When jar file is running: Failed to load Main-Class manifest attribute from ……Solution

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Jar file runtime: Failed to load main-class manifest Attribute from… The solution

Failed to load main-class manifest Attribute from… , which is caused by the unset program entry program. Open the JAR file with WinRAR, expand the meta-INF folder, and check the MANIFEst.MF file. It can be found that main-class is not set, which is the reason of the exception.

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Jar file runtime: Failed to load main-class manifest Attribute from… The solution

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