Hi, You mixed incompatible jar file versions of Lucene 4.0 modules. Try to recompile everything from source.
Uwe -- Uwe Schindler H.-H.-Meier-Allee 63, 28213 Bremen http://www.thetaphi.de Stephen Howe <silentgun...@gmail.com> schrieb: I've been playing around with Lucene's MemoryIndex and anytime I try to use index.addField(String, String, Analyzer), I receive: java.lang.NoSuchMethodError: org.apache.lucene.util.BytesRef.deepCopyOf(Lorg/apache/lucene/util/BytesRef;)Lorg/apache/lucene/util/BytesRef; anytime I make a call to it. I've tried inserting string literals and string objects and it's not taking anything. Digging around in the source code, I narrowed it down to this call in MemoryIndex: terms.put(BytesRef.deepCopyOf(ref), positions); and ref is not null. I've also debugged BytesRef.deepCopyOf command and it is working fine. Any thoughts? Thanks! Stephen