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java编译通过，运行却提示找不到或无法加载主类的解决方案

一、问题描述java(javac HelloWorld.java)编译通过，（java HelloWorld）运行却提示找不到或无法加载主类的一般多见过java初上手，使用命令行的方式运行java程序，一般使用IDE工具是不会遇见的。二、分析和解决既然javac编译已经通过，这说明变量 JAVA...

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[帮助文档] 运行RocketMQJavaSDK的准备环境说明

在运行Java SDK收发消息前，您需按照本文提供的步骤来准备环境。

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[帮助文档] Dataphin管道任务将FTP数据同步到Hive,运行报错java.io.IOException:Inputisnotinthe.gzformat

问题描述Dataphin管道任务将FTP数据同步到Hive，运行报错“java.io.IOException: Input is not in the .gz format”。完整报错信息如下：2022-09-15 18:36:43.234 [0-0-0-reader] INFO Ftp...

[帮助文档] 数据集成任务运行报错java.io.IOException:Failedonlocalexception:java.io.IOException:javax.security.sasl.SaslException:GSSinitiatefailed[CausedbyGSSException:Novalidcredentialsprovided

问题描述Dataphin中数据集成任务运行报错“java.io.IOException: Failed on local exception: java.io.IOException: javax.security.sasl.SaslException: GSS initiate failed [C...

[帮助文档] Dataphin如何解决数据源查询逻辑表数据,运行报错java.sql.SQLException:executeerror:Tableforbidden

问题描述Dataphin 通过SDK代码调用“服务”模块发布的“Dataphin数据源”查询逻辑表数据，运行报错“java.sql.SQLException:execute error: Table forbidden”问题原因SQL语句中没有带业务板块导致。解决方案修改SDK代码，SQL语句中加上...

Java 技术篇-IntelliJ IDEA修改类名后运行提示找不到或无法加载主类问题解决方法

运行后提示提示"找不到或无法加载主类"，看右上角可以看到默认运行的主类名字没有被更新，问题就出在这里了。右键项目直接运行新项目就好了，后面默认运行主类就会被更新过来了。可以看到已经被更新过来了。喜欢的点个赞❤吧！

java编译通过，为什么运行却提示找不到或无法加载主类？

java编译通过，为什么运行却提示找不到或无法加载主类？ https://www.zhihu.com/question/36537093 这边提供一个关于程序中含有package关键字，使用“终端”运行程序时出现“找不到或无法加载主类”，而使用Eclipse软件可以正常运行程序的可能解决办法。例如...

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