ubuntu下eclipse安装web组建出现如下问题：
Cannot complete the install because of a conflicting dependency.
Software being installed: Web Page Editor (Optional) 2.1.0.v20090128-3219oA55U5D7N2532 (org.eclipse.jst.webpageeditor.feature.feature.group 2.1.0.v20090128-3219oA55U5D7N2532)
Software currently installed: Eclipse Platform 3.7.0.debbuild (org.eclipse.platform.ide 3.7.0.debbuild)
Only one of the following can be installed at once:
International Components for Unicode for Java (ICU4J) 3.8.1.v20080530 (com.ibm.icu 3.8.1.v20080530)
International Components for Unicode for Java (ICU4J) 4.4.2.v20110823 (com.ibm.icu 4.4.2.v20110823)
ICU4J 49.1.0 (com.ibm.icu 49.1.0)
Cannot satisfy dependency:
From: Web Page Editor (Optional) 2.1.0.v20090128-3219oA55U5D7N2532 (org.eclipse.jst.webpageeditor.feature.feature.group 2.1.0.v20090128-3219oA55U5D7N2532)
To: org.eclipse.wst.xml.ui [1.0.100,1.1.0)
Cannot satisfy dependency:
From: Eclipse Platform 3.8.1.dist-A8F8_IVSG4WGSImg7oLZb9p1HecSFyJZcMPL9 (org.eclipse.platform.feature.group 3.8.1.dist-A8F8_IVSG4WGSImg7oLZb9p1HecSFyJZcMPL9)
To: org.eclipse.rcp.feature.group [3.8.1.dist-92A7GODFSNQBG]
Cannot satisfy dependency:
From: Eclipse Platform 3.7.0.debbuild (org.eclipse.platform.ide 3.7.0.debbuild)
To: org.eclipse.platform.feature.group [3.8.1.dist-A8F8_IVSG4WGSImg7oLZb9p1HecSFyJZcMPL9]
Cannot satisfy dependency:
From: Eclipse RCP 3.8.1.dist-92A7GODFSNQBG (org.eclipse.rcp.feature.group 3.8.1.dist-92A7GODFSNQBG)
To: com.ibm.icu [49.1.0]
Cannot satisfy dependency:
From: XML UI Plugin 1.0.430.v200901212230 (org.eclipse.wst.xml.ui 1.0.430.v200901212230)
To: bundle com.ibm.icu [3.8.1,4.0.0)
原因是权限的问题：
解决办法是用root用户打开或者sudo -E eclipse，然后在安装。
借鉴：
