>From the logs I've got one instance failing as described in my first comment and the other two failing during PeerSync recovery when trying to communicate with the server that was missing the segments_* files. The exception follows
org.apache.solr.client.solrj.SolrServerException: IOException occured when talking to server at: http://server:host/solr/core at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:566) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:210) at org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:206) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:157) at org.apache.solr.handler.component.HttpShardHandler$1.call(HttpShardHandler.java:119) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.http.client.ClientProtocolException at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:909) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:784) at org.apache.solr.client.solrj.impl.HttpSolrServer.executeMethod(HttpSolrServer.java:448) ... 10 more Caused by: org.apache.http.ProtocolException: Invalid header: ,code=500} at org.apache.http.impl.io.AbstractMessageParser.parseHeaders(AbstractMessageParser.java:232) at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:267) at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283) at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:252) at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:191) at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:271) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:123) at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:713) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:518) at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) ... 13 more -- View this message in context: http://lucene.472066.n3.nabble.com/Index-directory-containing-only-segments-gen-tp4186045p4186113.html Sent from the Solr - User mailing list archive at Nabble.com.
