Question

我一直在尝试重命名tika应用程序类。由于类路径上存在重复的类，因此存在加载冲突。当我尝试运行maven install -e时，抛出错误，我想使用

org.apache.tika

类别为

com.test1.tika

pom.xml文件如下所示

 <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.test1.tika</groupId>
  <artifactId>tika-app</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>tika-app</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.apache.tika</groupId>
        <artifactId>tika-app</artifactId>
        <version>1.20</version>
    </dependency>
  </dependencies>


  <build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3</version>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-shade-plugin</artifactId>
            <version>2.3</version>
            <configuration>
                <createSourcesJar>true</createSourcesJar>
                <relocations>
                    <relocation>
                        <pattern>org.apache.tika.</pattern>
                        <shadedPattern>com.test1.tika.</shadedPattern>
                    </relocation>
                </relocations>
            </configuration>
            <executions>
                <execution>
                    <phase>package</phase>
                    <goals>
                        <goal>shade</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

</project>

mvn软件包命令中的错误如下：

[错误]无法执行目标 org.apache.maven.plugins：maven-shade-plugin：2.3：shade（默认）项目tika-app：创建阴影罐子时出错：null： IllegalArgumentException-> [帮助1] org.apache.maven.lifecycle.LifecycleExecutionException：失败执行目标org.apache.maven.plugins：maven-shade-plugin：2.3：shade （默认）项目tika-app：创建阴影罐子时出错：null 在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:215）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:156）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:148）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:117）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:81）在org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build （SingleThreadedBuilder.java:56）在org.apache.maven.lifecycle.internal.LifecycleStarter.execute（LifecycleStarter.java:128）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:305）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:192）在org.apache.maven.DefaultMaven.execute（DefaultMaven.java:105）在org.apache.maven.cli.MavenCli.execute（MavenCli.java:956）在org.apache.maven.cli.MavenCli.doMain（MavenCli.java:288）在org.apache.maven.cli.MavenCli.main（MavenCli.java:192）在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）处在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）在java.lang.reflect.Method.invoke（Method.java:498）在org.codehaus.plexus.classworlds.launcher.Launcher.launch上增强（Launcher.java:289）在org.codehaus.plexus.classworlds.launcher.Launcher.launch（Launcher.java:229）在org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode （Launcher.java:415）在org.codehaus.plexus.classworlds.launcher.Launcher.main（Launcher.java:356）上由以下原因引起： org.apache.maven.plugin.MojoExecutionException：创建阴影时出错 jar：null 在org.apache.maven.plugins.shade.mojo.ShadeMojo.execute（ShadeMojo.java:566）在org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo（DefaultBuildPluginManager.java:137）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:210）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:156）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:148）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:117）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:81）在org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build （SingleThreadedBuilder.java:56）在org.apache.maven.lifecycle.internal.LifecycleStarter.execute（LifecycleStarter.java:128）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:305）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:192）在org.apache.maven.DefaultMaven.execute（DefaultMaven.java:105）在org.apache.maven.cli.MavenCli.execute（MavenCli.java:956）在org.apache.maven.cli.MavenCli.doMain（MavenCli.java:288）在org.apache.maven.cli.MavenCli.main（MavenCli.java:192）在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）处在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）在java.lang.reflect.Method.invoke（Method.java:498）在org.codehaus.plexus.classworlds.launcher.Launcher.launch上增强（Launcher.java:289）在org.codehaus.plexus.classworlds.launcher.Launcher.launch（Launcher.java:229）在org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode （Launcher.java:415）在org.codehaus.plexus.classworlds.launcher.Launcher.main上（Launcher.java:356）造成原因：java.lang.IllegalArgumentException 在org.objectweb.asm.ClassReader中。（来源不明）在org.objectweb.asm.ClassReader中。（来源不明）在org.objectweb.asm.ClassReader中。（来源不明）在org.apache.maven.plugins.shade.DefaultShader.addRemappedClass（DefaultShader.java:331）在org.apache.maven.plugins.shade.DefaultShader.shade（DefaultShader.java:165）在org.apache.maven.plugins.shade.mojo.ShadeMojo.execute（ShadeMojo.java:471）在org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo（DefaultBuildPluginManager.java:137）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:210）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:156）在org.apache.maven.lifecycle.internal.MojoExecutor.execute（MojoExecutor.java:148）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:117）在org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject中（LifecycleModuleBuilder.java:81）在org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build （SingleThreadedBuilder.java:56）在org.apache.maven.lifecycle.internal.LifecycleStarter.execute（LifecycleStarter.java:128）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:305）在org.apache.maven.DefaultMaven.doExecute（DefaultMaven.java:192）在org.apache.maven.DefaultMaven.execute（DefaultMaven.java:105）在org.apache.maven.cli.MavenCli.execute（MavenCli.java:956）在org.apache.maven.cli.MavenCli.doMain（MavenCli.java:288）在org.apache.maven.cli.MavenCli.main（MavenCli.java:192）在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）处在sun.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）在sun.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）在java.lang.reflect.Method.invoke（Method.java:498）在org.codehaus.plexus.classworlds.launcher.Launcher.launch上增强（Launcher.java:289）在org.codehaus.plexus.classworlds.launcher.Launcher.launch（Launcher.java:229）在org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode （Launcher.java:415）在org.codehaus.plexus.classworlds.launcher.Launcher.main上（Launcher.java:356）[ERROR] [ERROR]使用-X开关重新运行Maven 启用完整的调试日志记录。 [错误] [错误]有关更多信息有关错误和可能的解决方案，请阅读以下内容文章：[错误] [帮助1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

Answer 1

将maven-compiler-plugin版本从2.3更改为3.2.1即可解决。

Maven阴影插件-无法执行目标

1 个答案: