Hi I am upgrading the solr 8.0.0 from 6.1.0. Before I can not add the coreNodeName in core.properties and its working fine for me. But when i start the solr 8.0.0 with same core.properties it will give ERROR
2019-03-25 09:01:18.704 ERROR (coreLoadExecutor-13-thread-1-processing-n:192.168.100.145:7991_solr) [c:product s:shard1 x:product] o.a.s.c.ZkController org.apache.solr.common.SolrException: Could not find collection : product at org.apache.solr.common.cloud.ClusterState.getCollection(ClusterState.java:118) ~[solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at org.apache.solr.core.CoreContainer.repairCoreProperty(CoreContainer.java:1854) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.cloud.ZkController.checkStateInZk(ZkController.java:1790) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1729) [solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1182) [solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer.lambda$load$13(CoreContainer.java:695) [solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer$$Lambda$244/470132045.call(Unknown Source) [solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197) [metrics-core-3.2.6.jar:3.2.6] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_45] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209) [solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$56/2019826979.run(Unknown Source) [solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_45] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_45] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45] 2019-03-25 09:01:18.720 ERROR (coreContainerWorkExecutor-2-thread-1-processing-n:192.168.100.145:7991_solr) [ ] o.a.s.c.CoreContainer Error waiting for SolrCore to be loaded on startup org.apache.solr.common.SolrException: Unable to create core [product] at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1210) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer.lambda$load$13(CoreContainer.java:695) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer$$Lambda$244/470132045.call(Unknown Source) ~[?:?] at com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197) ~[metrics-core-3.2.6.jar:3.2.6] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_45] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209) [solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor$$Lambda$56/2019826979.run(Unknown Source) [solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_45] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_45] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45] Caused by: org.apache.solr.common.SolrException: at org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1760) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1182) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] ... 9 more Caused by: org.apache.solr.common.SolrException: Could not find collection : product at org.apache.solr.common.cloud.ClusterState.getCollection(ClusterState.java:118) ~[solr-solrj-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:10] at org.apache.solr.core.CoreContainer.repairCoreProperty(CoreContainer.java:1854) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.cloud.ZkController.checkStateInZk(ZkController.java:1790) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.cloud.ZkController.preRegister(ZkController.java:1729) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1182) ~[solr-core-8.0.0.jar:8.0.0 2ae4746365c1ee72a0047ced7610b2096e438979 - jimczi - 2019-03-08 12:06:06] ... 9 more 2019-03-25 09:01:18.954 INFO (main) [ ] o.e.j.s.h.ContextHandler Started o.e.j.w.WebAppContext@65b3f4a4{/solr,file:///E:/SolrCloud-8-0-0/solr-8.0.0-shard-1/server/solr-webapp/webapp/,AVAILABLE}{E:\SolrCloud-8-0-0\solr-8.0.0-shard-1\server/solr-webapp/webapp} 2019-03-25 09:01:18.970 INFO (main) [ ] o.e.j.s.AbstractConnector Started ServerConnector@4c7a078{HTTP/1.1,[http/1.1, h2c]}{0.0.0.0:7991} 2019-03-25 09:01:18.970 INFO (main) [ ] o.e.j.s.Server Started @36409ms My core.properties contain name=product shard=shard1 collection=product My upconfig command : zkcli.bat -cmd bootstrap -solrhome F:\SolrCloud-6.1.0\solr-6.1.0-shard-1\server\solr -z 192.168.100.222:3181,192.168.100.222:3182,192.168.100.222:3183 My solr start command : solr start -p 7992 Note : Same command and same core.properties works fine in Solr 6.1.0 but not working with Solr 8.0.0. I created only one shard and 3 zoo keeper. Regards, Vishal