diff --git a/.coveragerc b/.coveragerc
index d41f9d40..92e7a178 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -8,4 +8,5 @@ omit =
 
 [report]
 exclude_lines =
+    pragma: no cover
     if __name__ == .__main__.:
diff --git a/pywb/framework/test/test_wsgi_wrapper.py b/pywb/framework/test/test_wsgi_wrapper.py
new file mode 100644
index 00000000..f3d65135
--- /dev/null
+++ b/pywb/framework/test/test_wsgi_wrapper.py
@@ -0,0 +1,58 @@
+from pywb.framework.wsgi_wrappers import init_app
+from pywb.framework.wsgi_wrappers import start_wsgi_server
+
+from pywb.utils.wbexception import AccessException
+
+import webtest
+
+class TestOkApp:
+    def __call__(self, env):
+        def response(env, start_response):
+            start_response('200 OK', [])
+            return ['Test']
+        return response
+
+class TestErrApp:
+    def __call__(self, env):
+        raise Exception('Test Error')
+
+class TestCustomErrApp:
+    def __call__(self, env):
+        raise AccessException('Forbidden Test')
+
+
+def initer(app_class):
+    def init():
+        return app_class()
+    return init
+
+def test_ok_app():
+    the_app = init_app(initer(TestOkApp), load_yaml=False)
+
+    testapp = webtest.TestApp(the_app)
+    resp = testapp.get('/')
+
+    assert resp.status_int == 200
+    assert 'Test' in resp.body
+
+def test_err_app():
+    the_app = init_app(initer(TestErrApp), load_yaml=False)
+
+    testapp = webtest.TestApp(the_app)
+    resp = testapp.get('/abc', expect_errors=True)
+
+    assert resp.status_int == 400
+    assert '400 Bad Request Error: Test Error' in resp.body
+
+def test_custom_err_app():
+    the_app = init_app(initer(TestCustomErrApp), load_yaml=False)
+
+    testapp = webtest.TestApp(the_app)
+    resp = testapp.get('/abc', expect_errors=True)
+
+    assert resp.status_int == 403
+    assert '403 Access Denied Error: Forbidden Test' in resp.body
+
+
+
+
diff --git a/pywb/framework/wbexceptions.py b/pywb/framework/wbexceptions.py
index 6d437a4e..97743f17 100644
--- a/pywb/framework/wbexceptions.py
+++ b/pywb/framework/wbexceptions.py
@@ -9,7 +9,7 @@ class NotFoundException(WbException):
 # Exceptions that effect a specific capture and result in a retry
 class CaptureException(WbException):
     def status(self):
-        return '500 Internal Server Error'
+        return '502 Internal Server Error'
 
 
 class InternalRedirect(WbException):
diff --git a/pywb/framework/wsgi_wrappers.py b/pywb/framework/wsgi_wrappers.py
index 1dd433de..1c7532ce 100644
--- a/pywb/framework/wsgi_wrappers.py
+++ b/pywb/framework/wsgi_wrappers.py
@@ -71,16 +71,20 @@ class WSGIApp(object):
             response = WbResponse(StatusAndHeaders(ir.status, ir.httpHeaders))
 
         except WbException as e:
-            response = handle_exception(env, wb_router.error_view, e, False)
+            response = handle_exception(env, wb_router, e, False)
 
         except Exception as e:
-            response = handle_exception(env, wb_router.error_view, e, True)
+            response = handle_exception(env, wb_router, e, True)
 
         return response(env, start_response)
 
 
 #=================================================================
-def handle_exception(env, error_view, exc, print_trace):
+def handle_exception(env, wb_router, exc, print_trace):
+    error_view = None
+    if hasattr(wb_router, 'error_view'):
+        error_view = wb_router.error_view
+
     if hasattr(exc, 'status'):
         status = exc.status()
     else:
@@ -138,7 +142,7 @@ def init_app(init_func, load_yaml=True, config_file=None):
 
 
 #=================================================================
-def start_wsgi_server(the_app):
+def start_wsgi_server(the_app):  # pragma: no cover
     from wsgiref.simple_server import make_server
     from optparse import OptionParser
 
@@ -149,7 +153,8 @@ def start_wsgi_server(the_app):
 
     port = options.port
 
-    port = the_app.port
+    if not port:
+        port = the_app.port
 
     if not port:
         port = DEFAULT_PORT
@@ -161,5 +166,5 @@ def start_wsgi_server(the_app):
         httpd.serve_forever()
     except KeyboardInterrupt as ex:
         pass
-
-    logging.debug('Stopping CDX Server')
+    finally:
+        logging.debug('Stopping CDX Server')
diff --git a/pywb/rewrite/rewrite_live.py b/pywb/rewrite/rewrite_live.py
index 63783234..298ebdd8 100644
--- a/pywb/rewrite/rewrite_live.py
+++ b/pywb/rewrite/rewrite_live.py
@@ -70,10 +70,10 @@ def get_rewritten(url, urlrewriter, urlkey=None, head_insert_func=None):
     return (status_headers, buff)
 
 #=================================================================
-def main():
+def main():  # pragma: no cover
     if len(sys.argv) < 2:
         print 'Usage: {0} url-to-fetch [wb-url-target] [extra-prefix]'.format(sys.argv[0])
-        exit(1)
+        return 1
     else:
         url = sys.argv[1]
 
@@ -93,8 +93,9 @@ def main():
     status_headers, buff = get_rewritten(url, urlrewriter)
 
     sys.stdout.write(buff)
+    return 0
 
 
 #=================================================================
 if __name__ == "__main__":
-    main()
+    exit(main())
diff --git a/sample_archive/zipcdx/zipnum-sample.loc b/sample_archive/zipcdx/zipnum-sample.loc
index df4f3196..8a4d1210 100644
--- a/sample_archive/zipcdx/zipnum-sample.loc
+++ b/sample_archive/zipcdx/zipnum-sample.loc
@@ -1 +1 @@
-zipnum	./sample_archive/zipcdx/zipnum-sample.cdx.gz
+zipnum	./sample_archive/x-bad-path-to-ignore-x	./sample_archive/zipcdx/zipnum-sample.cdx.gz