def getAggregatedError(self, project, environment, server, backtraceText, errorHash, message, timestamp):
"""Gets (and updates) the error matching the given report, or None if no matching error is found."""
error = None
key = '%s|%s' % (project, errorHash)
serialized = memcache.get(key)
if serialized:
error = db.model_from_protobuf(serialized)
else:
q = LoggedError.all()
q.filter('project =', project)
q.filter('hash =', errorHash)
q.filter('active =', True)
for possibility in q:
if backtrace.normalizeBacktrace(possibility.backtrace) == backtrace.normalizeBacktrace(backtraceText):
error = possibility
break
if error:
error.count += 1
error.firstOccurrence = min(error.firstOccurrence, timestamp)
if timestamp > error.lastOccurrence:
error.lastOccurrence = timestamp
error.backtrace = backtraceText
error.lastMessage = message[:300]
if environment not in error.environments:
error.environments.append(environment)
if server not in error.servers:
error.servers.append(server)
error.put()
memcache.set(key, db.model_to_protobuf(error))
return error
def testSlightlyDifferentInvokes(self):
"""Test that slightly different reflection based invocations lead to the same result."""
differentMessage = EXAMPLE.replace('24.invoke', '24.invoke0')
self.assertEquals(backtrace.normalizeBacktrace(EXAMPLE), backtrace.normalizeBacktrace(differentMessage))
differentError = EXAMPLE.replace('.method4', '.methodNot4AtAll')
self.assertNotEquals(backtrace.normalizeBacktrace(EXAMPLE), backtrace.normalizeBacktrace(differentError))
def testPythonCauseMessage(self):
"""Test that cause messages are removed for Python."""
differentMessage = PYTHON_EXAMPLE.replace('HTTP 599', 'HTTP 404')
self.assertEquals(backtrace.normalizeBacktrace(PYTHON_EXAMPLE), backtrace.normalizeBacktrace(differentMessage))
differentMessage = PYTHON_EXAMPLE.replace('HttpException:', 'OtherException:')
self.assertNotEquals(backtrace.normalizeBacktrace(PYTHON_EXAMPLE), backtrace.normalizeBacktrace(differentMessage))
def testRemoveCauseMessage(self):
"""Test that cause messages are removed."""
differentMessage = EXAMPLE.replace('12345', '23456')
self.assertEquals(backtrace.normalizeBacktrace(EXAMPLE), backtrace.normalizeBacktrace(differentMessage))
differentError = EXAMPLE.replace('SomeClass', 'SomeOtherClass')
self.assertNotEquals(backtrace.normalizeBacktrace(EXAMPLE), backtrace.normalizeBacktrace(differentError))
def testObjectiveCAddresses(self):
"""Test that addresses are removed for Objective C."""
self.assertEquals(
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE),
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE_SAME))
self.assertNotEquals(
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE),
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE_NOT_SAME))
def testSlightlyDifferentInvokes(self):
"""Test that slightly different reflection based invocations lead to the same result."""
differentMessage = EXAMPLE.replace('24.invoke', '24.invoke0')
self.assertEquals(backtrace.normalizeBacktrace(EXAMPLE),
backtrace.normalizeBacktrace(differentMessage))
differentError = EXAMPLE.replace('.method4', '.methodNot4AtAll')
self.assertNotEquals(backtrace.normalizeBacktrace(EXAMPLE),
backtrace.normalizeBacktrace(differentError))
def testRemoveCauseMessage(self):
"""Test that cause messages are removed."""
differentMessage = EXAMPLE.replace('12345', '23456')
self.assertEquals(backtrace.normalizeBacktrace(EXAMPLE),
backtrace.normalizeBacktrace(differentMessage))
differentError = EXAMPLE.replace('SomeClass', 'SomeOtherClass')
self.assertNotEquals(backtrace.normalizeBacktrace(EXAMPLE),
backtrace.normalizeBacktrace(differentError))
def testPythonCauseMessage(self):
"""Test that cause messages are removed for Python."""
differentMessage = PYTHON_EXAMPLE.replace('HTTP 599', 'HTTP 404')
self.assertEquals(backtrace.normalizeBacktrace(PYTHON_EXAMPLE),
backtrace.normalizeBacktrace(differentMessage))
differentMessage = PYTHON_EXAMPLE.replace('HttpException:',
'OtherException:')
self.assertNotEquals(backtrace.normalizeBacktrace(PYTHON_EXAMPLE),
backtrace.normalizeBacktrace(differentMessage))
def generateHash(exceptionType, backtraceText):
"""Generates a hash for the given exception type and backtrace."""
hasher = hashlib.md5()
if exceptionType:
hasher.update(exceptionType.encode('utf-8'))
if backtraceText:
hasher.update(backtrace.normalizeBacktrace(backtraceText.encode('utf-8')))
return hasher.hexdigest()
def generateHash(exceptionType, backtraceText):
"""Generates a hash for the given exception type and backtrace."""
hasher = hashlib.md5()
if exceptionType:
hasher.update(exceptionType.encode("utf-8"))
if backtraceText:
hasher.update(backtrace.normalizeBacktrace(backtraceText.encode("utf-8")))
return hasher.hexdigest()
def getAggregatedError(project, environment, server, backtraceText, errorHash,
message, timestamp):
"""Gets (and updates) the error matching the given report, or None if no matching error is found."""
error = None
project = getProject(project)
key = '%s|%s' % (project, errorHash)
serialized = memcache.get(key)
if serialized:
error = db.model_from_protobuf(serialized)
else:
q = LoggedErrorV2.all().ancestor(project).filter('hash =',
errorHash).filter(
'active =', True)
for possibility in q:
if backtrace.normalizeBacktrace(
possibility.backtrace) == backtrace.normalizeBacktrace(
backtraceText):
error = possibility
break
if error:
error.count += 1
error.firstOccurrence = min(error.firstOccurrence, timestamp)
if timestamp > error.lastOccurrence:
error.lastOccurrence = timestamp
error.backtrace = backtraceText
error.lastMessage = message[:300]
if environment not in error.environments:
error.environments.append(environment)
if server not in error.servers:
error.servers.append(server)
error.put()
memcache.set(key, db.model_to_protobuf(error))
return error
def testObjectiveCAddresses(self):
"""Test that addresses are removed for Objective C."""
self.assertEquals(backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE),
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE_SAME))
self.assertNotEquals(backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE),
backtrace.normalizeBacktrace(OBJECTIVE_C_EXAMPLE_NOT_SAME))
