Commit 593c9745 authored by Tres Seaver's avatar Tres Seaver

Merge pull request #18 from zopefoundation/16-fix_leak_w_broken_EndRequestEvent_subscriber-2.13

Prevent leaked connections when broken 'EndRequestEvent' subscribers raise
parents 664186db 176325b3
......@@ -8,6 +8,9 @@ http://docs.zope.org/zope2/
2.13.23 (unreleased)
--------------------
- Issue #16: prevent leaked connections when broken ``EndRequestEvent``
subscribers raise exceptions.
- LP #1387225: Zope 2.13.x w/ zope.browserpage 4.x doesn't start.
- LP #1387138: Zope 2.13.x w/ zope.pagetemplate 4.x doesn't start.
......
......@@ -215,7 +215,9 @@ class BaseRequest:
self._held=None
def close(self):
try:
notify(EndRequestEvent(None, self))
finally:
# subscribers might need the zodb, so `clear` must come afterwards
# (since `self._held=None` might close the connection, see above)
self.clear()
......
......@@ -424,6 +424,22 @@ class TestBaseRequest(unittest.TestCase, BaseRequest_factory):
r = self._makeOne(root)
self.assertRaises(NotFound, r.traverse, 'folder/simpleFrozenSet')
def test_close_w_broken_subscriber(self):
# See: https://github.com/zopefoundation/Zope/issues/16
from zope.event import subscribers
root, folder = self._makeRootAndFolder()
r = self._makeOne(root)
r.other['foo'] = 'Foo'
BEFORE = subscribers[:]
def _broken(event):
raise ValueError("I'm broken")
subscribers.append(_broken)
try:
self.assertRaises(ValueError, r.close)
finally:
subscribers[:] = BEFORE
self.assertEqual(r.other, {})
def test_hold_after_close(self):
# Request should no longer accept holds after it has been closed
root, folder = self._makeRootAndFolder()
......
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