We upgraded recently to Solr 4.10.2 from 4.2.1 and have been seeing errors regarding the dreaded broken pipe when doing our reindexing of all our content.
Specifically: ERROR - 2015-04-13 17:09:12.310; org.apache.solr.update.StreamingSolrServers$1; error java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at org.apache.http.impl.io.AbstractSessionOutputBuffer.write(AbstractSessionOutputBuffer.java:181) at org.apache.http.impl.io.ChunkedOutputStream.flushCacheWithAppend(ChunkedOutputStream.java:124) at org.apache.http.impl.io.ChunkedOutputStream.write(ChunkedOutputStream.java:181) at org.apache.solr.common.util.FastOutputStream.flush(FastOutputStream.java:214) at org.apache.solr.common.util.FastOutputStream.write(FastOutputStream.java:84) at org.apache.solr.common.util.JavaBinCodec.writeStr(JavaBinCodec.java:586) at org.apache.solr.common.util.JavaBinCodec.writePrimitive(JavaBinCodec.java:661) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:240) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:424) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:274) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeMapEntry(JavaBinCodec.java:509) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:294) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:450) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:282) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeNamedList(JavaBinCodec.java:148) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:242) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:96) at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.marshal(JavaBinUpdateRequestCodec.java:83) at org.apache.solr.client.solrj.impl.BinaryRequestWriter.write(BinaryRequestWriter.java:108) at org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer$Runner$1.writeTo(ConcurrentUpdateSolrServer.java:186) at org.apache.http.entity.EntityTemplate.writeTo(EntityTemplate.java:69) at org.apache.http.entity.HttpEntityWrapper.writeTo(HttpEntityWrapper.java:89) at org.apache.http.impl.client.EntityEnclosingRequestWrapper$EntityWrapper.writeTo(EntityEnclosingRequestWrapper.java:108) at org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:117) at org.apache.http.impl.AbstractHttpClientConnection.sendRequestEntity(AbstractHttpClientConnection.java:265) at org.apache.http.impl.conn.ManagedClientConnectionImpl.sendRequestEntity(ManagedClientConnectionImpl.java:203) at org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:236) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486) at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57) at org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer$Runner.run(ConcurrentUpdateSolrServer.java:233) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) which in turn leads to: WARN - 2015-04-13 17:09:53.586; org.apache.solr.update.processor.DistributedUpdateProcessor; Error sending update java.net.SocketException: Broken pipe at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109) at java.net.SocketOutputStream.write(SocketOutputStream.java:153) at org.apache.http.impl.io.AbstractSessionOutputBuffer.write(AbstractSessionOutputBuffer.java:181) at org.apache.http.impl.io.ChunkedOutputStream.flushCacheWithAppend(ChunkedOutputStream.java:124) at org.apache.http.impl.io.ChunkedOutputStream.write(ChunkedOutputStream.java:181) at org.apache.solr.common.util.FastOutputStream.flush(FastOutputStream.java:214) at org.apache.solr.common.util.FastOutputStream.write(FastOutputStream.java:84) at org.apache.solr.common.util.JavaBinCodec.writeStr(JavaBinCodec.java:586) at org.apache.solr.common.util.JavaBinCodec.writePrimitive(JavaBinCodec.java:661) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:240) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeSolrInputDocument(JavaBinCodec.java:424) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:274) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeMapEntry(JavaBinCodec.java:509) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:294) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeIterator(JavaBinCodec.java:450) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:282) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.writeNamedList(JavaBinCodec.java:148) at org.apache.solr.common.util.JavaBinCodec.writeKnownType(JavaBinCodec.java:242) at org.apache.solr.common.util.JavaBinCodec.writeVal(JavaBinCodec.java:153) at org.apache.solr.common.util.JavaBinCodec.marshal(JavaBinCodec.java:96) at org.apache.solr.client.solrj.request.JavaBinUpdateRequestCodec.marshal(JavaBinUpdateRequestCodec.java:83) at org.apache.solr.client.solrj.impl.BinaryRequestWriter.write(BinaryRequestWriter.java:108) at org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer$Runner$1.writeTo(ConcurrentUpdateSolrServer.java:186) at org.apache.http.entity.EntityTemplate.writeTo(EntityTemplate.java:69) at org.apache.http.entity.HttpEntityWrapper.writeTo(HttpEntityWrapper.java:89) at org.apache.http.impl.client.EntityEnclosingRequestWrapper$EntityWrapper.writeTo(EntityEnclosingRequestWrapper.java:108) at org.apache.http.impl.entity.EntitySerializer.serialize(EntitySerializer.java:117) at org.apache.http.impl.AbstractHttpClientConnection.sendRequestEntity(AbstractHttpClientConnection.java:265) at org.apache.http.impl.conn.ManagedClientConnectionImpl.sendRequestEntity(ManagedClientConnectionImpl.java:203) at org.apache.http.protocol.HttpRequestExecutor.doSendRequest(HttpRequestExecutor.java:236) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:121) at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:682) at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:486) at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57) at org.apache.solr.client.solrj.impl.ConcurrentUpdateSolrServer$Runner.run(ConcurrentUpdateSolrServer.java:233) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) and then these: WARN - 2015-04-13 17:09:53.612; org.apache.solr.cloud.ZkController; Leader is publishing core=index coreNodeName =node3 state=down on behalf of un-reachable replica http://<ip>:8080/solr/index/; forcePublishState? false ERROR - 2015-04-13 17:09:53.622; org.apache.solr.update.processor.DistributedUpdateProcessor; Setting up to try to start recovery on replica http://<ip>:8080/solr/index/ after: java.net.SocketExcept ion: Broken pipe -- View this message in context: http://lucene.472066.n3.nabble.com/Java-net-socketexception-broken-pipe-Solr-4-10-2-tp4199484.html Sent from the Solr - User mailing list archive at Nabble.com.