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authorErik Johnston <erikj@jki.re>2019-02-18 13:53:24 +0000
committerGitHub <noreply@github.com>2019-02-18 13:53:24 +0000
commitd1b060b492a57076ee93ba5b6bd0e6deccb6315b (patch)
tree4c95cbb589eb8e15fba0eecd3c5c5b0d97c5a66e /synapse/handlers
parentMerge pull request #4657 from matrix-org/travis/linda/spelling (diff)
parentNewsfile (diff)
downloadsynapse-d1b060b492a57076ee93ba5b6bd0e6deccb6315b.tar.xz
Merge pull request #4643 from matrix-org/erikj/catch_exceptions
Correctly handle RequestSendFailed exceptions
Diffstat (limited to 'synapse/handlers')
-rw-r--r--synapse/handlers/device.py4
-rw-r--r--synapse/handlers/groups_local.py12
2 files changed, 11 insertions, 5 deletions
diff --git a/synapse/handlers/device.py b/synapse/handlers/device.py
index 8955cde4ed..6eddb10e0d 100644
--- a/synapse/handlers/device.py
+++ b/synapse/handlers/device.py
@@ -20,7 +20,7 @@ from twisted.internet import defer
 
 from synapse.api import errors
 from synapse.api.constants import EventTypes
-from synapse.api.errors import FederationDeniedError
+from synapse.api.errors import FederationDeniedError, RequestSendFailed
 from synapse.types import RoomStreamToken, get_domain_from_id
 from synapse.util import stringutils
 from synapse.util.async_helpers import Linearizer
@@ -504,7 +504,7 @@ class DeviceListEduUpdater(object):
                 origin = get_domain_from_id(user_id)
                 try:
                     result = yield self.federation.query_user_devices(origin, user_id)
-                except NotRetryingDestination:
+                except (NotRetryingDestination, RequestSendFailed):
                     # TODO: Remember that we are now out of sync and try again
                     # later
                     logger.warn(
diff --git a/synapse/handlers/groups_local.py b/synapse/handlers/groups_local.py
index 173315af6c..02c508acec 100644
--- a/synapse/handlers/groups_local.py
+++ b/synapse/handlers/groups_local.py
@@ -20,7 +20,7 @@ from six import iteritems
 
 from twisted.internet import defer
 
-from synapse.api.errors import HttpResponseException, SynapseError
+from synapse.api.errors import HttpResponseException, RequestSendFailed, SynapseError
 from synapse.types import get_domain_from_id
 
 logger = logging.getLogger(__name__)
@@ -46,13 +46,19 @@ def _create_rerouter(func_name):
             # when the remote end responds with things like 403 Not
             # In Group, we can communicate that to the client instead
             # of a 500.
-            def h(failure):
+            def http_response_errback(failure):
                 failure.trap(HttpResponseException)
                 e = failure.value
                 if e.code == 403:
                     raise e.to_synapse_error()
                 return failure
-            d.addErrback(h)
+
+            def request_failed_errback(failure):
+                failure.trap(RequestSendFailed)
+                raise SynapseError(502, "Failed to contact group server")
+
+            d.addErrback(http_response_errback)
+            d.addErrback(request_failed_errback)
             return d
     return f