在eclipse中使用install new software安装web and javaee development出现依赖冲突问题

Question

Cannot complete the install because of a conflicting dependency.  Software being installed: Eclipse XML Editors and Tools 3.0.4.v200811211541-7F2ENnCwum8W79A1UYNgSjOcFVJg (org.eclipse.wst.xml_ui.feature.feature.group 3.0.4.v200811211541-7F2ENnCwum8W79A1UYNgSjOcFVJg)  Software currently installed: Marketplace Client 1.1.1.I20110907-0947 (org.eclipse.epp.mpc.feature.group 1.1.1.I20110907-0947)  Only one of the following can be installed at once:     International Components for Unicode for Java (ICU4J) 52.1.0.v201404241930 (com.ibm.icu 52.1.0.v201404241930)    International Components for Unicode for Java (ICU4J) 4.4.2.v20110208 (com.ibm.icu 4.4.2.v20110208)    International Components for Unicode for Java (ICU4J) 52.1.1.v201501240615 (com.ibm.icu 52.1.1.v201501240615)    International Components for Unicode for Java (ICU4J) 4.4.2.v20110823 (com.ibm.icu 4.4.2.v20110823)    International Components for Unicode for Java (ICU4J) 3.8.1.v20080530 (com.ibm.icu 3.8.1.v20080530)  Only one of the following can be installed at once:     Core Runtime 3.8.0.v20120912-155025 (org.eclipse.core.runtime 3.8.0.v20120912-155025)    Core Runtime 3.4.0.v20080512 (org.eclipse.core.runtime 3.4.0.v20080512)    Core Runtime 3.8.0.v20120521-2346 (org.eclipse.core.runtime 3.8.0.v20120521-2346)    Core Runtime 3.7.0.v20110110 (org.eclipse.core.runtime 3.7.0.v20110110)    Core Runtime 3.10.0.v20140318-2214 (org.eclipse.core.runtime 3.10.0.v20140318-2214)  Cannot satisfy dependency:    From: Marketplace Client 1.1.1.I20110907-0947 (org.eclipse.epp.mpc.core 1.1.1.I20110907-0947)    To: bundle org.eclipse.core.runtime 3.6.0  Cannot satisfy dependency:    From: Marketplace Client 1.1.1.I20110907-0947 (org.eclipse.epp.mpc.feature.group 1.1.1.I20110907-0947)    To: org.eclipse.epp.mpc.core [1.1.1.I20110907-0947]  Cannot satisfy dependency:    From: Eclipse Help System 1.0.2.R342_v20090122-7r7xEKaEJBZu5oGhP3u6nOmbM9VK (org.eclipse.help.feature.group 1.0.2.R342_v20090122-7r7xEKaEJBZu5oGhP3u6nOmbM9VK)    To: org.eclipse.rcp.feature.group [3.4.200.R342_v20090122-989JESTEbig-SVaL8UJHcYBr4A63]  Cannot satisfy dependency:    From: Eclipse Platform 3.4.2.R342_v20090122-9I96EiWElHi8lheoJKJIvhM3JfVsYbRrgVIWL (org.eclipse.platform.feature.group 3.4.2.R342_v20090122-9I96EiWElHi8lheoJKJIvhM3JfVsYbRrgVIWL)    To: org.eclipse.help.feature.group [1.0.2.R342_v20090122-7r7xEKaEJBZu5oGhP3u6nOmbM9VK]  Cannot satisfy dependency:    From: Eclipse Platform 3.7.0.v20110530-9gF7UHNFFt4cwE-pkZDJ7oz-mj4OSEIlu9SEv0f (org.eclipse.platform.feature.group 3.7.0.v20110530-9gF7UHNFFt4cwE-pkZDJ7oz-mj4OSEIlu9SEv0f)    To: org.eclipse.rcp.feature.group [3.7.0.v20110216-9DB5Fm1FpBGy_AaVz-mFamgY]  Cannot satisfy dependency:    From: Eclipse Platform 3.7.1.r37x_v20110729-9gF7UHOxFtniV7mI3T556iZN9AU8bEZ1lHMcVK (org.eclipse.platform.feature.group 3.7.1.r37x_v20110729-9gF7UHOxFtniV7mI3T556iZN9AU8bEZ1lHMcVK)    To: org.eclipse.rcp.feature.group [3.7.1.r37x_v20110729-9DB5FmNFnFLSFCtLxnRfMqt15A4A]  Cannot satisfy dependency:    From: Eclipse Platform 3.7.2.v20120207-1839-9gF7UHPDFxGjd-PqDr2jX_4yKaumkoHTz04_q-q (org.eclipse.platform.feature.group 3.7.2.v20120207-1839-9gF7UHPDFxGjd-PqDr2jX_4yKaumkoHTz04_q-q)    To: org.eclipse.rcp.feature.group [3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272]  Cannot satisfy dependency:    From: Eclipse RCP 3.4.200.R342_v20090122-989JESTEbig-SVaL8UJHcYBr4A63 (org.eclipse.rcp.feature.group 3.4.200.R342_v20090122-989JESTEbig-SVaL8UJHcYBr4A63)    To: org.eclipse.core.runtime [3.4.0.v20080512]  Cannot satisfy dependency:    From: Eclipse RCP 3.7.0.v20110216-9DB5Fm1FpBGy_AaVz-mFamgY (org.eclipse.rcp.feature.group 3.7.0.v20110216-9DB5Fm1FpBGy_AaVz-mFamgY)    To: com.ibm.icu [4.4.2.v20110208]  Cannot satisfy dependency:    From: Eclipse RCP 3.7.1.r37x_v20110729-9DB5FmNFnFLSFCtLxnRfMqt15A4A (org.eclipse.rcp.feature.group 3.7.1.r37x_v20110729-9DB5FmNFnFLSFCtLxnRfMqt15A4A)    To: com.ibm.icu [4.4.2.v20110208]  Cannot satisfy dependency:    From: Eclipse RCP 3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272 (org.eclipse.rcp.feature.group 3.7.2.v20120120-1424-9DB5FmnFq5JCf1UA38R-kz0S0272)    To: com.ibm.icu [4.4.2.v20110823]  Cannot satisfy dependency:    From: WST Common Core 3.0.4.v200811200248-7C7_EVNE_EkMNtRvY4V6o0 (org.eclipse.wst.common_core.feature.feature.group 3.0.4.v200811200248-7C7_EVNE_EkMNtRvY4V6o0)    To: org.eclipse.platform.feature.group [3.4.0,4.0.0)  Cannot satisfy dependency:    From: WST Common UI 3.0.4.v200811200248-7C78ELhE8VrRVqtHp4iT8PuSwZ5W (org.eclipse.wst.common_ui.feature.feature.group 3.0.4.v200811200248-7C78ELhE8VrRVqtHp4iT8PuSwZ5W)    To: org.eclipse.wst.common_core.feature.feature.group [3.0.4.v200811200248-7C7_EVNE_EkMNtRvY4V6o0]  Cannot satisfy dependency:    From: SSE DTD Source Editor 1.0.301.v200808072012 (org.eclipse.wst.dtd.ui 1.0.301.v200808072012)    To: bundle com.ibm.icu [3.8.1,4.0.0)  Cannot satisfy dependency:    From: Eclipse XML Editors and Tools 3.0.4.v200811211541-7F2ENnCwum8W79A1UYNgSjOcFVJg (org.eclipse.wst.xml_ui.feature.feature.group 3.0.4.v200811211541-7F2ENnCwum8W79A1UYNgSjOcFVJg)    To: org.eclipse.wst.common_ui.feature.feature.group [3.0.4.v200811200248-7C78ELhE8VrRVqtHp4iT8PuSwZ5W]  Cannot satisfy dependency:    From: Eclipse XML Editors and Tools 3.0.4.v200811211541-7F2ENnCwum8W79A1UYNgSjOcFVJg