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I’m debugging some code that was written using java.net.HttpURLConnection. I’d like to set a property to enable logging of HTTP Request and Response headers as is possible in the Apache HTTP Components library with the org.apache.http.headers category.
Is this possible with HttpURLConnection? Do I need to breakout Charles Proxy or Wireshark?
According to Sun’s HttpURLConnection source there is some logging support via JUL.
This would require setting up java.util.logging with
sun.net.www.protocol.http.HttpURLConnection.level=ALL.See http://www.rgagnon.com/javadetails/java-debug-HttpURLConnection-problem.html for example.
There is also system property
-Djavax.net.debug=all. But it’s mainly useful for SSL debugging.BTW, Wireshark is also a rather easy option.