Well, sqlnet trace doesn't give much details, trace just stops at this stage. Thanks Bill, I got the MOS doc that you were referring to. I am sure that something fishy about network config. Now working with n/w folks. [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: packet dump [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 9C 00 00 06 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 03 5E 11 61 80 00 |...^.a..| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 01 45 00 |......E.| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 01 0D 00 00 00 01 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 01 00 00 00 00 01 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 01 00 01 01 01 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 01 01 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 17 73 65 6C 65 63 74 20 |.select.| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 2A 20 66 72 6F 6D 20 76* * |*.from.v| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 24 73 65 73 73 69 6F 6E* * |$session| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 01 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 01 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 00 00 00 00 |........| [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: 00 00 00 00 |.... | [000002 14-MAY-2010 11:28:19:597] nsbasic_bsd: exit (0) [000002 14-MAY-2010 11:28:19:597] nsbasic_brc: entry: oln/tot=0 Thanks, G On 12 May 2010 23:59, mohammed bhatti <mohammed.bhatti1@xxxxxxxxx> wrote: > > On Wed, May 12, 2010 at 2:11 PM, gidhin K. joy <gidhin@xxxxxxxxx> wrote: > >> I could confirm that enough free space is available in c: >> >> Why I am thinking it is network related is, other workstations on the same >> network as mine also facing the similar issue. >> >> If I do select * from <an application table>, just hangs but If I do >> select query on the first 27 columns of the same table it returns records. >> Also select * from <an application table> where empid=1, will retrieve data >> as there is single record involved, there by less amount of data. >> >> Really strange. >> >> Thanks. >> G >> >> > > If you suspect a network issue, turn on SQL*Net trace on the client and > look at the trace output. Something like this in sqlnet.ora: > TRACE_DIRECTORY_CLIENT = /opt/app/oracle/product/10.2.0/db_1/network/log > TRACE_FILE_CLIENT = CLIENT > LOG_FILE_CLIENT = CLIENT > TRACE_LEVEL_CLIENT = SUPPORT > > Look at the trace file output for net errors. > > Faced a similar issue with streams over a WAN and got around it by setting > SQLNET.EXPIRE_TIME = 1000 and SQLNET.INBOUND_CONNECT_TIMEOUT = 1000 or some > appropriately large value. > > -- > mohammed > > > > >