I am using a fresh install of Eclipse Version: 3.1.1 Build id: M20050929-0840 Here is an example of the exception i get when intalling the site: !ENTRY org.eclipse.update.core 4 0 2006-07-19 09:39:22.292 | !MESSAGE Unable to retrieve remote reference "jar:file:J:/17050_Information_Technology_Application_Development/17050_4_Application_Development_Tools/jbpm/jbpm-gpd-site-3.0.11.zip!/plugins/org.eclipse.jem.util_1.2.0.v20060530-RC2.jar". [JAR entry plugins/org.eclipse.jem.util_1.2.0.v20060530-RC2.jar not found in J:\17050_Information_Technology_Application_Development\17050_4_Application_Development_Tools\jbpm\jbpm-gpd-site-3.0.11.zip] | !STACK 0 | java.io.FileNotFoundException: JAR entry plugins/org.eclipse.jem.util_1.2.0.v20060530-RC2.jar not found in J:\17050_Information_Technology_Application_Development\17050_4_Application_Development_Tools\jbpm\jbpm-gpd-site-3.0.11.zip | at sun.net.www.protocol.jar.JarURLConnection.connect(Unknown Source) | at sun.net.www.protocol.jar.JarURLConnection.getInputStream(Unknown Source) | at org.eclipse.update.internal.core.OtherResponse.getInputStream(OtherResponse.java:34) | at org.eclipse.update.core.ContentReference.getInputStream(ContentReference.java:146) | at org.eclipse.update.core.FeatureContentProvider.asLocalReference(FeatureContentProvider.java:250) | at org.eclipse.update.internal.core.FeaturePackagedContentProvider.getPluginEntryArchiveReferences(FeaturePackagedContentProvider.java:165) | at org.eclipse.update.internal.operations.UpdateUtils.downloadFeatureContent(UpdateUtils.java:627) | at org.eclipse.update.internal.ui.wizards.InstallWizard2.download(InstallWizard2.java:405) | at org.eclipse.update.internal.ui.wizards.InstallWizard2.access$3(InstallWizard2.java:394) | at org.eclipse.update.internal.ui.wizards.InstallWizard2$4.run(InstallWizard2.java:350) | at org.eclipse.core.internal.jobs.Worker.run(Worker.java:76) As you can see it's looking for the file with the "-RC2" but in the zip file the file has "_RC2" View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3959261#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...