java - Maven build Error - Strange -


i facing strange maven build error. took checkout svn , pom said,

"could not calculate build plan, plugin org.apache.maven.plugins:maven-ear-plugin:2.4.2 or 1 of dependencies not resolved: failed read artifact descriptor org.apache.maven.plugins:maven-ear-plugin:jar:2.4.2"

i attaching screen shot same. tried search many resources of no help. can suggest possible reasons? enter image description here


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