eclipse安装groovy出现错误对策

eclipse安装groovy出现错误如下

Cannot complete the request. See the details.
Unsatisfied dependency: [org.codehaus.groovy.eclipse.testng.feature.feature.group 1.5.7.20081120_2330] requiredCapability: org.eclipse.equinox.p2.iu/org.testng.eclipse/0.0.0
Unsatisfied dependency: [org.codehaus.groovy.eclipse.testng 1.5.7.20081120_2330] requiredCapability: osgi.bundle/org.testng.eclipse/0.0.0
Unsatisfied dependency: [org.codehaus.groovy.eclipse.testng.feature.feature.group 1.5.7.20081120_2330] requiredCapability: org.eclipse.equinox.p2.iu/org.testng.eclipse/0.0.0
Unsatisfied dependency: [org.codehaus.groovy.eclipse.testng.feature.feature.group 1.5.7.20081120_2330] requiredCapability: org.eclipse.equinox.p2.iu/org.codehaus.groovy.eclipse.testng/[1.5.7.20081120_2330,1.5.7.20081120_2330]
Unsatisfied dependency: [org.codehaus.groovy.eclipse.testng 1.5.7.20081120_2330] requiredCapability: osgi.bundle/org.testng.eclipse/0.0.0

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对策如下

在安装groovy补丁之前先安装下面的补丁。安装方法，同groovy的安装，将下面的地址拷贝。

然后通过 Updates 的 Add Site来安装。地址是     http://beust.com/eclipse/