OLR-4361
> >
> > Until there is a fix, here are two workarounds:
> >
> > 1. If you do not need any 4.1 DIH functionality, use the 4.0 DIH jar
> with your 4.1 Solr.
> > -or-
> > 2. Use request parameters without dots: ex. "solrBceDSDriver" instead
> of
Hello,
I've just tried to upgrade from 4.0 to 4.1 and I have the following
exception when reindexing my data:
Caused by: java.lang.UnsupportedOperationException
at java.util.Collections$UnmodifiableMap.put(Collections.java:1283)
at
org.apache.solr.handler.dataimport.VariableResolver.currentLevel
