> Thanks a lot Vlad for quick response. > > Sorry for missing information. > > fbclient version is 2.1.1.17910 in Windows 2k3 Service Pack 2 x86 processor.
2.1.4 was released a while ago and 2.1.5 is expected soon. Even if there was some bug in old 2.1.1 - it is impossible to fix it there. > Also i am using SQLAPI library to connect to Firebird. I don't know this library, sorry > If possible, can you > please elaborate "manually serialize calls within same connection" If your application is multythreaded you should obey two simple rules working with Firebird client before v2.5 : a) don't call attach\detach from few threads simultaneously, and b) don't use the same connection from few threads simultaneously Also, if you using Firebird events, you should not query database from events handler callback. Regards, Vlad ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ Firebird-Devel mailing list, web interface at https://lists.sourceforge.net/lists/listinfo/firebird-devel