ArtifactDescriptorException Failed to read artifact descriptor jstl

ArtifactDescriptorException Failed to read artifact descriptor jstl

ArtifactDescriptorException: Failed to read artifact descriptor for jstl:jstl:jar:1.2:
 ArtifactResolutionException: Failure to transfer jstl:jstl:pom:1.2 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: Could not transfer artifact 
 jstl:jstl:pom:1.2 from/to central (http://repo.maven.apache.org/maven2): 
 NullPointerException

Solution: This exception happens when you add new dependency in pom.xml and maven automatically not update it local repository. To resolve this issue you will have to update local maven repository manually.

• Click Window –> Preferences –> Maven –> User Settings –> Click Update Settings –> OK