I agree, but that's the only information that was returned from the interface. I had a look through the logs and there isn't a deeper stack trace, but I noticed these errors directly before that exception that might be helpful:
ERROR - 2014-01-06 16:23:12.426; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 1 ERROR - 2014-01-06 16:23:12.926; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 2 ERROR - 2014-01-06 16:23:16.765; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 3 ERROR - 2014-01-06 16:23:17.385; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 4 ERROR - 2014-01-06 16:23:18.331; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 5 ERROR - 2014-01-06 16:23:18.945; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 6 ERROR - 2014-01-06 16:23:19.561; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 7 ERROR - 2014-01-06 16:23:20.173; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 8 ERROR - 2014-01-06 16:23:20.805; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 9 ERROR - 2014-01-06 16:23:21.631; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 10 ERROR - 2014-01-06 16:23:22.202; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 11 ERROR - 2014-01-06 16:23:22.811; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 12 ERROR - 2014-01-06 16:23:23.588; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 13 ERROR - 2014-01-06 16:23:24.197; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 14 ERROR - 2014-01-06 16:23:24.779; org.apache.solr.common.SolrException; forwarding update to http://10.0.0.5:8443/solr/collection1/ failed - retrying ... retries: 15 ERROR - 2014-01-06 16:23:25.990; org.apache.solr.update.StreamingSolrServers$1; error org.apache.solr.common.SolrException: Server Error request: http://10.0.0.5:8443/solr/collection1/update?update.distrib=TOLEADER&distrib.from=http%3A%2F%2F10.0.0.229%3A8443%2Fsolr%2Fcollection1%2F&wt=javabin&version=2 at org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer$Runner.run(ConcurrentUpdateSolrServer.java:240) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) -- View this message in context: http://lucene.472066.n3.nabble.com/Seemingly-arbitrary-error-on-document-adds-to-SolrCloud-Server-Error-request-http-10-0-0-5-8443-solr-tp4109864p4109994.html Sent from the Solr - User mailing list archive at Nabble.com.
