Failure to transfer org. sonatype. OSS: OSS-parent: pom: 7

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Failed: failed to read artifact descriptor for ognl: jar: 3.0.5: unresolvablemodelexception: failure to transfer org. sonatype. OSS: OSS-parent: pom: 7 from http://repo.maven.apache.org/maven2 was cached in
The local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. original error: cocould not transfer artifact Org. sonatype. OSS: OSS-parent: pom: 7 from/to central (http://repo.maven.apache.org/maven2 ):
Connection timed out to http://repo.maven.apache.org/maven2/org/sonatype/oss/oss-parent/7/oss-parent-7.pomPom. xml
/Spring_cache_demoLine 1
Maven dependency problem

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The above error is displayed in the problems output,Some pom specified jar files cannot be downloadedYou only need to open the directory c: \ Users \ Administrator \. m2 \ repository \ org \ sonatype \ OSS-parent \ 7

Then clear the directory so that the POM can be updated again (if the file is still not updated successfully, find a friend to test it)