Ekaterina Dimitrova created CASSANDRA-15614:
-----------------------------------------------
Summary: Flakey test - TestBootstrap.test_resumable_bootstrap
Key: CASSANDRA-15614
URL: https://issues.apache.org/jira/browse/CASSANDRA-15614
Project: Cassandra
Issue Type: Bug
Reporter: Ekaterina Dimitrova
Fails 2 out of 10 times on Mac/Java 8
==================================================================================================================
FAILURES
==================================================================================================================
*___________________________________________________________________________________________________
TestBootstrap.test_resumable_bootstrap
___________________________________________________________________________________________________*
self = <bootstrap_test.TestBootstrap object at 0x10fd488d0>
*@since('2.2')*
*def test_resumable_bootstrap(self):*
*"""*
*Test resuming bootstrap after data streaming failure*
*"""*
*cluster = self.cluster*
*cluster.populate(2)*
**
*node1 = cluster.nodes['node1']*
*# set up byteman*
*node1.byteman_port = '8100'*
*node1.import_config_files()*
**
*cluster.start(wait_other_notice=True)*
*# kill stream to node3 in the middle of streaming to let it fail*
*if cluster.version() < '4.0':*
*node1.byteman_submit([self.byteman_submit_path_pre_4_0])*
*else:*
*node1.byteman_submit([self.byteman_submit_path_4_0])*
*node1.stress(['write', 'n=1K', 'no-warmup', 'cl=TWO', '-schema',
'replication(factor=2)', '-rate', 'threads=50'])*
*cluster.flush()*
**
*# start bootstrapping node3 and wait for streaming*
*node3 = new_node(cluster)*
*node3.start(wait_other_notice=False)*
**
*# let streaming fail as we expect*
*> node3.watch_log_for('Some data streaming failed')*
*bootstrap_test.py*:365:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self = <ccmlib.node.Node object at 0x10fdf1810>, exprs = 'Some data streaming
failed', from_mark = None, timeout = 600, process = None, verbose = False,
filename = 'system.log'
*def watch_log_for(self, exprs, from_mark=None, timeout=600, process=None,
verbose=False, filename='system.log'):*
*"""*
*Watch the log until one or more (regular) expression are found.*
*This methods when all the expressions have been found or the
method*
*timeouts (a TimeoutError is then raised). On successful
completion,*
*a list of pair (line matched, match object) is returned.*
*"""*
*start = time.time()*
*tofind = [exprs] if isinstance(exprs, string_types) else exprs*
*tofind = [re.compile(e) for e in tofind]*
*matchings = []*
*reads = ""*
*if len(tofind) == 0:*
*return None*
**
*log_file = os.path.join(self.get_path(), 'logs', filename)*
*output_read = False*
*while not os.path.exists(log_file):*
*time.sleep(.5)*
*if start + timeout < time.time():*
*raise TimeoutError(time.strftime("%d %b %Y %H:%M:%S",
time.gmtime()) + " [" + self.name + "] Timed out waiting for {} to be
created.".format(log_file))*
*if process and not output_read:*
*process.poll()*
*if process.returncode is not None:*
*self.print_process_output(self.name, process, verbose)*
*output_read = True*
*if process.returncode != 0:*
*raise RuntimeError() # Shouldn't reuse RuntimeError
but I'm lazy*
**
*with open(log_file) as f:*
*if from_mark:*
*f.seek(from_mark)*
**
*while True:*
*# First, if we have a process to check, then check it.*
*# Skip on Windows - stdout/stderr is cassandra.bat*
*if not common.is_win() and not output_read:*
*if process:*
*process.poll()*
*if process.returncode is not None:*
*self.print_process_output(self.name, process,
verbose)*
*output_read = True*
*if process.returncode != 0:*
*raise RuntimeError() # Shouldn't reuse
RuntimeError but I'm lazy*
**
*line = f.readline()*
*if line:*
*reads = reads + line*
*for e in tofind:*
*m = e.search(line)*
*if m:*
*matchings.append((line, m))*
*tofind.remove(e)*
*if len(tofind) == 0:*
*return matchings[0] if isinstance(exprs,
string_types) else matchings*
*else:*
*# yep, it's ugly*
*time.sleep(1)*
*if start + timeout < time.time():*
*> raise TimeoutError(time.strftime("%d %b %Y %H:%M:%S",
time.gmtime()) + " [" + self.name + "] Missing: " + str([e.pattern for e in
tofind]) + ":\n" + reads[:50] + ".....\nSee {} for remainder".format(filename))*
*E ccmlib.node.TimeoutError: 02 Mar 2020 17:16:34 [node3]
Missing: ['Some data streaming failed']:*
*E INFO [main] 2020-03-02 12:06:34,963
YamlConfigura.....*
*E See system.log for remainder*
*../../dtest-new2/src/ccm/ccmlib/node.py*:536: TimeoutError
-----------------------------------------------------------------------------------------------------------
Captured stdout setup
------------------------------------------------------------------------------------------------------------
11:55:37,343 ccm DEBUG Log-watching thread starting.
-------------------------------------------------------------------------------------------------------------
Captured log setup
-------------------------------------------------------------------------------------------------------------
11:55:37,239 conftest INFO Starting execution of test_resumable_bootstrap at
2020-03-02 11:55:37.239467
11:55:37,240 dtest_setup INFO cluster ccm directory:
/var/folders/ql/nvcz74bd67d3vhw7227mpjm40000gp/T/dtest-fzxwwt9c
------------------------------------------------------------------------------------------------------------
Captured stdout call
------------------------------------------------------------------------------------------------------------
install rule inject stream failure
----------------------------------------------------------------------------------------------------------
Captured stdout teardown
----------------------------------------------------------------------------------------------------------
12:06:04,870 ccm DEBUG Log-watching thread exiting.
-----------------------------------------------------------------------------------------------------------
Captured stdout setup
------------------------------------------------------------------------------------------------------------
12:06:06,20 ccm DEBUG Log-watching thread starting.
-------------------------------------------------------------------------------------------------------------
Captured log setup
-------------------------------------------------------------------------------------------------------------
12:06:05,887 conftest INFO Starting execution of test_resumable_bootstrap at
2020-03-02 12:06:05.887592
12:06:05,888 dtest_setup INFO cluster ccm directory:
/var/folders/ql/nvcz74bd67d3vhw7227mpjm40000gp/T/dtest-yntcltkx
------------------------------------------------------------------------------------------------------------
Captured stdout call
------------------------------------------------------------------------------------------------------------
install rule inject stream failure
----------------------------------------------------------------------------------------------------------
Captured stdout teardown
----------------------------------------------------------------------------------------------------------
12:06:04,870 ccm DEBUG Log-watching thread exiting.
----------------------------------------------------------------------------------------------------------
Captured stdout teardown
----------------------------------------------------------------------------------------------------------
12:06:04,870 ccm DEBUG Log-watching thread exiting.
----------------------------------------------------------------------------------------------------------
Captured stdout teardown
----------------------------------------------------------------------------------------------------------
12:16:34,818 ccm DEBUG Log-watching thread exiting.
===Flaky Test Report===
test_resumable_bootstrap failed (1 runs remaining out of 2).
<class 'ccmlib.node.TimeoutError'>
02 Mar 2020 17:06:04 [node3] Missing: ['Some data streaming failed']:
INFO [main] 2020-03-02 11:56:05,081 YamlConfigura.....
See system.log for remainder
[<TracebackEntry
/Users/ekaterina.dimitri/IdeaProjects/cassandra-dtest-d/bootstrap_test.py:365>,
<TracebackEntry /Users/ekaterina.dimitri/dtest-new2/src/ccm/ccmlib/node.py:536>]
test_resumable_bootstrap failed; it passed 0 out of the required 1 times.
<class 'ccmlib.node.TimeoutError'>
02 Mar 2020 17:16:34 [node3] Missing: ['Some data streaming failed']:
INFO [main] 2020-03-02 12:06:34,963 YamlConfigura.....
See system.log for remainder
[<TracebackEntry
/Users/ekaterina.dimitri/IdeaProjects/cassandra-dtest-d/bootstrap_test.py:365>,
<TracebackEntry /Users/ekaterina.dimitri/dtest-new2/src/ccm/ccmlib/node.py:536>]
===End Flaky Test Report===
*========================================================================================================
1 failed in 1258.32 seconds
=========================================================================================================*
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