docs: add MDC attribute capture to Spring Boot example#134
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Add OTEL_INSTRUMENTATION_LOGBACK_APPENDER_EXPERIMENTAL_CAPTURE_MDC_ATTRIBUTES to env.example so MDC context (requestId, transactionId, correlationId) is captured as log record attributes by default. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
ashishl9
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Apr 20, 2026
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Summary
OTEL_INSTRUMENTATION_LOGBACK_APPENDER_EXPERIMENTAL_CAPTURE_MDC_ATTRIBUTES=*tojava/springboot/env.exampleContext
Without this config, the OTEL Java agent does not capture Logback MDC attributes (requestId, transactionId, correlationId) as log record attributes.
Test plan
🤖 Generated with Claude Code