Spring Boot start up Maven Failure

Sometimes we get weird error that Spring cannot read manifest file from .m2 location. If you browse, you will get the jar and find the mf file. To resolve the issue do the following

From Eclipse/STS - right click on the project and choose Maven build. In target type
dependency:purge-local-repository -DreResolve=false
and run. or open command prompt/bash shell, go to the project directory and 
run the following maven command to delete the cache
mvn dependency:purge-local-repository -DreResolve=false

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