loader constraint violation in Cordova

central > software/update > JBoss Hybrid Mobile Tools + Cordovasim > install; restart
Help > install > /path/to/thym/repository/target/repository
Help > check for updates > install new thym stuff > restart 
click 'hybrid mobile project' quickstart

Error retrieving the Cordova plug-in registry catalog
loader constraint violation: when resolving method 
"org.apache.http.impl.client.cache.CachingHttpClient.<init>(Lorg/apache/http/client/HttpClient;
Lorg/apache/http/client/cache/ResourceFactory;Lorg/apache/http/client/cache/HttpCacheStorage;
Lorg/apache/http/impl/client/cache/CacheConfig;)V" 
the class loader (instance of org/eclipse/osgi/internal/loader/EquinoxClassLoader) of the current class, 
org/eclipse/thym/core/plugin/registry/CordovaPluginRegistryManager, and the class loader (instance of 
org/eclipse/osgi/internal/loader/EquinoxClassLoader) for the method's defining class, 
org/apache/http/impl/client/cache/CachingHttpClient, have different Class objects for the type 
org/apache/http/client/HttpClient used in the signature