diff -Nru python-debianbts-1.11/debian/changelog python-debianbts-1.11ubuntu0.1/debian/changelog
--- python-debianbts-1.11/debian/changelog	2012-04-16 17:45:50.000000000 +0800
+++ python-debianbts-1.11ubuntu0.1/debian/changelog	2015-11-02 13:05:34.000000000 +0800
@@ -1,3 +1,9 @@
+python-debianbts (1.11ubuntu0.1) trusty-proposed; urgency=medium
+
+  * Fix the crashes on BTS query. (LP: #1512200)
+
+ -- Shih-Yuan Lee (FourDollars) <sylee@canonical.com>  Mon, 02 Nov 2015 11:58:03 +0800
+
 python-debianbts (1.11) unstable; urgency=low
 
   * Uploaded lots of changes contributed by Jari Aalto. Thank you very much
diff -Nru python-debianbts-1.11/debian/control python-debianbts-1.11ubuntu0.1/debian/control
--- python-debianbts-1.11/debian/control	2012-04-16 17:41:54.000000000 +0800
+++ python-debianbts-1.11ubuntu0.1/debian/control	2015-11-02 13:06:05.000000000 +0800
@@ -1,8 +1,9 @@
 Source: python-debianbts
 Section: python
 Priority: optional
-Maintainer: Bastian Venthur <venthur@debian.org>
-Build-Depends: debhelper (>= 9), python-support (>= 0.6), python
+Maintainer:  Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Bastian Venthur <venthur@debian.org>
+Build-Depends: debhelper (>= 9), python-support (>= 0.6), python, python-mock
 Standards-Version: 3.9.3.1
 Vcs-Git: git://github.com/venthur/python-debianbts.git
 Vcs-Browser: http://github.com/venthur/python-debianbts
diff -Nru python-debianbts-1.11/src/debianbts.py python-debianbts-1.11ubuntu0.1/src/debianbts.py
--- python-debianbts-1.11/src/debianbts.py	2011-02-24 19:05:36.000000000 +0800
+++ python-debianbts-1.11ubuntu0.1/src/debianbts.py	2015-11-02 13:05:34.000000000 +0800
@@ -27,17 +27,24 @@
 
 
 from datetime import datetime
+import os
 
 import SOAPpy
 
+# Support running from Debian infrastructure
+ca_path = '/etc/ssl/ca-debian'
+if os.path.isdir(ca_path):
+    os.environ['SSL_CERT_DIR'] = ca_path
 
 # Setup the soap server
 # TODO: recognize HTTP proxy environment variable
 # Default values
-URL = 'http://bugs.debian.org/cgi-bin/soap.cgi'
+URL = 'https://bugs.debian.org/cgi-bin/soap.cgi'
 NS = 'Debbugs/SOAP/V1'
 server = SOAPpy.SOAPProxy(URL, NS)
-BTS_URL = 'http://bugs.debian.org/'
+BTS_URL = 'https://bugs.debian.org/'
+# Max number of bugs to send in a single get_status request
+BATCH_SIZE = 500
 
 class Bugreport(object):
     """Represents a bugreport from Debian's Bug Tracking System.
@@ -156,20 +163,28 @@
         return val
 
 
-def get_status(*nr):
+def get_status(*nrs):
     """Returns a list of Bugreport objects."""
-    reply = server.get_status(*nr)
     # If we called get_status with one single bug, we get a single bug,
     # if we called it with a list of bugs, we get a list,
-    # No available bugreports returns an enmpy list
+    # No available bugreports returns an empty list
     bugs = []
-    if not reply:
-        pass
-    elif type(reply[0]) == type([]):
-        for elem in reply[0]:
-            bugs.append(_parse_status(elem))
-    else:
-        bugs.append(_parse_status(reply[0]))
+    def parse(n):
+        if not n:
+            return []
+        elif type(reply[0]) == type([]):
+            return [_parse_status(elem) for elem in reply[0]]
+        else:
+            return [_parse_status(reply[0])]
+    # Process the input in batches to avoid hitting resource limits on the BTS
+    for nr in nrs:
+        if isinstance(nr, list):
+            for i in range(0, len(nr), BATCH_SIZE):
+                reply = server.get_status(nr[i:i+BATCH_SIZE])
+                bugs.extend(parse(reply))
+        else:
+            reply = server.get_status(nr)
+            bugs.extend(parse(reply))
     return bugs
 
 
diff -Nru python-debianbts-1.11/test/test_debianbts.py python-debianbts-1.11ubuntu0.1/test/test_debianbts.py
--- python-debianbts-1.11/test/test_debianbts.py	2011-02-24 19:05:36.000000000 +0800
+++ python-debianbts-1.11ubuntu0.1/test/test_debianbts.py	2015-11-02 13:05:34.000000000 +0800
@@ -18,7 +18,12 @@
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 
+import math
 import unittest
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
 
 import debianbts as bts
 
@@ -84,6 +89,15 @@
             self.assertTrue(i.has_key("msg_num"))
             self.assertEqual(type(i["msg_num"]), type(int()))
 
+    def testStatusBatchesLargeBugCounts(self):
+        """get_status should perform requests in batches to reduce server load."""
+        with mock.patch.object(bts.server, 'get_status') as MockStatus:
+            MockStatus.return_value = None
+            nr = bts.BATCH_SIZE + 10.0
+            calls = int(math.ceil(nr / bts.BATCH_SIZE))
+            bts.get_status([722226] * int(nr))
+            self.assertEqual(MockStatus.call_count, calls)
+
     def testComparison(self):
         self.b1.archived = True
         self.b2.done = True