jcr plugin

Hello all,

I have tried to browse the jcr nuxeo repository with Eclipse JCR Browser
0.9.2 but when I click login I obtain:

"It was not possibleto login. check your creddential"

and in the details

"configured bean implementation class
org.nuxeo.ecm.core.jcr.search.jrplug.AdvSearchIndex was not found"

anyone have an idea what is my problem? I think that I need to set the
classpath for the plugin but how?

Many thanks,
Marco