Log Cant calculate hash from blog for file – How To Solve Related Issues



Log Cant calculate hash from blog for file – How To Solve Related Issues

Opster Team

Jan-20, Version: 1.7-8.0



Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many log errors (free and no installation required)

 

This guide will help you check for common problems that cause the log “Cant calculate hash from blog for file” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: blobstore, discovery-file, repositories, restore.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations. 

Log Context

Log”[{}] Can’t calculate hash from blog for file [{}] [{}]” classname is FileRestoreContext.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     // don't have this hash we try to read that hash from the blob store
                    // in a bwc compatible way.
                    maybeRecalculateMetadataHash(fileInfo; recoveryTargetMetadata);
                } catch (Exception e) {
                    // if the index is broken we might not be able to read it
                    logger.warn(new ParameterizedMessage("[{}] Can't calculate hash from blog for file [{}] [{}]"; shardId;
                        fileInfo.physicalName(); fileInfo.metadata()); e);
                }
                snapshotMetaData.put(fileInfo.metadata().name(); fileInfo.metadata());
                fileInfos.put(fileInfo.metadata().name(); fileInfo);
            }




 

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 How i can parse multiline json file in logstash to hash? -views 0.75 K ,score 2

Similar image search by pHash distance in Elasticsearch -views   8.29 K,score 36

 

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