GWT Eclipse plugin installation error

Hi,
while installing the plugins and SDK from google update site for
eclipse, i get the following error.
Eclipse version: 3.4.2

Cannot complete the request. See the details.
Unsatisfied dependency:
[com.google.gdt.eclipse.suite.e34.feature.feature.group
2.2.0.v201102111801] requiredCapability: org.eclipse.equinox.p2.iu/
org.eclipse.wb.core.xml.feature.feature.group/0.9.0
Unsatisfied dependency:
[com.google.appengine.eclipse.sdkbundle.e34.feature.
1.4.2.feature.group 1.4.2.v201102111801] requiredCapability:
org.eclipse.equinox.p2.iu/
com.google.gdt.eclipse.suite.e34.feature.feature.group/2.2.0
Unsatisfied dependency: [com.google.gwt.eclipse.sdkbundle.e34.feature.
2.2.0.feature.group 2.2.0.v201102111801] requiredCapability:
org.eclipse.equinox.p2.iu/
com.google.gdt.eclipse.suite.e34.feature.feature.group/2.2.0
Unsatisfied dependency:
[com.google.gdt.eclipse.suite.e34.feature.feature.group
2.2.0.v201102111801] requiredCapability: org.eclipse.equinox.p2.iu/
org.eclipse.wb.core.xml.feature.feature.group/0.9.0

I checked even with this equinox but no breakthrough.
Any idea as to why this error occurs?

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