I have setup two solr cloud instances in two different Datacenters Target solr cloud machine is copy of source machine with basicAuth enabled on them. I am unable to see any replication on target.
Solr Version :6.6.3 I have done config changes as suggested on https://lucene.apache.org/solr/guide/6_6/cross-data-center-replication-cdcr.html Source Config Changes <?xml version="1.0" encoding="UTF-8" ?> <config> ... <requestHandler name="/cdcr" class="solr.CdcrRequestHandler"> <lst name="replica"> <str name="zkHost">serverIP:2181,serverIP:2182,serverIP:2183</str> <str name="source">sitecore_master_index</str> <str name="target">sitecore_master_index</str> </lst> <lst name="replicator"> <str name="threadPoolSize">8</str> <str name="schedule">1000</str> <str name="batchSize">128</str> </lst> <lst name="updateLogSynchronizer"> <str name="schedule">1000</str> </lst> </requestHandler> <updateHandler class="solr.DirectUpdateHandler2"> <updateLog class="solr.CdcrUpdateLog"> <str name="dir">${solr.ulog.dir:}</str> <int name="numVersionBuckets">${solr.ulog.numVersionBuckets:65536}</int> </updateLog> <autoCommit> <maxTime>${solr.autoCommit.maxTime:15000}</maxTime> <openSearcher>false</openSearcher> </autoCommit> <autoSoftCommit> <maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime> </autoSoftCommit> </updateHandler> ... </config> Target Config Changes <?xml version="1.0" encoding="UTF-8" ?> <config> ... <requestHandler name="/cdcr" class="solr.CdcrRequestHandler"> <lst name="buffer"> <str name="defaultState">disabled</str> </lst> </requestHandler> <updateRequestProcessorChain name="cdcr-proc-chain"> <processor class="solr.CdcrUpdateProcessorFactory"/> <processor class="solr.RunUpdateProcessorFactory"/> </updateRequestProcessorChain> <requestHandler name="/update" class="solr.UpdateRequestHandler"> <lst name="defaults"> <str name="update.chain">cdcr-proc-chain</str> </lst> </requestHandler> <updateHandler class="solr.DirectUpdateHandler2"> <updateLog class="solr.CdcrUpdateLog"> <str name="dir">${solr.ulog.dir:}</str> <int name="numVersionBuckets">${solr.ulog.numVersionBuckets:65536}</int> </updateLog> <autoCommit> <maxTime>${solr.autoCommit.maxTime:15000}</maxTime> <openSearcher>false</openSearcher> </autoCommit> <autoSoftCommit> <maxTime>${solr.autoSoftCommit.maxTime:-1}</maxTime> </autoSoftCommit> </updateHandler> ... </config> Below are logs from Source target. ERROR (zkCallback-4-thread-2-processing-n:sourceIP:8983_solr) [ ] o.a.s.c.s.i.CloudSolrClient Request to collection collection1 failed due to (510) org.apache.solr.common.SolrException: Could not find a healthy node to handle the request., retry? 5 2018-09-07 10:36:14.295 WARN (zkCallback-4-thread-2-processing-n:sourceIP:8983_solr) [ ] o.a.s.h.CdcrReplicatorManager Unable to instantiate the log reader for target collection collection1 org.apache.solr.common.SolrException: Could not find a healthy node to handle the request. at org.apache.solr.client.solrj.impl.CloudSolrClient.sendRequest(CloudSolrClient.java:1377) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1134) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1237) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1237) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1237) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1237) at org.apache.solr.client.solrj.impl.CloudSolrClient.requestWithRetryOnStaleState(CloudSolrClient.java:1237) at org.apache.solr.client.solrj.impl.CloudSolrClient.request(CloudSolrClient.java:1073) at org.apache.solr.client.solrj.SolrClient.request(SolrClient.java:1219) at org.apache.solr.handler.CdcrReplicatorManager.getCheckpoint(CdcrReplicatorManager.java:196) at org.apache.solr.handler.CdcrReplicatorManager.initLogReaders(CdcrReplicatorManager.java:159) at org.apache.solr.handler.CdcrReplicatorManager.stateUpdate(CdcrReplicatorManager.java:134) at org.apache.solr.handler.CdcrStateManager.callback(CdcrStateManager.java:36) at org.apache.solr.handler.CdcrLeaderStateManager.setAmILeader(CdcrLeaderStateManager.java:108) at org.apache.solr.handler.CdcrLeaderStateManager.checkIfIAmLeader(CdcrLeaderStateManager.java:95) at org.apache.solr.handler.CdcrLeaderStateManager.access$400(CdcrLeaderStateManager.java:40) at org.apache.solr.handler.CdcrLeaderStateManager$LeaderStateWatcher.process(CdcrLeaderStateManager.java:150) at org.apache.solr.common.cloud.SolrZkClient$3.lambda$process$0(SolrZkClient.java:269) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2018-09-07 10:36:14.310 INFO (coreLoadExecutor-8-thread-3-processing-n:sourceIP:8983_solr) [ ] o.a.s.c.SolrConfig Using Lucene MatchVersion: 6.6.3 2018-09-07 10:36:14.315 INFO (zkCallback-4-thread-1-processing-n:sourceIP:8983_solr) [ ] o.a.s.c.c.ZkStateReader A cluster state change: [WatchedEvent state:SyncConnected type:NodeDataChanged path:/collections/collection1/state.json] for collection [sitecore] has occurred - updating... (live nodes size: [1]) 2018-09-07 10:36:14.343 WARN (cdcr-replicator-211-thread-1-processing-n:sourceIP:8983_solr) [ ] o.a.s.h.CdcrReplicator Log reader for target collection1 is not initialised, it will be ignored. I am unable to see anything on target. It will be great if someone can help me in it. Can you help in this? Regards Mrityunjaya
