debugging failing test

Author: keelerm84

spec/http_util.rb

@@ -24,6 +24,12 @@ def initialize(enable_compression: false)
     rescue Errno::EADDRINUSE
       @port = StubHTTPServer.next_port
       retry
+    rescue Errno::EACCES => e
+      warn "DIAGNOSTIC: Failed to bind to 127.0.0.1:#{@port}"
+      warn "DIAGNOSTIC: Platform: #{RUBY_PLATFORM}"
+      warn "DIAGNOSTIC: Ruby version: #{RUBY_VERSION}"
+      warn "DIAGNOSTIC: This likely indicates Windows Firewall, antivirus, or permission issues"
+      raise "Port binding failed - likely Windows Firewall/AV issue: #{e.message}"
     end
     @requests = []
     @requests_queue = Queue.new
@@ -36,7 +42,12 @@ def self.next_port
   end
 
   def create_server(port, base_opts)
-    WEBrick::HTTPServer.new(base_opts)
+    # Use port 0 to let the OS assign an available port (more reliable on Windows)
+    base_opts[:Port] = 0
+    server = WEBrick::HTTPServer.new(base_opts)
+    # Update @port with the actual port assigned by the OS
+    @port = server.config[:Port]
+    server
   end
 
   def start