open-telemetry/opentelemetry-java

OkHttpHttpSender should support COMPATIBLE_TLS connectionSpec

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#7,573 opened on Aug 15, 2025

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Feature Requesthelp wanted

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Description

Is your feature request related to a problem? Please describe. The OkHttp based exporter can only export to https:// endpoints that meet the requirements of the OkHttp MODERN_TLS ConnectionSpec.

Describe the solution you'd like the OkHttpHttpSender should support the COMPATIBLE_TLS ConnectionSpec (possibly via a config switch)

Describe alternatives you've considered A custom ExporterSender, but hits on #6718

Additional context Certain WebSphere 8.x systems (java 1.8) running on AIX platforms (for example) cannot export to https:// endpoints. The J9 1.8 JVMs cannot satisfy the requirements of OkHttp MODERN_TLS and there is no available otel-collector for AIX to handle a http://localhost type setup.

Contributor guide

Research direction
Investigate how to add a configuration option to switch between MODERN TLS and COMPATIBLE TLS ConnectionSpec in OkHttpHttpSender. Look for existing configuration patterns in the codebase.
Tech stack
java
Domain
backendnetworking
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
JavaOkHttp
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65