HTTP Client

Starting with JDK 11, Java provides a new API for performing HTTP requests, the HttpClient API

Debugging

Debug logs can be enabled by setting various system properties.

• -Djdk.httpclient.HttpClient.log=all: general debugging log from the HTTP client.

• -Djdk.internal.httpclient.debug=true: more internal specific debug logs.

• -Djavax.net.debug=ssl,keymanager: selectively enable logs in java networking.

• -Djavax.net.debug=all: enable debugging all details for network connections.

• -Djavax.net.debug=help: get help about the logging options

-Djdk.httpclient.HttpClient.log=all -Djdk.internal.httpclient.debug=true