OpenTelemetry - CNCF/opentelemetry-java: Release v1.21.0

Name: opentelemetry-java

Owner: OpenTelemetry - CNCF

Release: Version 1.21.0

Released: 2022-12-09

License: Apache-2.0

Release Assets:

API

API Extensions

  • WARNING: opentelemetry-extension-aws has been removed following its relocation to opentelemetry-java-contrib/aws-xray-propagator, which is published under coordinates io.opentelemetry.contrib:opentelemetry-aws-xray-propagator:{version}. We will push security patches to 1.20.x as needed. The latest opentelemetry-bom will point to the latest published version, currently 1.20.1. (#4945)
  • Add toString implementation to various propagator components (#4996)

SDK

Logs

  • Add toString implementation to various log SDK components (#4979)

Metrics

  • Add histogram collection benchmark (#4912)
  • Add ExponentialHistogramIndexerBenchmark (#4989)
  • Stop extra copy of exponential histogram buckets (#5020)

Exporter

  • Zipkin exporter serializes EventData attributes as JSON (#4934)
  • Add support for EC mTLS keys (applies to OtlpHttp{Signal}Exporter, OtlpGrpc{Signal}Exporter, JaegerGrpcSpanExporter, JaegerRemoteSampler) (#4920)
  • Add Configurable{Signal}ExporterProvider implementations for Logging{Signal}Exporters (#4950)
  • Add ConfigurableSpanExporterProvider implementation for ZipkinSpanExporter (#4991)
  • Add Configurable{Signal}ExporterProvider implementations for OtlpJsonLogging{Signal}Exporters (#4992)
  • ZipkinSpanExporter populates remoteEndpoint (#4933)

SDK Extensions

  • BREAKING: Remove support for otel.experimental.sdk.enabled from autoconfigure (#4973)
  • De-singleton ZPageServer implementation (#4935)
  • Add auto-configure support for logging-otlp exporters (#4879)
  • Move DefaultConfigProperties to internal package in opentelemetry-sdk-extension-autoconfigure-spi (#5001)

Testing

  • Make APIs for asserting attributes consistent (#4882)
  • Attribute assertions error messages always contain the attr key (#5027)

Semantic Conventions

  • Update semantic and resource attributes for spec v0.16.0 (#4938, #5033)

OpenTracing Shim

  • Handle unsupported types when setting Attributes (#4939)
  • Properly set the status based on the error tag (#4962)
  • Handle io.opentracing.noop.NoopSpan correctly (#4968)
  • Log invalid arguments rather than throwing exceptions. (#5012)
  • Stop mapping semconv values from OpenTracing to OTel. (#5016)

🙇 Thank you

This release was possible thanks to the following contributors who shared their brilliant ideas and awesome pull requests:

@ben-roling @breedx-splk @carlosalberto @giraone @jack-berg @jkwatson @jonatan-ivanov @knutwannheden @lmonkiewicz @mateuszrzeszutek @mattspataro @sno544 @sriraamas @tmccombs @trask @yunchen-myob

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