这种情况分为在eclipse中打war包和在cmd命令中打war包两种不同情况。


1.在eclipse中打maven项目的war报错:Perhaps you are running on a JRE rather than a JDK?

  原因:eclipse中的java 编译环境用了JRE ,换成JDK即可

  解决方法:window -->preferences-->java-->Installed JREs  换成JDK编译即可

Maven打包编译时出现:Perhaps you are running on a JRE rather than a JDK?


maven install时报:Dmaven.multiModuleProjectDirectory system propery is not set. Check $M2_HOME
解决方案:
①可以设一个环境变量MAVEN_HOME指向你的maven安装目录MAVEN_HOME=D:\Apps\apache-maven-3.3.1
②然后在Window->Preference->Java->Installed JRES->Edit在Default VM arguments中设置
-Dmaven.multiModuleProjectDirectory=$MAVEN _HOME,如图所示:

Maven打包编译时出现:Perhaps you are running on a JRE rather than a JDK?


2.在cmd命令中通过命令:mvn clean package -Ptst 打war包报错:Perhaps you are running on a JRE rather than a JDK?

将java环境变量中的${JAVA_HOME}设置成JDK编译即可

Maven打包编译时出现:Perhaps you are running on a JRE rather than a JDK?


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