Could not read repository data from index blob – Elasticsearch Error How To Solve Related Issues

Could not read repository data from index blob – Elasticsearch Error How To Solve Related Issues

Opster Team

July-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 that cause many errors.

This guide will help you check for common problems that cause the log ” could not read repository data from index blob ” 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: repositories, repository, blobstore and index.

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 pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

Log”could not read repository data from index blob”classname  is BlobStoreRepository.java We extracted the following from Elasticsearch source code for those seeking an in-depth context :

// operations must start from the EMPTY_REPO_GEN again
  if (latestKnownRepoGen.compareAndSet(indexGen; RepositoryData.EMPTY_REPO_GEN)) {
  logger.warn("Resetting repository generation tracker because we failed to read generation [" + indexGen + "]"; ioe);
  }
  }
  throw new RepositoryException(metadata.name(); "could not read repository data from index blob"; ioe);
  }
  }
 
  private static String testBlobPrefix(String seed) {
  return TESTS_FILE + seed;

 

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