By now I'm pretty much sure that this is either a bug in solr or in http-client.
I again reproduced the problem: 1. during massive indexing we see some WARNINGS from HttpParser: "badMessage: java.lang.IllegalStateException: too much data after closed for HttpChannelOverHttp" checking in httpcore code it seems that this happens when the connection closes abruptly. 2. only at some instances of this warning, we see a related NoHttpResponseException from solr node. 3. after indexing we perform a full data validation and see that around 200 docs that our client got http 200 status for them, are not present in solr. 4. checking when these docs were sent to solr we get to the same time that we had log messages from 1 and 2 (HttpChannelOverHttp warning and NoHttpResponseException ) 5. these 200 docs are divided into around 8 bulks that were sent in various times, and all had these warn/error messages around them. Would be glad to have some inputs from the community on this. Thanks. -- View this message in context: http://lucene.472066.n3.nabble.com/serious-data-loss-bug-in-correlation-with-too-much-data-after-closed-tp4220723p4221986.html Sent from the Solr - User mailing list archive at Nabble.com.