Failed to read pre 0.19 state from – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 1.7-1.7

Briefly, this error occurs when Elasticsearch tries to read the state of an older version (pre 0.19) but fails. This could be due to an incompatible version or corrupted state files. To resolve this issue, you can try the following: 1) Upgrade your Elasticsearch to a compatible version. 2) If the state files are corrupted, restore them from a backup. 3) If the problem persists, you may need to rebuild your index. Always ensure to backup your data before performing these operations to prevent data loss.

This guide will help you check for common problems that cause the log ” failed to read pre 0.19 state from [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: bootstrap.

Log Context

Log “failed to read pre 0.19 state from [” classname is LocalGatewayMetaState.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

}
                        }
                        index = fileIndex;
                        metaDataFile = stateFile;
                    } catch (IOException e) {
                        logger.warn("failed to read pre 0.19 state from [" + name + "]; ignoring..."; e);
                    }
                }
            }
        }
        if (metaData == null) {

 

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