scala - play -help gives Error: Could not retrieve sbt 0.13.0: missing sbt.xMain -


i created new app using command play new hello , cd'ed directory. when type play in directory, receive following error:

akshay@akshay:~/play/testn$ play -help java hotspot(tm) server vm warning: ignoring option maxpermsize=512m; support removed in 8.0 getting org.scala-sbt sbt 0.13.0 ... :: retrieving :: org.scala-sbt#boot-app     confs: [default]     0 artifacts copied, 43 retrieved (0kb/45ms) error: not retrieve sbt 0.13.0: missing sbt.xmain

play working fine in old ubuntu box. today got fresh copy of ubuntu 12.04 32 bit. know error due change in version, certainly, not able solve this. please me on this.

in checked .sbt/boot/update.log , can see :

trying http://repo.typesafe.com/typesafe/ivy-releases/org.sonatype.oss/oss-parent/7/jars/oss-parent.jar                 tried http://repo.typesafe.com/typesafe/ivy-releases/org.sonatype.oss/oss-parent/7/jars/oss-parent.jar http response status: 404 url=http://repo.typesafe.com/typesafe/ivy-releases/org.sonatype.oss/oss-parent/7/jars/oss-parent.jar client error: not found url=http://repo.typesafe.com/typesafe/ivy-releases/org.sonatype.oss/oss-parent/7/jars/oss-parent.jar         typesafe-ivy-releases: resource not reachable org.sonatype.oss#oss-parent;7: res=http://repo.typesafe.com/typesafe/ivy-releases/org.$          trying http://repo1.maven.org/maven2/org/sonatype/oss/oss-parent/

though error coming fresh ubuntu installation oracle jdk 8, tried removing jdk , installing jdk 7, still no solution. since fresh installation, reinstalled ubuntu , installed jdk 7 , problem solved. not sure why contradictory play's recomendation of using jdk 6 or above. notifying play google groups this.


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