Hi, I am using Solrj for indexing and indexing is being done in batches with different threads. There is no heavy load on solr server memory/CPU. I am getting the following timeout exceptions multiple times during indexing.
*Solr Version* : Solr - 8.11.0 *Part of Exception:* org.apache.solr.client.solrj.impl.CloudSolrClient$RouteException: Timeout occurred while waiting response from server at: http://host:port/solr/core at org.apache.solr.client.solrj.impl.CloudSolrClient.getRouteException(CloudSolrClient.java:125) at org.apache.solr.client.solrj.impl.CloudSolrClient.getRouteException(CloudSolrClient.java:46) at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.directUpdate(BaseCloudSolrClient.java:581) at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.sendRequest(BaseCloudSolrClient.java:1076) at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.requestWithRetryOnStaleState(BaseCloudSolrClient.java:934) at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.request(BaseCloudSolrClient.java:866) at org.apache.solr.client.solrj.SolrRequest.process(SolrRequest.java:214) at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:106) at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:71) at org.apache.solr.client.solrj.SolrClient.add(SolrClient.java:85) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.solr.client.solrj.SolrServerException: Timeout occurred while waiting response from server at: http://host:port/solr/core at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:692) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:266) at org.apache.solr.client.solrj.impl.HttpSolrClient.request(HttpSolrClient.java:248) at org.apache.solr.client.solrj.impl.LBSolrClient.doRequest(LBSolrClient.java:369) at org.apache.solr.client.solrj.impl.LBSolrClient.request(LBSolrClient.java:297) at org.apache.solr.client.solrj.impl.BaseCloudSolrClient.lambda$directUpdate$0(BaseCloudSolrClient.java:555) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:218) ... 3 more Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.socketRead(SocketInputStream.java:116) at java.net.SocketInputStream.read(SocketInputStream.java:171) at java.net.SocketInputStream.read(SocketInputStream.java:141) at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137) at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153) at org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:280) at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138) at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56) at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259) at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163) at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157) at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273) at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.apache.solr.client.solrj.impl.HttpSolrClient.executeMethod(HttpSolrClient.java:571) ... 10 more I have tried increasing the zookeeper timeout, socketTimeout and connTimeout in the indexer code as well as solr cofiguration files. It has not resolved the issue. Please provide your suggestions. Thanks, Modassar
