Cannot get Visual Editor to install on Eclipse

Question

I am getting this error:

    An error occurred while collecting items to be installed
  session context was:(profile=SDKProfile, phase=org.eclipse.equinox.internal.provisional.p2.engine.phases.Collect, operand=, action=).
  Artifact not found: osgi.bundle,org.eclipse.jem,2.0.300.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem_2.0.300.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.beaninfo,2.0.300.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.beaninfo_2.0.300.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.beaninfo.vm,2.0.200.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.beaninfo.vm_2.0.200.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.beaninfo.vm.common,2.0.201.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.beaninfo.vm.common_2.0.201.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.proxy,2.0.201.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.proxy_2.0.201.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.source,1.4.0.v20090826-1446-7H-FPbAcggQleH8hJifHfUd.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.source_1.4.0.v20090826-1446-7H-FPbAcggQleH8hJifHfUd.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.ui,2.0.100.R3_0_4.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.ui_2.0.100.R3_0_4.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.util,2.0.200.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.util_2.0.200.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.jem.workbench,2.0.201.R3_1_maintenance.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.jem.workbench_2.0.201.R3_1_maintenance.jar
  Artifact not found: osgi.bundle,org.eclipse.ve,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.cde,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.cde_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.doc,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.doc_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.java.core,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.java.core_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.propertysheet,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.propertysheet_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.sdk,1.4.0.v20090826-1446.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.sdk_1.4.0.v20090826-1446.jar
  Artifact not found: osgi.bundle,org.eclipse.ve.source,1.4.0.v20090826-1446-777N-CcNBC0BwNk5HZZk.
  http://download.eclipse.org/tools/ve/updates/1.4/plugins/org.eclipse.ve.source_1.4.0.v20090826-1446-777N-CcNBC0BwNk5HZZk.jar

Answer 1

I would recommend a VE (Visual Editor) installation on a fresh eclipse3.5 setup, with a clean empty workspace, to be sure.
(Or at least remove the directories "org.eclipse.jem.beaninfo" et "org.eclipse.ve.java.core" from "<workspace>/.metadata/.plugins".

Download the all-in-one update site (zip file), unzip it and then reference it as an Update site in the "Available Software Site" preference page.
From there the installation should be able to proceed successfully.

Answer 2

Try downloading & installing this plugin from Soyatec ... http://www.soyatec.org/update/Ganymede/org.eclipse.ve_1.4.0.v20080528.zip