error while using update manager of eclipse

[ken]

  I have the following error when I try to update the eclipse 3.4.1 (jdk1.6.0).
It looks to me that the eclipse lacks 'org.eclipse.equinox.p2.iu/org.eclipse.team.svn.feature.group/[0.7.2.I20080801-1500,1.0.0', but I am not sure why.  And I amd not sure if I had had this before.

  Could I have any walk around or fix for this problem?  


Example of error when I try to install "http://www.polarion.org/projects/subversive/download/eclipse/Native JavaHL 1.4 Implementation.

Cannot complete the request.  See the details.
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.eclipse.team.svn.feature.group/[0.7.2.I20080801-1500,1.0.0)
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.eclipse.team.svn.feature.group/[0.7.2.I20080801-1500,1.0.0)
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl 2.1.0.I20090213-1500] requiredCapability: osgi.bundle/org.eclipse.team.svn.core/0.0.0
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.eclipse.team.svn.feature.group/[0.7.2.I20080801-1500,1.0.0)
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.eclipse.team.svn.feature.group/[0.7.2.I20080801-1500,1.0.0)
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.polarion.eclipse.team.svn.connector.javahl/[2.1.0.I20090213-1500,2.1.0.I20090213-1500]
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl.feature.group 2.1.0.I20090213-1500] requiredCapability: org.eclipse.equinox.p2.iu/org.polarion.eclipse.team.svn.connector.feature.group/0.0.0
Unsatisfied dependency: [org.polarion.eclipse.team.svn.connector.javahl 2.1.0.I20090213-1500] requiredCapability: osgi.bundle/org.eclipse.team.svn.core/0.0.0