No way is not bad practice IMHO screen is a great tool. So we can exclude the problem of stdout buffer full. Seems something low level.
Is the client doing concurrent queries? mic 2011/9/27 Phyo Arkar <phyo.arkarl...@gmail.com>: > Web2py is ran inside screen. coz my app is not production-stable yet > and want to debug. I print out some debug messages and can track back > inside screen (i know i know , its bad practice :D) > > may be coz of that? > > On 9/27/11, Michele Comitini <michele.comit...@gmail.com> wrote: >> I would begin to remove possible environmental causes... ;) >> Other questions: >> 4) Do you run web2py.py attached to a tty? >> 5) Do you redirect standard output from web2py or leave it on the tty? >> >> The questions are because I see some print statements that could hang >> IO on a thread if the web2py process is not properly detached from the >> terminal. >> If that is the case use nohup and try to see what happens. >> >> wrong: >> $ python web2py.py <options> & >> >> right: >> $ nohup python web2py.py <options> & >> >> If nothing changes... well... other questions! >> >> >> mic >> >> 2011/9/27 Phyo Arkar <phyo.arkarl...@gmail.com>: >>> It cannot be reproduced .. >>> >>> On 9/27/11, Phyo Arkar <phyo.arkarl...@gmail.com> wrote: >>>> its not the same warning notices , client recieves 0 byte and timed >>>> out at brower side looking at firebug. >>>> >>>> On 9/27/11, Massimo Di Pierro <massimo.dipie...@gmail.com> wrote: >>>>> Other than the error, do you see wrong behavior from the browser? >>>>> I do not not believe that there is anything wrong as we ship the >>>>> "official" rocket. We are just printing an exception that before was >>>>> being ignored. >>>>> >>>>> Massimo >>>>> >>>>> On Sep 26, 2:47 pm, Phyo Arkar <phyo.arkarl...@gmail.com> wrote: >>>>>> Hello Web2py. >>>>>> >>>>>> Rocket server was very well stable for me until today , after 2 >>>>>> weeks of update and while testing usual Json output which was never >>>>>> changed and working fine fore 8 months. >>>>>> >>>>>> This happens! >>>>>> >>>>>> ERROR:Rocket.Errors.Thread-6:Unhandled Error when serving connection: >>>>>> Traceback (most recent call last): >>>>>> >>>>>> File "/root/web2py/gluon/rocket.py", line 1064, in run >>>>>> self.run_app(conn) >>>>>> >>>>>> File "/root/web2py/gluon/rocket.py", line 1552, in run_app >>>>>> self.write(data, sections) >>>>>> >>>>>> File "/root/web2py/gluon/rocket.py", line 1472, in write >>>>>> self.send_headers(data, sections) >>>>>> >>>>>> File "/root/web2py/gluon/rocket.py", line 1456, in send_headers >>>>>> self.conn.sendall(b(header_data)) >>>>>> >>>>>> File "/usr/lib/python2.7/socket.py", line 224, in meth >>>>>> return getattr(self._sock,name)(*args) >>>>>> >>>>>> error: [Errno 32] Broken pipe >>>>>> >>>>>> and it is on and off randomly. >>>>>> >>>>>> Why? >>>>>> >>>>>> heres my Json Controller : >>>>>> >>>>>> def rows(): >>>>>> >>>>>> if REQUEST.vars.db_name: >>>>>> casesdb = DAL( 'mysql://root@localhost/' + >>>>>> REQUEST.vars.db_name ) >>>>>> casesdb.define_table( 'email_data', migrate = False, >>>>>> *email_halfschema ) >>>>>> casesdb.define_table( 'loosefile_data', migrate = >>>>>> False, >>>>>> *file_halfschema ) >>>>>> casesdb.define_table( 'attach_data', migrate = False, >>>>>> *file_halfschema ) >>>>>> elif SESSION.db_name: >>>>>> casesdb = DAL( 'mysql://root@localhost/' + >>>>>> SESSION.db_name >>>>>> ) >>>>>> casesdb.define_table( 'email_data', migrate = False, >>>>>> *email_halfschema ) >>>>>> casesdb.define_table( 'loosefile_data', migrate = >>>>>> False, >>>>>> *file_halfschema ) >>>>>> casesdb.define_table( 'attach_data', migrate = False, >>>>>> *file_halfschema ) >>>>>> >>>>>> fields = ['id', 'filePath', 'fileName', 'cus', 'sentto',\ >>>>>> 'emailFrom', 'subject', 'cc', 'bcc', >>>>>> 'extracted', >>>>>> 'hdrs',\ >>>>>> >>>>>> >>>>>> 'DateTime','OriginalDateTime','TimeZone','reply_to',"master",'duplicated',' >>>>>> MD5Hash','msgID','fqdn'] >>>>>> rows = [] >>>>>> page = int( request.vars.page ) >>>>>> >>>>>> max = request.vars.totalrows >>>>>> if max: >>>>>> pagesize = int( max ) >>>>>> else: >>>>>> pagesize = int( request.vars.rows ) >>>>>> print pagesize >>>>>> limitby = ( page * pagesize - pagesize, page * pagesize ) >>>>>> # limitby = ( 1, 25 ) >>>>>> print "str( page * pagesize - pagesize )" + str( page * >>>>>> pagesize >>>>>> - >>>>>> pagesize ) + " limitby " + str( page * pagesize ) >>>>>> # orderby = request.vars.sidx >>>>>> orderby = casesdb.email_data[request.vars.sidx] >>>>>> print orderby >>>>>> if request.vars.sord == 'desc': >>>>>> orderby = ~orderby >>>>>> >>>>>> query = casesdb.email_data.id > 0 >>>>>> >>>>>> for r in casesdb( query ).select( orderby = orderby, limitby = >>>>>> limitby ): >>>>>> vals = [] >>>>>> for f in fields: >>>>>> if f == 'extracted': >>>>>> vals.append( _sentisize(r[f]) ) >>>>>> else : >>>>>> vals.append( r[f] ) >>>>>> rows.append( dict( id = r.id, cell = vals ) ) >>>>>> >>>>>> total = casesdb( query ).count() >>>>>> print total >>>>>> if total % pagesize >0: >>>>>> pages = int( total / pagesize ) +1 >>>>>> else: >>>>>> pages = int( total / pagesize ) >>>>>> #if total % pagesize == 0: pages -= 1 >>>>>> data = dict( total = pages, page = page, rows = rows ) >>>>>> return data >>>> >>> >> >
