Change8

ELK Stack

Backend & Infra

Free and Open Source, Distributed, RESTful Search Engine

Latest: v9.3.067 releases29 common errorsView on GitHub

Release History

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

ElasticsearchTimeoutException8 reports

ElasticsearchTimeoutException usually indicates that an operation, like taking a snapshot or cluster recovery, took longer than the configured timeout. To fix it, increase the relevant Elasticsearch timeout settings, such as `cluster.routing.allocation.disk.watermark.low` or `indices.recovery.max_bytes_per_sec`, in the `elasticsearch.yml` file, and ensure the cluster has sufficient resources by monitoring CPU, memory, and disk I/O. After modifying the configuration, restart the Elasticsearch nodes for the changes to take effect.

ResourceNotFoundException3 reports

ResourceNotFoundException in Elasticsearch usually means the resource (index, document, etc.) you're trying to access doesn't exist or hasn't been created yet. To fix this, ensure the resource is created *before* attempting to access it, perhaps by adding a step to create indices or waiting for asynchronous creation processes to complete before querying the data. Retrying the operation after a short delay often resolves the issue in situations where resource creation is still in progress.

ConnectionClosedException3 reports

"ConnectionClosedException" in Elasticsearch often arises from client-side timeouts or network instability causing premature connection closure during data transfer. Increase the client's socket timeout settings to allow longer for requests to complete, or improve network reliability between the Elasticsearch client and cluster to prevent connection drops. Specifically, check and increase `client.socket.timeout` in your Elasticsearch client configuration or investigate network connectivity issues.

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.

IllegalStateException3 reports

IllegalStateException in Elasticsearch often arises from concurrent modifications to shared data structures or attempting operations on objects in an invalid state, especially during indexing or serialization. Resolve this by ensuring proper synchronization using locks or concurrent data structures or carefully checking the object's state before performing actions; for serialization issues, verify that all fields are properly initialized and support serialization with the correct version compatibility. Review logs for specific context, such as conflicting document types during merging or race conditions in thread execution, to pinpoint the source of the state transition.

IndexOutOfBoundsException3 reports

IndexOutOfBoundsException in vector scoring often arises when accessing an array or list with an invalid index, usually due to incorrect calculations of array boundaries within the scoring functions. Review the index calculations related to vector dimensions and offsets within the `VectorScorerOSQBenchmarkTests` code, specifically where vectors are accessed during the scoring process, such as in `testBulkScalarVsVectorized`, and ensure they remain within the valid range of your arrays. Verify vector sizes, offsets, and loop conditions to prevent out-of-bounds access during benchmarking.

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