Change8

Logstash

Backend & Infra

Logstash - transport and process your logs, events, or other data

Latest: v9.3.067 releases10 common errorsView on GitHub

Release History

v9.3.0
Feb 3, 2026

This release provides download links and links to the detailed release notes for Logstash version 9.3.0.

v8.19.11
Feb 3, 2026

This release provides maintenance updates for Logstash version 8.19.11. Refer to the linked release notes for specific details.

v9.2.5
Feb 3, 2026

This release provides updates for Logstash version 9.2.5. Detailed changes are available in the linked release notes.

v9.2.4
Jan 13, 2026

This release provides updates for Logstash version 9.2.4. Specific details regarding changes are available in the linked release notes.

v8.19.10
Jan 13, 2026

This release provides updates for Logstash version 8.19.10. Specific details regarding changes are available in the linked release notes.

v9.1.10
Jan 13, 2026

This release provides updates for Logstash version 9.1.10. Specific details are available in the linked release notes.

v9.2.3
Dec 19, 2025

This release provides download links and detailed release notes for Logstash version 9.2.3.

v9.1.9
Dec 19, 2025

This release provides download links and detailed release notes for Logstash version 9.1.9.

v8.19.9
Dec 19, 2025

This release provides updates for Logstash version 8.19.9. Specific details on changes are available in the linked release notes.

v9.1.8
Dec 2, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.1.8.

v8.19.8
Dec 2, 2025

This release provides links to the download page and detailed release notes for Logstash version 8.19.8.

v9.2.2
Dec 2, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.2.2.

v9.1.7
Nov 11, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.1.7.

v8.19.7
Nov 11, 2025

This release provides updates and fixes for Logstash version 8.19.7. Refer to the linked release notes for detailed information.

v9.2.1
Nov 11, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.2.1.

v9.1.6
Oct 23, 2025

This release provides download links and detailed release notes for Logstash version 9.1.6.

v8.19.6
Oct 23, 2025

This release provides maintenance updates for Logstash version 8.19. Specific details are available in the linked release notes.

v9.2.0
Oct 23, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.2.0.

v9.0.8
Oct 6, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.0.8.

v8.19.5
Oct 6, 2025

This release provides updates for Logstash version 8.19.5. Specific details regarding changes are available in the linked release notes.

v8.18.8
Oct 6, 2025

This release provides links to the download page and detailed release notes for Logstash version 8.18.8.

v9.1.5
Oct 6, 2025

This release provides access to download links and detailed release notes for Logstash version 9.1.5.

v9.1.4
Sep 18, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.1.4.

v8.19.4
Sep 18, 2025

This release provides updates for Logstash version 8.19.4. Specific details regarding changes are available in the linked release notes.

v9.0.7
Sep 16, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.0.7.

v8.18.7
Sep 16, 2025

This release provides updates for Logstash version 8.18.7. Refer to the linked release notes for specific details.

v9.1.3
Aug 28, 2025

This release provides links to the Logstash download page and the specific release notes for version 9.1.3.

v9.0.6
Aug 28, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.0.6.

v8.18.6
Aug 28, 2025

This release provides updates and fixes for Logstash version 8.18.6. Specific details regarding changes are available in the linked release notes.

v8.19.3
Aug 28, 2025

This release provides updates for Logstash version 8.19.3. Specific details regarding changes are available in the linked release notes.

v8.19.2
Aug 12, 2025

This release provides updates for Logstash version 8.19.2. Refer to the linked release notes for specific details.

v9.1.2
Aug 12, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.1.2.

v8.17.10
Aug 12, 2025

This release provides updates for Logstash version 8.17.10, with detailed release notes available online.

v9.0.5
Aug 12, 2025

This release provides download links and detailed release notes for Logstash version 9.0.5.

v8.18.5
Aug 12, 2025

This release provides updates and fixes for Logstash version 8.18.5. Refer to the linked release notes for detailed information.

v9.1.1
Aug 7, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.1.1.

v8.19.1
Aug 7, 2025

This release provides updates for Logstash version 8.19.1. Specific details regarding changes can be found in the linked release notes.

v8.19.0
Jul 29, 2025

This release provides updates for Logstash version 8.19.0. Refer to the linked release notes for detailed changes.

v9.1.0
Jul 29, 2025

This release provides access to the Logstash downloads and detailed release notes for version 9.1.0.

v8.17.9
Jul 22, 2025

This release provides updates for Logstash version 8.17.9. Specific details regarding changes are available in the linked release notes.

v8.18.4
Jul 22, 2025

This release provides updates and fixes for Logstash version 8.18.4. Refer to the linked release notes for detailed information.

v9.0.4
Jul 22, 2025

This release provides access to Logstash downloads and detailed release notes for version 9.0.4.

v8.18.3
Jun 24, 2025

This release provides updates for Logstash version 8.18.3. Specific details regarding changes are available in the linked release notes.

v8.17.8
Jun 24, 2025

This release provides updates and fixes for Logstash version 8.17.8. Detailed information can be found in the linked release notes.

v9.0.3
Jun 24, 2025

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

v7.17.29
Jun 24, 2025

This release provides updates for Logstash version 7.17.29. Refer to the linked release notes for detailed changes.

v9.0.2
Jun 3, 2025

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

v8.17.7
Jun 3, 2025

This release provides maintenance updates for Logstash version 8.17.7. Specific details on changes can be found in the linked release notes.

v8.18.2
May 29, 2025

This release provides updates and fixes for Logstash version 8.18.2. Refer to the linked release notes for detailed information.

v9.0.1
May 6, 2025

This release provides download links and detailed release notes for Logstash version 9.0.

v8.17.6
May 6, 2025

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

v8.18.1
May 6, 2025

This release provides updates for Logstash version 8.18.1. Refer to the linked release notes for specific details.

v8.17.5
Apr 15, 2025

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

v8.18.0
Apr 15, 2025

This release provides access to the Logstash 8.18.0 downloads and associated release notes.

v9.0.0
Apr 15, 2025

This release provides download links and links to the detailed release notes for Logstash version 9.0.0.

v8.17.4
Mar 25, 2025

This release provides updates and fixes for Logstash version 8.17.4. Refer to the linked release notes for detailed information.

v8.16.6
Mar 25, 2025

This release provides updates and fixes for Logstash version 8.16.6. Refer to the linked documentation for detailed changes.

v9.0.0-rc1
Mar 24, 2025

This release appears to be a Release Candidate (RC1) for Logstash version 9.0. Specific details about changes are not provided in the snippet.

v8.16.5
Mar 4, 2025

This release (Logstash 8.16.5) provides maintenance updates and bug fixes for the Logstash platform.

v8.17.3
Mar 4, 2025

This release provides updates for Logstash version 8.17.3. Specific details regarding features, fixes, or breaking changes are not detailed in the provided snippet, but links to downloads and full release notes are available.

v7.17.28
Feb 25, 2025

This release provides updates for Logstash version 7.17.28. Specific details regarding changes are available in the linked release notes.

v9.0.0-beta1
Feb 18, 2025

This is the release announcement for Logstash 9.0.0-beta1, with links provided for downloads and detailed release notes.

v8.16.4
Feb 11, 2025

This release provides updates for Logstash version 8.16.4. Specific details regarding changes are available in the linked release notes.

v8.17.2
Feb 11, 2025

This release provides updates for Logstash version 8.17.2. Specific details regarding changes are available in the linked release notes.

v8.17.1
Jan 21, 2025

This release appears to be a maintenance or patch release for Logstash version 8.17.1. Specific details require consulting the linked release notes.

v8.16.3
Jan 21, 2025

This release provides updates for Logstash version 8.16.3. Refer to the linked release notes for specific details.

v7.17.27
Jan 14, 2025

This release provides updates for Logstash version 7.17.27. Specific details regarding changes are available in the linked release notes.

Common Errors

NoMethodError2 reports

A "NoMethodError" in Logstash usually signifies that you are calling a method on an object that doesn't have that method defined (or the object is nil). Examine the stack trace to identify the problematic object and method call. Ensure the object is of the expected class and that the method name is spelled correctly. If the object is nil, check for initialization errors or incorrect configuration of the pipeline.

IllegalStateException1 report

The IllegalStateException in Logstash often arises when a pipeline attempts to access a field or event's state in an invalid context, such as accessing a non-existent field or modifying an event after it has been finalized. Ensure your filters correctly handle null or missing fields using conditionals (if statements) before accessing them and avoid modifying the event after it has been sent to downstream stages like the output. Review configurations for potentially problematic field references or late modifications that could trigger this improper state access.

SaslAuthenticationException1 report

The "SaslAuthenticationException" in Logstash typically arises from incorrect or missing SASL configuration for Kafka authentication, such as wrong username/password or missing Kerberos setup. To fix it, carefully verify the `sasl_username`, `sasl_password`, `security_protocol`, `sasl_mechanism`, and Kerberos-related settings (if applicable) in your Logstash Kafka input or output plugin configuration, ensuring they match the Kafka server's requirements. Double-checking the Kerberos configuration on the Logstash host, including `krb5.conf`, is also essential for Kerberos-based authentication.

StringIndexOutOfBoundsException1 report

StringIndexOutOfBoundsException in Logstash Grok filters typically occurs when the grok pattern attempts to access a substring beyond the actual length of the input string. To fix this, carefully review your grok patterns, especially those with optional or repeated elements, ensuring they correctly account for variations in input string length and structure, preventing out-of-bounds access. Use conditionals or anchors to guide the expression to the correct starting/ending point.

IllegalArgumentException1 report

IllegalArgumentException in Logstash often arises from incorrect data type handling, particularly when a field's expected data type doesn't match the actual data being processed. Fix this by ensuring your Logstash configuration correctly casts or converts field values to the expected types using processors like mutate or ruby filters *before* they are used in operations expecting specific data types, and validate field content/format with a grok filter if necessary..

HeapDumpOnOutOfMemoryError1 report

"HeapDumpOnOutOfMemoryError" in Logstash usually means the JVM ran out of memory due to excessive data processing or plugin memory leaks. To fix this, increase the JVM heap size in the jvm.options file (e.g., -Xms4g -Xmx4g) and carefully review Logstash configurations and plugins for memory-intensive operations or potential memory leaks. Reducing the number of filters, optimizing grok patterns, or using more efficient plugins can also alleviate memory pressure.

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