We have faced a issue when we are upgrading a cluster from 4.2 to 4.4. When we run fcv the config server and one shard cluster shows target version 4.4 but the other three are showing 4.2 version.
Logs of config:
{“t”:{“$date”:“2024-10-07T17:25:05.335+05:30”},“s”:“W”, “c”:“SHARDING”, “id”:21853, “ctx”:“Balancer”,“msg”:“Unable to balance collection”,“attr”:{“namespace”:“config.system.sessions”,“error”:{“code”:117,“codeName”:“ConflictingOperationInProgress”,“errmsg”:“No chunks were found for the collection”}}}
{“t”:{“$date”:“2024-10-07T17:25:15.861+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-1”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:0,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T17:25:15.861+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-1”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:0,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T17:25:15.862+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-1”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:0,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T17:25:15.862+05:30”},“s”:“W”, “c”:“SHARDING”, “id”:4562402, “ctx”:“Balancer”,“msg”:“Unable to split sessions collection chunks”,“attr”:{“error”:{“code”:117,“codeName”:“ConflictingOperationInProgress”,“errmsg”:“No chunks were found for the collection”}}}
{“t”:{“$date”:“2024-10-07T17:25:16.156+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-0”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:0,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
Shards Logs:
{“t”:{“$date”:“2024-10-07T16:57:27.556+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-11”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:2,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T16:57:27.560+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-11”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:2,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T16:57:27.562+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-11”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:1,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}
{“t”:{“$date”:“2024-10-07T16:57:27.564+05:30”},“s”:“I”, “c”:“SH_REFR”, “id”:24103, “ctx”:“ConfigServerCatalogCacheLoader-11”,“msg”:“Error refreshing cached collection”,“attr”:{“namespace”:“config.system.sessions”,“durationMillis”:1,“error”:“ConflictingOperationInProgress: No chunks were found for the collection”}}