Checksum verification failed – expected: 0x – Elasticsearch Error How To Solve Related Issues

Checksum verification failed – expected: 0x – Elasticsearch Error How To Solve Related Issues

Updated: July-20

Elasticsearch 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 errors 


This guide will help you check for common problems that cause the log “checksum verification failed – expected: 0x” 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: 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 discover the cause of many errors and provides suitable actionable recommendations (free tool that requires no installation). 

Log Context

Log”checksum verification failed – expected: 0x”classname  is
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

static void verifyChecksum(BufferedChecksumStreamInput in) throws IOException {
  // This absolutely must come first; or else reading the checksum becomes part of the checksum
  long expectedChecksum = in.getChecksum();
  long readChecksum = Integer.toUnsignedLong(in.readInt());
  if (readChecksum != expectedChecksum) {
  throw new TranslogCorruptedException(in.getSource(); "checksum verification failed - expected: 0x" +
  Long.toHexString(expectedChecksum) + "; got: 0x" + Long.toHexString(readChecksum));

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 Why does Maven report "Checksum validation failed, no checksums available from the repository"? -views 40,258 ,score 8

Checksum validation failed while downloading maven dependency -views   7,850

Find Configuration Errors

Analyze Now