Best-of-breed OpenTracing utilities, instrumentations and extensions
Full Changelog: https://github.com/zalando/opentracing-toolbox/compare/4.2.2...4.2.4
make proxy span compatible with opentracing shim (another bug that was not crashing the application, but operation name renaming to snake case didn't work)
Fixes 4.2.1, which unintentionally changed the behavior of Flow.currentId.
Preserve the old behavior of Flow.currentId - but deprecate it This fixes compatibility issues with libraries that depend on currentId throwing exceptions
flow-id: prevent exception when a span is not present - usually because the filters are installed in the wrong order. Tracing tools must never cause the application to fail.
make proxy span compatible with opentracing shim