I ran Golipse but it appears the plugins were not installed. The last few lines in the Golipse window say
I checked the log file and it had lots of errors about NoClassDefFound HttpClient (see below).
$ cat /Users/tim/Applications/eclipse/configuration/1321835310888.log
!SESSION 2011-11-21 10:28:30.638 -----------------------------------------------
eclipse.buildId=M20110909-1335
java.version=1.6.0_26
java.vendor=Apple Inc.
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US
Framework arguments: -application org.eclipse.equinox.p2.director -d /Users/tim/Applications/eclipse -p SDKProfile -profileproperties org.eclipse.update.install.features=true -followReferences -r http://download.eclipse.org/releases/helios,http://dist.springsource.org/release/GRECLIPSE/e3.6,http://webobjects.mdimension.com/jadclipse/3.6,http://webobjects.mdimension.com/jprofiler6,http://www.zeroturnaround.com/update-site,http://m2eclipse.sonatype.org/sites/m2e,http://webobjects.mdimension.com/hudson/job/WOLips37Current/lastSuccessfulBuild/artifact/site,http://workspacemechanic.eclipselabs.org.codespot.com/git.update/mechanic,http://download.eclipse.org/technology/subversive/0.7/update-site,http://community.polarion.com/projects/subversive/download/eclipse/2.0/update-site -i org.eclipse.team.svn.resource.ignore.rules.jdt.feature.group,org.eclipse.buckminster.subversive.feature.feature.group,org.eclipse.mylyn_feature.feature.group,net.sf.jadclipse.feature.group,com.jprofiler.integrations.eclipse.feature.group,org.zeroturnaround.eclipse.feature.feature.group,org.zeroturnaround.eclipse.debug.feature.feature.group,org.maven.ide.eclipse.feature.feature.group,org.objectstyle.wolips.feature.feature.group,org.objectstyle.wolips.goodies.feature.feature.group,org.objectstyle.wolips.jprofiler.feature.feature.group,org.objectstyle.wolips.jrebel.feature.feature.group,com.google.eclipse.mechanic.feature.group,org.polarion.eclipse.team.svn.connector.javahl16.feature.group,org.polarion.eclipse.team.svn.connector.svnkit16.feature.group,org.polarion.eclipse.team.svn.connector.feature.group,org.eclipse.egit.feature.group,org.eclipse.jgit.feature.group Command-line arguments: -os macosx -ws cocoa -arch x86_64 -application org.eclipse.equinox.p2.director -d /Users/tim/Applications/eclipse -p SDKProfile -profileproperties org.eclipse.update.install.features=true -followReferences -r http://download.eclipse.org/releases/helios,http://dist.springsource.org/release/GRECLIPSE/e3.6,http://webobjects.mdimension.com/jadclipse/3.6,http://webobjects.mdimension.com/jprofiler6,http://www.zeroturnaround.com/update-site,http://m2eclipse.sonatype.org/sites/m2e,http://webobjects.mdimension.com/hudson/job/WOLips37Current/lastSuccessfulBuild/artifact/site,http://workspacemechanic.eclipselabs.org.codespot.com/git.update/mechanic,http://download.eclipse.org/technology/subversive/0.7/update-site,http://community.polarion.com/projects/subversive/download/eclipse/2.0/update-site -i org.eclipse.team.svn.resource.ignore.rules.jdt.feature.group,org.eclipse.buckminster.subversive.feature.feature.group,org.eclipse.mylyn_feature.feature.group,net.sf.jadclipse.feature.group,com.jprofiler.integrations.eclipse.feature.group,org.zeroturnaround.eclipse.feature.feature.group,org.zeroturnaround.eclipse.debug.feature.feature.group,org.maven.ide.eclipse.feature.feature.group,org.objectstyle.wolips.feature.feature.group,org.objectstyle.wolips.goodies.feature.feature.group,org.objectstyle.wolips.jprofiler.feature.feature.group,org.objectstyle.wolips.jrebel.feature.feature.group,com.google.eclipse.mechanic.feature.group,org.polarion.eclipse.team.svn.connector.javahl16.feature.group,org.polarion.eclipse.team.svn.connector.svnkit16.feature.group,org.polarion.eclipse.team.svn.connector.feature.group,org.eclipse.egit.feature.group,org.eclipse.jgit.feature.group
!ENTRY org.eclipse.equinox.p2.artifact.repository 4 0 2011-11-21 10:28:36.895
!MESSAGE Unexpected error loading extension: org.eclipse.equinox.p2.artifact.repository.simpleRepository
!STACK 0
java.lang.NoClassDefFoundError: Could not initialize class org.apache.commons.httpclient.HttpClient
at org.eclipse.ecf.provider.filetransfer.httpclient.HttpClientBrowseFileTransferFactory$1.sendBrowseRequest(HttpClientBrowseFileTransferFactory.java:53)
at org.eclipse.ecf.provider.filetransfer.browse.MultiProtocolFileSystemBrowserAdapter.sendBrowseRequest(MultiProtocolFileSystemBrowserAdapter.java:95)
at org.eclipse.equinox.internal.p2.transport.ecf.FileInfoReader.sendBrowseRequest(FileInfoReader.java:186)
at org.eclipse.equinox.internal.p2.transport.ecf.FileInfoReader.getRemoteFiles(FileInfoReader.java:112)
at org.eclipse.equinox.internal.p2.transport.ecf.FileInfoReader.getRemoteFile(FileInfoReader.java:128)
at org.eclipse.equinox.internal.p2.transport.ecf.FileInfoReader.getLastModified(FileInfoReader.java:133)
at org.eclipse.equinox.internal.p2.transport.ecf.RepositoryTransport.getLastModified(RepositoryTransport.java:203)
at org.eclipse.equinox.internal.p2.repository.CacheManager.createCache(CacheManager.java:134)
at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepositoryFactory.getLocalFile(SimpleArtifactRepositoryFactory.java:65)
at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepositoryFactory.load(SimpleArtifactRepositoryFactory.java:88)
at org.eclipse.equinox.internal.p2.artifact.repository.simple.SimpleArtifactRepositoryFactory.load(SimpleArtifactRepositoryFactory.java:76)
at org.eclipse.equinox.internal.p2.artifact.repository.ArtifactRepositoryManager.factoryLoad(ArtifactRepositoryManager.java:69)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:749)
at org.eclipse.equinox.internal.p2.repository.helpers.AbstractRepositoryManager.loadRepository(AbstractRepositoryManager.java:651)
at org.eclipse.equinox.internal.p2.artifact.repository.ArtifactRepositoryManager.loadRepository(ArtifactRepositoryManager.java:100)
at org.eclipse.equinox.internal.p2.artifact.repository.ArtifactRepositoryManager.loadRepository(ArtifactRepositoryManager.java:96)
at org.eclipse.equinox.internal.p2.director.app.DirectorApplication.initializeRepositories(DirectorApplication.java:511)
at org.eclipse.equinox.internal.p2.director.app.DirectorApplication.run(DirectorApplication.java:974)
at org.eclipse.equinox.internal.p2.director.app.DirectorApplication.start(DirectorApplication.java:1160)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)