Update README to mention jaeger-thrift exporter support. (#1882)

README.md

@@ -110,12 +110,22 @@ to the OpenTelemetry Resource ([see below](#opentelemetry-resource)), e.g. `OTEL
 
 ##### Jaeger exporter
 
-A simple wrapper for the Jaeger exporter of opentelemetry-java. gRPC is currently the only supported communications protocol.
+A simple wrapper for the Jaeger exporter of opentelemetry-java. This exporter uses gRPC for its communications protocol.
 
-| System property | Environment variable | Description  |
+| System property | Environment variable | Description |
 |-----------------------------------|-----------------------------------|----------------------------------------------------------------------------------------------------|
-| otel.exporter=jaeger | OTEL_EXPORTER=jaeger | Select the Jaeger exporter |
-| otel.exporter.jaeger.endpoint | OTEL_EXPORTER_JAEGER_ENDPOINT | The Jaeger endpoint to connect to. Default is `localhost:14250`. Currently only gRPC is supported. |
+| otel.exporter=jaeger | OTEL_EXPORTER=jaeger | Select the Jaeger exporter |
+| otel.exporter.jaeger.endpoint | OTEL_EXPORTER_JAEGER_ENDPOINT | The Jaeger gRPC endpoint to connect to. Default is `localhost:14250`. |
+| otel.exporter.jaeger.service.name | OTEL_EXPORTER_JAEGER_SERVICE_NAME | The service name of this JVM instance. Default is `unknown`. |
+
+##### Jaeger Thrift over HTTP exporter
+
+A simple wrapper for the Jaeger exporter, but using Thrift encoded payloads over HTTP.
+
+| System property | Environment variable | Description |
+|-----------------------------------|-----------------------------------|----------------------------------------------------------------------------------------------------|
+| otel.exporter=jaeger-thrift | OTEL_EXPORTER=jaeger-thrift | Select the Jaeger HTTP Thrift exporter |
+| otel.exporter.jaeger.endpoint | OTEL_EXPORTER_JAEGER_ENDPOINT | The Jaeger HTTP endpoint to send thrift data to. Default is `http:https://localhost:14268/api/traces`. |
 | otel.exporter.jaeger.service.name | OTEL_EXPORTER_JAEGER_SERVICE_NAME | The service name of this JVM instance. Default is `unknown`. |
 
 ##### Zipkin exporter