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OpenTelemetry auto-instrumentation and instrumentation libraries for Java

Results 335 opentelemetry-java-instrumentation issues
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### Is your feature request related to a problem? Please describe. Spec has recently changed to specify extraction of multiple values for a given key: https://github.com/open-telemetry/opentelemetry-specification/pull/4295 The Java SDK has...

enhancement
contribution welcome

### Is your feature request related to a problem? Please describe. Sometimes redis commands (such as GET SET) are executed very quickly, but before a redis command is executed, it...

enhancement
needs triage

In tomcat plugin, we will invoke `messageBytesToString` method for multiple times. Each invocation costs around 0.06% CPU. ![Image](https://github.com/user-attachments/assets/a2d0dc9a-dd5a-49ee-8e98-ca2a457f8585) Do we have to instrument `org.apache.catalina.connector.CoyoteAdapter#service` method? We might be able to...

### Describe the bug When logging to an otel appender from an async appender, trace id and span id are missing. Logging directly to the otel appender: ``` Trace ID:...

bug
needs triage

### Is your feature request related to a problem? Please describe. the idea is that you should have the same telemetry with the spring starter as with the agent (where...

enhancement
spring boot starter

We want to make the invokedynamic-based instrumentation approach the default one eventually. This issue is intended to document the next steps towards this goal. Per discussion in the SIG-Meeting, we'll...

### Is your feature request related to a problem? Please describe. I hope this message finds you well. I am reaching out to kindly request a Vulnerability Assesment and Pentration...

enhancement
needs triage

Documentation is missing for several library instrumentations (https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/docs/standalone-library-instrumentation.md). This is full list of library instrumentations, check marks mean documentation is present. It would be great for all of the library...

documentation
contribution welcome

And a strategy to keep it up-to-date would be great.

documentation

Capture `code.namespace` and `code.function` on controller ~and view~ spans (not sure what to do with view spans yet, see discussion at https://github.com/open-telemetry/opentelemetry-java-instrumentation/pull/12984#discussion_r1900602815). Controller spans: - [ ] dropwizard/dropwizard-views-0.7 - [...

enhancement
contribution welcome