Change8

ELK Stack

Backend & Infra

Free and Open Source, Distributed, RESTful Search Engine

Latest: v9.4.180 releases41 common errorsView on GitHub

Release History

v9.4.1
May 12, 2026

This release provides updates and fixes for Elasticsearch version 9.4.1. Detailed release notes are available via the provided links.

v9.4.0
May 5, 2026

This release announcement provides links to the download page and detailed release notes for Elasticsearch version 9.4.0.

v9.3.4
Apr 30, 2026

This release provides updates for Elasticsearch version 9.3.4. Specific details regarding changes are available in the linked release notes.

v8.19.15
Apr 30, 2026

This release provides maintenance updates for Elasticsearch version 8.19.15. Refer to the linked release notes for specific details.

v8.19.14
Apr 8, 2026

This release provides maintenance updates for Elasticsearch version 8.19.14. Specific details on changes are available in the linked release notes.

v9.2.8
Apr 8, 2026

This release provides updates for Elasticsearch version 9.2.8. Specific details regarding features, fixes, and changes are available in the linked release notes.

v9.3.3
Apr 8, 2026

This release provides updates and fixes for Elasticsearch version 9.3.3. Detailed information is available in the linked release notes.

v9.3.2
Mar 19, 2026

This release provides maintenance updates for Elasticsearch version 9.3.2. Specific details regarding changes are available in the linked release notes.

v9.2.7
Mar 19, 2026

This release provides maintenance updates for Elasticsearch version 9.2.7. Specific details regarding changes are available in the linked release notes.

v8.19.13
Mar 19, 2026

This release provides maintenance updates for Elasticsearch version 8.19.13. Refer to the linked release notes for specific details.

v8.19.12
Feb 26, 2026

This release provides maintenance updates for Elasticsearch version 8.19.12. Refer to the linked release notes for specific details.

v9.3.1
Feb 26, 2026

This release announcement points to the official download page and detailed release notes for Elasticsearch version 9.3.1.

v9.2.6
Feb 26, 2026

This release provides updates for Elasticsearch version 9.2.6. Specific details regarding changes are available in the linked release notes.

v9.3.0
Feb 3, 2026

This release provides access to the Elasticsearch 9.3.0 release notes and download links.

v9.2.5
Feb 3, 2026

This release provides maintenance updates for Elasticsearch version 9.2.5. Specific details on changes are available in the linked release notes.

v8.19.112 fixes
Feb 3, 2026

Elasticsearch version 8.19.11 addresses minor issues in the cluster settings API and Snapshot API functionality.

v8.19.10
Jan 13, 2026

This release provides maintenance updates for Elasticsearch version 8.19.10. Refer to the linked release notes for specific details.

v9.1.10
Jan 13, 2026

This release provides updates for Elasticsearch version 9.1.10. Detailed changes are available in the linked release notes.

v9.2.4
Jan 13, 2026

This release provides updates for Elasticsearch version 9.2.4, with detailed notes available via the provided links.

v9.2.3
Dec 19, 2025

This release provides updates for Elasticsearch version 9.2.3. Specific details regarding changes are available in the linked release notes.

v9.1.9
Dec 19, 2025

This release provides access to the Elasticsearch downloads and detailed release notes for version 9.1.9.

v8.19.9
Dec 19, 2025

This release is Elasticsearch version 8.19.9. Refer to the linked release notes for specific details on changes.

v9.1.8
Dec 2, 2025

This release provides updates and fixes for Elasticsearch version 9.1.8. Detailed release notes are available via the provided links.

v8.19.8
Dec 2, 2025

This release provides maintenance updates for Elasticsearch version 8.19.8. Refer to the linked release notes for specific details.

v9.2.2
Dec 2, 2025

This release provides updates and fixes for Elasticsearch version 9.2.2. Specific details are available in the linked release notes.

v9.1.7
Nov 11, 2025

This release provides updates for Elasticsearch, with download links and detailed release notes available via the provided URLs.

v8.19.7
Nov 11, 2025

This release provides maintenance updates for Elasticsearch version 8.19.7. Refer to the linked release notes for specific details.

v9.2.1
Nov 11, 2025

This release provides updates for Elasticsearch version 9.2.1, with detailed notes available via the provided links.

v9.1.6
Oct 23, 2025

This release provides updates for Elasticsearch version 9.1.6, with detailed notes available via the provided links.

v8.19.6
Oct 23, 2025

This release provides maintenance updates for Elasticsearch version 8.19.6. Refer to the linked release notes for specific details.

v9.2.0
Oct 23, 2025

This release provides updates and fixes for Elasticsearch version 9.2.0. Detailed release notes are available via the provided links.

v9.0.8
Oct 6, 2025

This release provides updates and fixes for Elasticsearch version 9.0.8. Detailed release notes are available via the provided links.

v8.19.5
Oct 6, 2025

This release provides updates for Elasticsearch version 8.19.5. Refer to the linked release notes for detailed changes.

v8.18.8
Oct 6, 2025

This release provides maintenance updates for Elasticsearch version 8.18.8. Refer to the linked release notes for specific details.

v9.1.5
Oct 6, 2025

This release provides updates and fixes for Elasticsearch version 9.1.5. Detailed release notes are available via the provided links.

v8.19.4
Sep 18, 2025

This release provides updates for Elasticsearch version 8.19.4, with detailed notes available via the provided documentation link.

v9.1.4
Sep 18, 2025

This release provides updates for Elasticsearch version 9.1.4. Specific details regarding changes are available in the linked release notes.

v9.0.7
Sep 16, 2025

This release provides links to the download page and detailed release notes for Elasticsearch version 9.0.7.

v8.18.7
Sep 16, 2025

This release (8.18.7) provides maintenance updates for Elasticsearch. Refer to the linked release notes for specific details.

v9.1.3
Aug 28, 2025

This release provides updates for Elasticsearch, with download links and detailed release notes available via the provided URLs.

v9.0.6
Aug 28, 2025

This release provides updates and fixes for Elasticsearch version 9.0.6. Specific details are available in the linked release notes.

v8.18.6
Aug 28, 2025

This release provides maintenance updates for Elasticsearch version 8.18.6. Refer to the linked release notes for specific details.

v8.19.3
Aug 28, 2025

This release provides maintenance updates for Elasticsearch version 8.19.3. Refer to the linked release notes for specific details.

v8.19.2
Aug 12, 2025

This release provides updates and fixes for Elasticsearch version 8.19.2. Specific details on changes can be found in the linked release notes.

v9.1.2
Aug 12, 2025

This release provides access to downloads and detailed release notes for Elasticsearch version 9.1.2.

v8.17.10
Aug 12, 2025

This release provides updates for Elasticsearch version 8.17.10, with detailed notes available via the provided link.

v9.0.5
Aug 12, 2025

This release provides access to the Elasticsearch downloads and detailed release notes for version 9.0.5.

v8.18.5
Aug 12, 2025

This release provides maintenance updates for Elasticsearch version 8.18.5. Refer to the linked release notes for specific details.

v9.1.1
Aug 7, 2025

This release provides access to the Elasticsearch downloads and detailed release notes for version 9.1.1.

v8.19.1
Aug 7, 2025

This release provides updates for Elasticsearch version 8.19.1. Specific details regarding changes are available in the linked release notes.

v8.19.0
Jul 29, 2025

This release announcement provides links to the download page and the detailed release notes for Elasticsearch version 8.19.0.

v9.1.0
Jul 29, 2025

This release provides access to the Elasticsearch 9.1.0 release notes and download links.

v8.17.9
Jul 22, 2025

This release provides updates for Elasticsearch version 8.17.9, with detailed release notes available via the provided link.

v8.18.4
Jul 22, 2025

This release is Elasticsearch version 8.18.4. Specific details regarding changes are available in the linked release notes.

v9.0.4
Jul 22, 2025

This release provides updates and fixes for Elasticsearch version 9.0.4. Specific details are available in the linked release notes.

v8.18.3
Jun 24, 2025

This release (8.18.3) provides minor updates and fixes for Elasticsearch. Refer to the linked release notes for detailed information.

v8.17.8
Jun 24, 2025

This release provides maintenance updates for Elasticsearch version 8.17.8. Refer to the linked release notes for specific details.

v9.0.3
Jun 24, 2025

This release provides access to downloads and detailed release notes for Elasticsearch version 9.0.3.

v7.17.29
Jun 24, 2025

This release provides maintenance updates for Elasticsearch version 7.17.29. Consult the linked release notes for specific details.

v9.0.2
Jun 3, 2025

This release provides download links and links to the detailed release notes for Elasticsearch version 9.0.2.

v8.17.7
Jun 3, 2025

This release is Elasticsearch version 8.17.7. Refer to the linked release notes for detailed changes.

v8.18.2
May 29, 2025

This release provides maintenance updates for Elasticsearch version 8.18.2. Specific details regarding changes are available in the linked release notes.

v9.0.1
May 6, 2025

This release provides access to the Elasticsearch downloads and detailed release notes for version 9.0.

v8.17.6
May 6, 2025

This release provides maintenance updates for Elasticsearch version 8.17.6. Refer to the linked release notes for specific details.

v8.18.1
May 6, 2025

This release provides updates and fixes for Elasticsearch version 8.18.1. Specific details regarding changes are available in the linked release notes.

v8.17.5
Apr 15, 2025

This release provides maintenance updates for Elasticsearch version 8.17.5. Specific details regarding changes are available in the linked release notes.

v8.18.0
Apr 15, 2025

This release announcement points to the download page and the detailed release notes for Elasticsearch version 8.18.0.

v9.0.0
Apr 15, 2025

This release provides access to the Elasticsearch 9.0.0 release notes and download links.

v8.17.4
Mar 25, 2025

This release provides maintenance updates for Elasticsearch version 8.17.4. Refer to the linked release notes for specific details.

v8.16.6
Mar 25, 2025

This release provides updates for Elasticsearch version 8.16.6, with detailed notes available via the provided reference link.

v9.0.0-rc1
Mar 24, 2025

This release is Elasticsearch version 9.0.0-rc1. Detailed release notes are available via the provided link.

v8.16.5
Mar 4, 2025

This release provides maintenance updates for Elasticsearch version 8.16.5. Specific details regarding changes are available in the linked release notes.

v8.17.3
Mar 4, 2025

This release provides maintenance updates for Elasticsearch version 8.17.3. Refer to the linked release notes for specific details.

v7.17.28
Feb 25, 2025

This release provides maintenance updates for Elasticsearch version 7.17.28. Refer to the linked release notes for specific details.

v9.0.0-beta1
Feb 18, 2025

This release points to the Elasticsearch 9.0.0 release notes, which contain the detailed changes for this version.

v8.16.4
Feb 11, 2025

This release (8.16.4) provides maintenance updates for Elasticsearch. Refer to the linked release notes for specific details.

v8.17.2
Feb 11, 2025

This release provides maintenance updates for Elasticsearch version 8.17.2. Specific details regarding features, fixes, or breaking changes are not detailed in the provided snippet, only links to the downloads and full release notes.

v8.17.1
Jan 21, 2025

This release provides updates for Elasticsearch version 8.17.1. Refer to the linked release notes for specific details on changes.

v8.16.3
Jan 21, 2025

This release provides maintenance updates for Elasticsearch version 8.16.3. Specific details regarding changes are available in the linked release notes.

v7.17.27
Jan 14, 2025

This release provides updates for Elasticsearch, with detailed release notes available via the provided links.

Common Errors

InvocationTargetException9 reports

InvocationTargetException often wraps an actual exception thrown within a method invoked via reflection. Fix it by examining the underlying cause using the stack trace to identify the real exception, then address that specific issue like a NullPointerException or IllegalArgumentException related to argument types or object states during the reflective call.

NoSuchElementException8 reports

NoSuchElementException in Elasticsearch's VectorScorer tests usually indicates that the test is trying to access an element from an empty or non-existent collection/iterator. This can be caused by incorrect setup or teardown of test resources, or indexing issues. Fix this by ensuring that all required data structures are properly initialized and populated with data before the tests access them and verify data exists via `Assert.assertTrue` or similar before accessing via iterators.

MapperParsingException4 reports

MapperParsingException usually arises from Elasticsearch trying to index a field with a data type inconsistent with its mapping (e.g., indexing text into a numeric field). To resolve this, either update the Elasticsearch mapping for the affected field to the correct data type using the `PUT index/_mapping` API or adjust the data being sent to match the existing mapping. If dynamic mapping is enabled, consider disabling it or defining explicit mappings to prevent Elasticsearch from inferring incorrect data types.

MasterNotDiscoveredException3 reports

MasterNotDiscoveredException in Elasticsearch often indicates that the node cannot find or communicate with the elected master node. This can stem from network connectivity issues, incorrect cluster configuration (e.g., discovery settings like `discovery.seed_hosts`), or insufficient resources on the master eligible nodes causing them to become unresponsive. To resolve, ensure all nodes can communicate on the configured ports, verify that `discovery.seed_hosts` lists enough master-eligible nodes, and monitor the health of master-eligible nodes for resource exhaustion, increasing their allocated resources if necessary.

RepositoryVerificationException3 reports

RepositoryVerificationException in Elasticsearch usually indicates a mismatch between the expected and actual repository metadata, often due to concurrent writes or inconsistencies in the underlying storage. To fix this, ensure proper synchronization mechanisms are in place during repository operations (snapshots, restores, deletions) and verify the integrity of the storage backend (e.g., ensure eventual consistency in cloud storage). Consider retrying the operation with exponential backoff to handle transient inconsistencies and implement locking to prevent concurrent modifications.

TestCouldNotBeSkippedException3 reports

TestCouldNotBeSkippedException often arises when a test is marked to be skipped based on a condition, but that condition isn't correctly evaluated or the skipping mechanism fails. Review the skip condition logic (e.g., `@AssumedTest`, `@ConditionalOnSingleNode`) and ensure it accurately reflects the intended skipping behavior, fixing any logical errors or dependency issues preventing proper execution. Also, double check the test execution environment to confirm that the skipping condition is definitively met to avoid unintended test executions.

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