Error log: “max virtual memory areas vm.max_map_count […] is too low”
Error Log: This is another critical bootstrap check error that prevents your OpenSearch node from starting. You will find it in your opensearch.log. None max... Read more.
Error log: “Fielddata is disabled on text fields by default”
Error log: You see this error as the root_cause when a query attempts to sort, aggregate, or access a text field’s raw values. JSON None { "error": { "root_cause":... Read more.
Error log: “cluster state update task […] timed out”
Error Log: You’ll see this warning in your cluster manager node’s log (opensearch.log). It’s often followed by other nodes reporting they can’t... Read more.
Error log: “Connection refused” – The locked door
Error log: This error, like its cousin “Connection timed out,” will not appear in your OpenSearch logs. It’s a low-level network error that your... Read more.
Error log: “failed to parse date field” – The common mapping error
Error log: This is a specific, and very common, type of MapperParsingException (Blog #6). You’ll see it as a failure in a bulk request. JSON None { "error":... Read more.
Error log: “root mapping definition has unsupported parameters”
Error log: You’ll see this error when trying to create an index or an index template, and your _mappings structure is wrong at the very top level. JSON None... Read more.
Error log: Disk “high” watermark exceeded – The final warning
Error log: This is not an error, but a critical warning in your opsearch.log file. It’s the step before your cluster locks up (Blog #5). None high...... Read more.
Error log: IndexPrimaryShardNotAllocatedException – The red index
Error log: This error appears as the root_cause when you try to query an index that is in a red state. JSON None { "error": { "root_cause": [ {... Read more.
Error log: XContentParseException – The malformed JSON
Error log: This is a low-level error that means the JSON you sent in your request body is broken. JSON None { "error": { "root_cause": [ {... Read more.
