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https://issues.apache.org/jira/browse/ZOOKEEPER-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857744#action_12857744
 ] 

Josh Fraser commented on ZOOKEEPER-742:
---------------------------------------

  4088] futex(0xdcc3e78, FUTEX_WAKE_PRIVATE, 1) = 0
[pid  4088] write(1, "('/audubon/group/pod/twitter1/me"..., 
65('/audubon/group/pod/twitter1/members/sjc1a003.twitter.com', '')
) = 65
[pid  4088] write(4, "\0", 1)           = 1
[pid  4089] <... poll resumed> )        = 1 ([{fd=3, revents=POLLIN}])
[pid  4088] futex(0xdcc3e4c, FUTEX_WAIT_PRIVATE, 1, NULL <unfinished ...>
[pid  4089] read(3, "\0", 128)          = 1
[pid  4089] poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN|POLLOUT}], 2, 
3332) = 1 ([{fd=5, revents=POLLOUT}])
[pid  4089] sendto(5, "\0\0\0E", 4, 0, NULL, 0) = 4
[pid  4089] sendto(5, "K\310=\314\0\0\0\3\0\0\0008/audubon/group/pod/t"..., 69, 
0, NULL, 0) = 69
[pid  4089] poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 3333) = 1 
([{fd=5, revents=POLLIN}])
[pid  4089] recvfrom(5, "\0\0\0\20", 4, 0, NULL, NULL) = 4
[pid  4089] recvfrom(5, 
"K\310=\314\377\377\377\377\377\377\377\377\377\377\377\233", 16, 0, NULL, 
NULL) = 16
[pid  4089] futex(0xdcc3e4c, FUTEX_CMP_REQUEUE_PRIVATE, 1, 2147483647, 
0xdcc3e78, 2) = 1
[pid  4088] <... futex resumed> )       = 0
[pid  4089] poll([{fd=3, events=POLLIN}, {fd=5, events=POLLIN}], 2, 3333 
<unfinished ...>
[pid  4088] futex(0xdcc3e78, FUTEX_WAKE_PRIVATE, 1) = 0
[pid  4088] write(2, "Fatal Python error: deallocating"..., 38Fatal Python 
error: deallocating None
) = 38
[pid  4088] rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
[pid  4088] tgkill(4088, 4088, SIGABRT) = 0
[pid  4088] --- SIGABRT (Aborted) @ 0 (0) ---
upeek: ptrace(PTRACE_PEEKUSER,4089,120,0): No such process
Process 4089 detached
[pid  4090] +++ killed by SIGABRT +++


> Deallocatng None on writes
> --------------------------
>
>                 Key: ZOOKEEPER-742
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-742
>             Project: Zookeeper
>          Issue Type: Bug
>          Components: c client, contrib, contrib-bindings
>    Affects Versions: 3.2.2, 3.3.0
>         Environment: Redhat Enterprise 5.4 (python 2.4.3), Mac OS X 10.5.8 
> (python 2.5.1)
>            Reporter: Josh Fraser
>            Assignee: Henry Robinson
>         Attachments: commands.py, foo.p, ZOOKEEPER-742.patch
>
>
> On write operations, getting:
> Fatal Python error: deallocating None
> Aborted
> This error happens on write operations only.  Here's the backtrace:
> Fatal Python error: deallocating None
> Program received signal SIGABRT, Aborted.
> 0x000000383fc30215 in raise () from /lib64/libc.so.6
> (gdb) bt
> #0  0x000000383fc30215 in raise () from /lib64/libc.so.6
> #1  0x000000383fc31cc0 in abort () from /lib64/libc.so.6
> #2  0x00002adbd0be8189 in Py_FatalError () from /usr/lib64/libpython2.4.so.1.0
> #3  0x00002adbd0bc7493 in PyEval_EvalFrame () from 
> /usr/lib64/libpython2.4.so.1.0
> #4  0x00002adbd0bcab66 in PyEval_EvalFrame () from 
> /usr/lib64/libpython2.4.so.1.0
> #5  0x00002adbd0bcbfe5 in PyEval_EvalCodeEx () from 
> /usr/lib64/libpython2.4.so.1.0
> #6  0x00002adbd0bcc032 in PyEval_EvalCode () from 
> /usr/lib64/libpython2.4.so.1.0
> #7  0x00002adbd0be8729 in ?? () from /usr/lib64/libpython2.4.so.1.0
> #8  0x00002adbd0be9bd8 in PyRun_SimpleFileExFlags () from 
> /usr/lib64/libpython2.4.so.1.0
> #9  0x00002adbd0bf000d in Py_Main () from /usr/lib64/libpython2.4.so.1.0
> #10 0x000000383fc1d974 in __libc_start_main () from /lib64/libc.so.6
> #11 0x0000000000400629 in _start ()

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