org.eclipse.core.runtime.CoreException: Operation details
	at org.eclipse.mylyn.internal.discovery.ui.PrepareInstallProfileJob_e_3_6.resolveInstall(PrepareInstallProfileJob_e_3_6.java:198)
	at org.eclipse.mylyn.internal.discovery.ui.PrepareInstallProfileJob_e_3_6.run(PrepareInstallProfileJob_e_3_6.java:99)
	at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Contains: Your original request has been modified.
Contains: "JBossAS Tools" is already installed, so an update will be performed instead.
Contains: "m2e-wtp - Maven Integration for WTP (Incubation)" is already present because other installed software requires it.  It will be added to the installed software list.
Contains: "m2e - Maven Integration for Eclipse" is already present because other installed software requires it.  It will be added to the installed software list.
Contains: Cannot complete the install because of a conflicting dependency.
Contains: Software being installed: JBossAS Tools 2.4.100.Alpha2-v20130416-1810-B54 (org.jboss.ide.eclipse.as.feature.feature.group 2.4.100.Alpha2-v20130416-1810-B54)
Contains: Software currently installed: JBoss Developer Studio (Branded Product) 7.0.0.Alpha2-v20130415-1444-B156 (com.jboss.jbds.all 7.0.0.Alpha2-v20130415-1444-B156)
Contains: Only one of the following can be installed at once: 
Contains: JBossAS Tools Server / Compression Integration 2.4.100.Alpha2-v20130416-1810-B54 (org.jboss.ide.eclipse.archives.webtools 2.4.100.Alpha2-v20130416-1810-B54)
Contains: JBossAS Tools Server / Compression Integration 2.4.100.Alpha2-v20130407-1559-B48 (org.jboss.ide.eclipse.archives.webtools 2.4.100.Alpha2-v20130407-1559-B48)
Contains: Cannot satisfy dependency:
Contains: From: JBoss Developer Studio (Branded Product) 7.0.0.Alpha2-v20130415-1444-B156 (com.jboss.jbds.all 7.0.0.Alpha2-v20130415-1444-B156)
Contains: To: com.jboss.jbds.product.feature.feature.group [7.0.0.Alpha2-v20130415-1444-B156]
Contains: Cannot satisfy dependency:
Contains: From: JBoss Developer Studio (Core Features) 7.0.0.Alpha2-v20130415-1444-B156 (com.jboss.jbds.product.feature.feature.group 7.0.0.Alpha2-v20130415-1444-B156)
Contains: To: org.jboss.ide.eclipse.as.feature.feature.group [2.4.100.Alpha2-v20130407-1559-B48]
Contains: Cannot satisfy dependency:
Contains: From: JBossAS Tools Server / Compression Integration 2.4.100.Alpha2-v20130407-1559-B48 (org.jboss.ide.eclipse.as.archives.integration.feature.feature.group 2.4.100.Alpha2-v20130407-1559-B48)
Contains: To: org.jboss.ide.eclipse.archives.webtools [2.4.100.Alpha2-v20130407-1559-B48]
Contains: Cannot satisfy dependency:
Contains: From: JBossAS Tools Server / Compression Integration 2.4.100.Alpha2-v20130416-1810-B54 (org.jboss.ide.eclipse.as.archives.integration.feature.feature.group 2.4.100.Alpha2-v20130416-1810-B54)
Contains: To: org.jboss.ide.eclipse.archives.webtools [2.4.100.Alpha2-v20130416-1810-B54]
Contains: Cannot satisfy dependency:
Contains: From: JBossAS Tools 2.4.100.Alpha2-v20130407-1559-B48 (org.jboss.ide.eclipse.as.feature.feature.group 2.4.100.Alpha2-v20130407-1559-B48)
Contains: To: org.jboss.ide.eclipse.as.archives.integration.feature.feature.group [2.4.100.Alpha2-v20130407-1559-B48]
Contains: Cannot satisfy dependency:
Contains: From: JBossAS Tools 2.4.100.Alpha2-v20130416-1810-B54 (org.jboss.ide.eclipse.as.feature.feature.group 2.4.100.Alpha2-v20130416-1810-B54)
Contains: To: org.jboss.ide.eclipse.as.archives.integration.feature.feature.group [2.4.100.Alpha2-v20130416-1810-B54]

cat eclipse/jbdevstudio-7.0.0.Alpha2a/studio/jbdevstudio.ini 
-vm
/usr/java/jre1.7.0_10/bin/java
-startup
plugins/org.eclipse.equinox.launcher_1.3.0.v20130225-1645.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.200.v20130228-0336
-product
com.jboss.jbds.product.product
-showsplash
platform\:/base/plugins/com.jboss.jbds.product
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Djboss.discovery.directory.url=http://www.qa.jboss.com/binaries/RHDS/discovery/development/7.0.0.Alpha2a/devstudio-directory.xml
-Djboss.discovery.site.url=http://www.qa.jboss.com/binaries/RHDS/discovery/development/7.0.0.Alpha2a/
-Xms512m
-Xmx1024m
-Dosgi.instance.area.default=@user.home/workspace