Documents from couchdb river aren't deleted

Hello,

After deleting a document in couchdb I got the following messages in elastic search logfile. It looks like the document is deleted but it remains in the index.

Has anybody an idea?

tom

[2012-03-19 16:41:44,352][TRACE][river.couchdb ] [Lorvex] [couchdb][cm8_river] [couchdb] {"seq":271963,"id":"2329616,de_DE","changes":[{"rev":"4-ae8660826e9706e0965039eb7365fbed"}],"deleted":true,"doc":{"_id":"2329616,de_DE","_rev":"4-ae8660826e9706e0965039eb7365fbed","_deleted":true}}
[2012-03-19 16:41:44,353][TRACE][river.couchdb ] [Lorvex] [couchdb][cm8_river] processing [delete]: [cm8]/[cm1]/[2329616,de_DE]
[2012-03-19 16:41:45,353][TRACE][river.couchdb ] [Lorvex] [couchdb][cm8_river] processing [_seq ]: [_river]/[cm8_river]/[_seq], last_seq [271963]
[2012-03-19 16:41:45,354][TRACE][index.shard.service ] [Lorvex] [_river][0] index [Document<stored,binary,omitNorms,indexOptions=DOCS_ONLY<_source:[B@1262f7c> indexed,omitNorms,indexOptions=DOCS_ONLY<_type:cm8_river> stored,indexed,tokenized,omitNorms<_uid:> indexed,tokenized<couchdb.last_seq:271963> indexed,tokenized<_all:>>]
[2012-03-19 16:41:45,356][TRACE][index.shard.service ] [Lorvex] [cm8][0] delete [cm1#2329616,de_DE]
[2012-03-19 16:41:46,109][TRACE][index.shard.service ] [Lorvex] [cm8][0] refresh with waitForOperations[false]