Error log: “ShardNotAvailableException” / “no such shard”
Error log: This error can appear in your OpenSearch logs or as a root_cause in a query failure when a specific shard cannot be found. JSON None { "error": {...... Read more.
Error log: “unknown key [X] for create index” / “unknown parameter [Y]”
Error log: You’ll see this error when trying to create an index, define a mapping, or run a query with an invalid or misspelled parameter. When creating an... Read more.
Error log: “ConnectTimeoutException” – The connection that never was
Error log: Like SocketTimeoutException, this error will not appear in your OpenSearch logs. It happens in your client application’s logs before a connection... Read more.
Error blog: “ConcurrentSnapshotExecutionException” – The snapshot collision
Error log: You try to start a new snapshot, but the request is immediately rejected with this error. JSON None { "error": { "root_cause": ...... Read more.
Error log: “no search context found” / “SearchContextMissingException”
Error Log: You are using a scroll query to paginate through a large result set, but after a few requests, your scroll fails with this error. JSON None { "error":...... Read more.
Error log: “failed to obtain node lock” / “Node is already locked”
Error Log: This is a fatal startup error. Your OpenSearch node fails to start, and you see this in your opensearch.log file. None failed to obtain node lock,...... Read more.
Error log: “too_many_buckets_exception” – The aggregation explosion
Error Log: You are running a search with aggregations (e.g., a terms or histogram aggregation), but the query fails with this error. JSON None { "error": { "root_cause":... Read more.
Error log: DocumentMissingException – The update that found nothing
Error Log: You’ll see this error when you try to use the _update API on a document that doesn’t exist. JSON None { "error": { "root_cause":... Read more.
Error log: “max file descriptors [X] is too low”
Error log: This is a critical bootstrap check error that prevents your OpenSearch node from starting. You will find it in your opensearch.log. None max file... Read more.
Error log: NotClusterManagerException – “node is not a cluster manager”
Error log: You’ll see this error when you try to run a cluster-wide command (like changing settings or checking health) but you sent it to the wrong node.... Read more.
