>
  <name>PhanaticPrison</name>
  <licenses>
    <license>
      <name>Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International</name>
      <url>https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode</url>
      <distribution>repo</distribution>
    </license>
  </licenses>
  <properties>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
  <dependencies>
    <dependency>
      <groupId>org.bukkit</groupId>
      <artifactId>bukkit</artifactId>
      <version>LATEST</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>com.codelanx</groupId>
      <artifactId>codelanxlib</artifactId>
      <version>LATEST</version>
      <scope>compile</scope>
    </dependency>
  </dependencies>
  <repositories>
    <repository>
      <id>bukkit-repo</id>
      <url>http://repo.bukkit.org/content/repositories/public/</url>
    </repository>
    <repository>
      <id>codelanx-repo</id>
      <url>http://repo.codelanx.com/content/repositories/public/</url>
    </repository>
    <repository>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <id>central</id>
      <name>Central Repository</name>
      <url>http://repo.maven.apache.org/maven2</url>
    </repository>
  </repositories>
  <pluginRepositories>
    <pluginRepository>
      <releases>
        <updatePolicy>never</updatePolicy>
      </releases>
      <snapshots>
        <enabled>false</enabled>
      </snapshots>
      <id>central</id>
      <name>Central Repository</name>
      <url>http://repo.maven.apache.org/maven2</url>
    </pluginRepository>
  </pluginRepositories>
  <build>
    <sourceDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\src\main\java</sourceDirectory>
    <scriptSourceDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\src\main\scripts</scriptSourceDirectory>
    <testSourceDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\src\test\java</testSourceDirectory>
    <outputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\classes</outputDirectory>
    <testOutputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\test-classes</testOutputDirectory>
    <resources>
      <resource>
        <targetPath>.</targetPath>
        <filtering>true</filtering>
        <directory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\src\main\resources</directory>
      </resource>
    </resources>
    <testResources>
      <testResource>
        <directory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\src\test\resources</directory>
      </testResource>
    </testResources>
    <directory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target</directory>
    <finalName>PhanaticPrison</finalName>
    <pluginManagement>
      <plugins>
        <plugin>
          <artifactId>maven-antrun-plugin</artifactId>
          <version>1.3</version>
        </plugin>
        <plugin>
          <artifactId>maven-assembly-plugin</artifactId>
          <version>2.2-beta-5</version>
        </plugin>
        <plugin>
          <artifactId>maven-dependency-plugin</artifactId>
          <version>2.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-release-plugin</artifactId>
          <version>2.0</version>
        </plugin>
      </plugins>
    </pluginManagement>
    <plugins>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>
        <version>2.4</version>
      </plugin>
      <plugin>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>2.8</version>
      </plugin>
      <plugin>
        <artifactId>maven-shade-plugin</artifactId>
        <version>2.3</version>
        <executions>
          <execution>
            <phase>package</phase>
            <goals>
              <goal>shade</goal>
            </goals>
            <configuration>
              <artifactSet>
                <includes>
                  <include>com.codelanx:codelanxlib</include>
                </includes>
              </artifactSet>
              <minimizeJar>true</minimizeJar>
            </configuration>
          </execution>
        </executions>
        <configuration>
          <artifactSet>
            <includes>
              <include>com.codelanx:codelanxlib</include>
            </includes>
          </artifactSet>
          <minimizeJar>true</minimizeJar>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-clean-plugin</artifactId>
        <version>2.4.1</version>
        <executions>
          <execution>
            <id>default-clean</id>
            <phase>clean</phase>
            <goals>
              <goal>clean</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-resources-plugin</artifactId>
        <version>2.5</version>
        <executions>
          <execution>
            <id>default-testResources</id>
            <phase>process-test-resources</phase>
            <goals>
              <goal>testResources</goal>
            </goals>
          </execution>
          <execution>
            <id>default-resources</id>
            <phase>process-resources</phase>
            <goals>
              <goal>resources</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-jar-plugin</artifactId>
        <version>2.3.2</version>
        <executions>
          <execution>
            <id>default-jar</id>
            <phase>package</phase>
            <goals>
              <goal>jar</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>2.3.2</version>
        <executions>
          <execution>
            <id>default-compile</id>
            <phase>compile</phase>
            <goals>
              <goal>compile</goal>
            </goals>
          </execution>
          <execution>
            <id>default-testCompile</id>
            <phase>test-compile</phase>
            <goals>
              <goal>testCompile</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>2.10</version>
        <executions>
          <execution>
            <id>default-test</id>
            <phase>test</phase>
            <goals>
              <goal>test</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-install-plugin</artifactId>
        <version>2.3.1</version>
        <executions>
          <execution>
            <id>default-install</id>
            <phase>install</phase>
            <goals>
              <goal>install</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-deploy-plugin</artifactId>
        <version>2.7</version>
        <executions>
          <execution>
            <id>default-deploy</id>
            <phase>deploy</phase>
            <goals>
              <goal>deploy</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-site-plugin</artifactId>
        <version>3.0</version>
        <executions>
          <execution>
            <id>default-site</id>
            <phase>site</phase>
            <goals>
              <goal>site</goal>
            </goals>
            <configuration>
              <outputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\site</outputDirectory>
              <reportPlugins>
                <reportPlugin>
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-project-info-reports-plugin</artifactId>
                </reportPlugin>
              </reportPlugins>
            </configuration>
          </execution>
          <execution>
            <id>default-deploy</id>
            <phase>site-deploy</phase>
            <goals>
              <goal>deploy</goal>
            </goals>
            <configuration>
              <outputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\site</outputDirectory>
              <reportPlugins>
                <reportPlugin>
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-project-info-reports-plugin</artifactId>
                </reportPlugin>
              </reportPlugins>
            </configuration>
          </execution>
        </executions>
        <configuration>
          <outputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\site</outputDirectory>
          <reportPlugins>
            <reportPlugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-project-info-reports-plugin</artifactId>
            </reportPlugin>
          </reportPlugins>
        </configuration>
      </plugin>
    </plugins>
  </build>
  <reporting>
    <outputDirectory>C:\Users\Spencer\Documents\NetBeansProjects\PhanaticPrison\target\site</outputDirectory>
  </reporting>
</project>

Full Maven stack trace:

org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:2.3:shade (default) on project phanaticprison: Error creating shaded jar: INVOKESPECIAL/STATIC on interfaces require ASM 5
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error creating shaded jar: INVOKESPECIAL/STATIC on interfaces require ASM 5
    at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:566)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
    ... 19 more
Caused by: java.lang.IllegalArgumentException: INVOKESPECIAL/STATIC on interfaces require ASM 5
    at org.objectweb.asm.MethodVisitor.visitMethodInsn(UnkNown Source)
    at org.objectweb.asm.commons.RemappingMethodAdapter.doVisitMethodInsn(UnkNown Source)
    at org.objectweb.asm.commons.RemappingMethodAdapter.visitMethodInsn(UnkNown Source)
    at org.objectweb.asm.ClassReader.a(UnkNown Source)
    at org.objectweb.asm.ClassReader.b(UnkNown Source)
    at org.objectweb.asm.ClassReader.accept(UnkNown Source)
    at org.objectweb.asm.ClassReader.accept(UnkNown Source)
    at org.vafer.jdependency.Clazzpath.addClazzpathUnit(Clazzpath.java:194)
    at org.vafer.jdependency.Clazzpath.addClazzpathUnit(Clazzpath.java:130)
    at org.apache.maven.plugins.shade.filter.MinijarFilter.addDependencyToClasspath(MinijarFilter.java:101)
    at org.apache.maven.plugins.shade.filter.MinijarFilter.<init>(MinijarFilter.java:81)
    at org.apache.maven.plugins.shade.mojo.ShadeMojo.getFilters(ShadeMojo.java:805)
    at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:458)
    ... 21 more

Solution

Because I recently encountered the same problem, I spent a long time repairing it. That's what I did:

The required version of ASM is 5.0 3. However, the version currently available in the shade plug-in is 5.0 2. Look at the ticket of JIRA. It seems that it has been repaired in 2.4, but that version has not been used by the public (from May 4, 2015 to the time I wrote this article)

So all you have to do is activate the developer version by adding this part to your POM https://maven.apache.org/guides/development/guide-testing-development-plugins.html )：

<pluginRepositories>
    <pluginRepository>
        <id>apache.snapshots</id>
        <url>http://repository.apache.org/snapshots/</url>
    </pluginRepository>
</pluginRepositories>

And set the plug-in version to 2.4-snapshot:

<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-shade-plugin</artifactId>
        <version>2.4-SNAPSHOT</version>
    </plugin>
</plugins>

I hope this can help!

The content of this article comes from the network collection of netizens. It is used as a learning reference. The copyright belongs to the original author.

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