When mac OS uses maven, the following error occurs: Workspace defines a VM that does not contain a valid jre/lib/rt. jar.

When using maven to execute mvn eclipse: eclipse in mac OS, a warning message is displayed in the log output on the command line. The information is as follows:

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[WARNING] Workspace defines a VM that does not contain a valid jre/lib/rt. jar: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home

The reason is that there is no rt in mac OS. jar file, with classes. the complete path of jar is/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/classes. jar, know the cause, it is easy to solve this problem, just need to make a soft link, the operation is as follows:

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Cd/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Sudo mkdir-p jre/lib Sudo ln-s/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Classes/classes. jar jre/lib/rt. jar

If you are a root user, you can omit

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"Sudo"