diff --git a/Lib/logging/handlers.py b/Lib/logging/handlers.py
index 603a534..0086808 100644
--- a/Lib/logging/handlers.py
+++ b/Lib/logging/handlers.py
@@ -29,7 +29,7 @@
 import queue
 try:
     import threading
-except ImportError:
+except ImportError: #pragma: no cover
     threading = None
 
 try:
@@ -1044,7 +1044,9 @@
                 s = ('u%s:%s' % self.credentials).encode('utf-8')
                 s = 'Basic ' + base64.b64encode(s).strip()
                 h.putheader('Authorization', s)
-            h.endheaders(data if self.method == "POST" else None)
+            h.endheaders()
+            if self.method == "POST":
+                h.send(data.encode('utf-8'))
             h.getresponse()    #can't do anything with the result
         except (KeyboardInterrupt, SystemExit): #pragma: no cover
             raise
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index bf0ad77..2e6de4c 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -1464,22 +1464,34 @@
             BaseTest.tearDown(self)
 
     def handle_request(self, request):
+        self.command = request.command
         self.log_data = urlparse(request.path)
+        if self.command == 'POST':
+            try:
+                rlen = int(request.headers['Content-Length'])
+                self.post_data = request.rfile.read(rlen)
+            except:
+                self.post_data = None
         request.send_response(200)
         self.handled.set()
 
     def test_output(self):
         # The log message sent to the SysLogHandler is properly received.
         logger = logging.getLogger("http")
-        msg = "sp\xe4m"
-        logger.error(msg)
-        self.handled.wait()
-        self.assertEqual(self.log_data.path, '/frob')
-        d = parse_qs(self.log_data.query)
-        self.assertEqual(d['name'], ['http'])
-        self.assertEqual(d['funcName'], ['test_output'])
-        self.assertEqual(d['msg'], [msg])
-
+        for method in ('GET', 'POST'):
+            self.h_hdlr.method = method
+            msg = "sp\xe4m"
+            logger.error(msg)
+            self.handled.wait()
+            self.assertEqual(self.log_data.path, '/frob')
+            self.assertEqual(self.command, method)
+            if method == 'GET':
+                d = parse_qs(self.log_data.query)
+            else:
+                d = parse_qs(self.post_data.decode('utf-8'))
+            self.assertEqual(d['name'], ['http'])
+            self.assertEqual(d['funcName'], ['test_output'])
+            self.assertEqual(d['msg'], [msg])
 
 class MemoryTest(BaseTest):
 
@@ -3470,7 +3482,8 @@
 class TimedRotatingFileHandlerTest(BaseFileTest):
     # other test methods added below
     def test_rollover(self):
-        fh = logging.handlers.TimedRotatingFileHandler(self.fn, 'S')
+        fh = logging.handlers.TimedRotatingFileHandler(self.fn, 'S',
+                                                       backupCount=1)
         r = logging.makeLogRecord({'msg': 'testing'})
         fh.emit(r)
         self.assertLogFile(self.fn)
@@ -3481,6 +3494,15 @@
         suffix = prevsec.strftime(".%Y-%m-%d_%H-%M-%S")
         self.assertLogFile(self.fn + suffix)
 
+    def test_invalid(self):
+        assertRaises = self.assertRaises
+        assertRaises(ValueError, logging.handlers.TimedRotatingFileHandler,
+                     self.fn, 'X')
+        assertRaises(ValueError, logging.handlers.TimedRotatingFileHandler,
+                     self.fn, 'W')
+        assertRaises(ValueError, logging.handlers.TimedRotatingFileHandler,
+                     self.fn, 'W7')
+
 def secs(**kw):
     return datetime.timedelta(**kw) // datetime.timedelta(seconds=1)