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https://issues.apache.org/jira/browse/MNG-7944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17793236#comment-17793236
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Zhongming Hua commented on MNG-7944:
------------------------------------
[~froque]
I can't reproduce your question with your configuration. version 4.0.0-alpha-8
is ok, you can try it again.
> Execution default of goal
> org.apache.maven.plugins:maven-assembly-plugin:3.6.0:single failed: Index 2
> out of bounds for length 2
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: MNG-7944
> URL: https://issues.apache.org/jira/browse/MNG-7944
> Project: Maven
> Issue Type: Bug
> Affects Versions: 4.0.0-alpha-8
> Reporter: Filipe Roque
> Priority: Major
>
> It only affects apache-maven-4.0.0-alpha-8
> pom.xml
> {code:java}
> <?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>org.example</groupId>
> <artifactId>mvn4-assembly-index</artifactId>
> <version>1.0-SNAPSHOT</version>
> <properties>
> <maven.compiler.source>17</maven.compiler.source>
> <maven.compiler.target>17</maven.compiler.target>
> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
> </properties>
> <dependencies>
> <dependency>
> <groupId>org.ehcache</groupId>
> <artifactId>ehcache</artifactId>
> <version>3.10.8</version>
> </dependency>
> </dependencies>
> <build>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-assembly-plugin</artifactId>
> <version>3.6.0</version>
> <configuration>
> <descriptors>
>
> <descriptor>src/main/assembly/descriptor.xml</descriptor>
> </descriptors>
> <attach>false</attach>
> </configuration>
> <executions>
> <execution>
> <phase>package</phase>
> <goals>
> <goal>single</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> </plugins>
> </build>
> </project> {code}
> descriptor.xml
> {code:java}
> <assembly xmlns="http://maven.apache.org/ASSEMBLY/2.1.0";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.1.0
> http://maven.apache.org/xsd/assembly-2.1.0.xsd";>
> <id>assembly</id>
> <formats>
> <format>dir</format>
> </formats>
> <includeBaseDirectory>false</includeBaseDirectory>
> <baseDirectory>.</baseDirectory>
> <dependencySets>
> <dependencySet>
> <outputDirectory>/</outputDirectory>
> <useProjectArtifact>false</useProjectArtifact>
> <scope>runtime</scope>
> </dependencySet>
> </dependencySets>
> </assembly>
> {code}
> {code:java}
> ❯ /opt/maven/apache-maven-4.0.0-alpha-8/bin/mvn -q package
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-assembly-plugin:3.6.0:single (default) on
> project mvn4-assembly-index: Execution default of goal
> org.apache.maven.plugins:maven-assembly-plugin:3.6.0:single failed: Index 2
> out of bounds for length 2 -> [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 verbose output
> [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/PluginExecutionException
> {code}
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