Re: [WebDNA] An unknown error occured // Deadlock avoided
This WebDNA talk-list message is from 2011
It keeps the original formatting.
numero = 106871
interpreted = N
texte = Chris,=20 I am not sure what you are saying. ..that one cannot write to a db if it is already open? That of course = does not make sense; as if we have to [closedatabase..] before every = write operation? I thought the below error would only occur when [ExclusiveLock...] = failed to get an ExclusiveLock. (?) Tommy,=20 does your code anywhere use [ExclusiveLock...]? -Govinda On 2011-07-08, at 3:59 PM, christophe.billiottet@webdna.us wrote: > The lock might happens on Windows when WebDNA is trying to write to a = database that is already written to. Are you reopening a database that = is already opened? Does it only deadlock under heavy traffic to the = site? >=20 > - chris >=20 >=20 >=20 > On Jul 6, 2011, at 16:10, Tommy Bell wrote: >=20 >> Hello everyone, a few days ago a post was made about=20 >> "Failed to aquire lock on database" >>=20 >> I have been experiencing this for quite some time, and recently it = has gotten much worse, I was hoping someone could enlighten me to where = to go bug hunting, or just offer some tips with regards to what I could = be doing wrong. >>=20 >> This is the error i get (One amongst many db's, not just online.db) >> An unknown error occurred: >> DBError >> ../../database/online.db >> Failed to aquire lock on database - Possible deadlock averted >>=20 >> /Tommy - Govinda -------------- Old WebDNA talklist archives: http://dev.webdna.us/TalkListArchive/index.tpl?db=3Dwebdna-talk
Associated Messages, from the most recent to the oldest:
Chris,=20 I am not sure what you are saying. ..that one cannot write to a db if it is already open? That of course = does not make sense; as if we have to [closedatabase..] before every = write operation? I thought the below error would only occur when [ExclusiveLock...] = failed to get an ExclusiveLock. (?) Tommy,=20 does your code anywhere use [ExclusiveLock...]? -Govinda On 2011-07-08, at 3:59 PM, christophe.billiottet@webdna.us wrote: > The lock might happens on Windows when WebDNA is trying to write to a = database that is already written to. Are you reopening a database that = is already opened? Does it only deadlock under heavy traffic to the = site? >=20 > - chris >=20 >=20 >=20 > On Jul 6, 2011, at 16:10, Tommy Bell wrote: >=20 >> Hello everyone, a few days ago a post was made about=20 >> "Failed to aquire lock on database" >>=20 >> I have been experiencing this for quite some time, and recently it = has gotten much worse, I was hoping someone could enlighten me to where = to go bug hunting, or just offer some tips with regards to what I could = be doing wrong. >>=20 >> This is the error i get (One amongst many db's, not just online.db) >> An unknown error occurred: >> DBError >> ../../database/online.db >> Failed to aquire lock on database - Possible deadlock averted >>=20 >> /Tommy - Govinda -------------- Old WebDNA talklist archives: http://dev.webdna.us/TalkListArchive/index.tpl?db=3Dwebdna-talk
Govinda
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