Error message is:

An error occurred while collecting items to be installed
session context was:(profile=profile, phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action=).
Artifact osgi.bundle,org.jboss.tools.modeshape.rest,1.1.0.v20101225-2203-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact osgi.bundle,org.teiid.designer.help,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.
Artifact osgi.bundle,org.teiid.designer.sdt,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.
Artifact osgi.bundle,teiid_embedded_query,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.drools.eclipse.feature,5.2.0.v20101226-0040-H126-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.drools.eclipse.task.feature,5.2.0.v20101226-0040-H126-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.guvnor.tools.feature,5.2.0.v20101226-0040-H126-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.jbpm.common.feature,4.4.0.v20101225-2210-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.jbpm.convert.feature,1.0.0.v20101225-2210-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.jbpm3.feature,3.2.0.v20101225-2210-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.jmx.feature,1.1.0.v20101226-0033-H37-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.modeshape.rest.feature,1.0.0.v20101225-2203-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.portlet.feature,1.1.0.v20101223-0612-H4-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.runtime.feature,1.1.0.v20101223-0615-H4-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jboss.tools.smooks.feature,1.1.0.v20101223-0631-H6-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.jbpm.gd.jpdl.feature,3.2.0.v20101225-2210-H18-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.teiid.datatools.connectivity.feature,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.teiid.designer.feature,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.
Artifact org.eclipse.update.feature,org.teiid.designer.runtime.feature,7.1.0.v20101226-0041-H34-CR1 is a folder but the repository is an archive or remote location.