Maven错误: 找不到或无法加载主类

最新推荐文章于 2025-04-25 10:31:59 发布

CS_GG

最新推荐文章于 2025-04-25 10:31:59 发布

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分类专栏： java 文章标签： java maven compiler

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当遇到Maven错误：找不到或无法加载主类时，这通常意味着JRE System Library缺失tools.jar。解决方法包括检查项目属性，确保正确配置了.class文件路径，尝试项目清理，或调整环境变量。

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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project webapp: Compilation failure
[ERROR] Unable to locate the Javac Compiler in:
[ERROR] D:\develop\java1.8\..\lib\tools.jar
[ERROR] Please ensure you are using JDK 1.4 or above and
[ERROR] not a JRE (the com.sun.tools.javac.Main class is required).
[ERROR] In most cases you can change the location of your Java
[ERROR] installation by setting the JAVA_HOME environment variable.
[ERROR] -> [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 full debug logging.
[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/MojoFailureException

运行时找不到或无法加载主类,此时是我们的JRE System Library中缺少toolsjar包

此时我们右击项目打开properties