求助！应用运行一段时间，数据库挂起

qjhadm

数据库日志如下：

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01:00000:00067:2004/12/15 08:15:30.92 kernel  Cannot send, host process disconnected:  000001fc spid: 67
01:00000:00067:2004/12/15 08:15:30.94 server  Error: 1608, Severity: 18, State: 3
01:00000:00067:2004/12/15 08:15:30.94 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00293:2004/12/15 08:21:04.69 kernel  Cannot send, host process disconnected:  00000288 spid: 293
00:00000:00293:2004/12/15 08:21:04.69 server  Error: 1608, Severity: 18, State: 3
00:00000:00293:2004/12/15 08:21:04.69 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00341:2004/12/15 08:24:42.66 kernel  nl__write_defer: write failed on socket 332.
: 设备不识别此命令。 .
01:00000:00341:2004/12/15 08:24:42.66 kernel  Cannot send, host process disconnected:  00000288 spid: 341
01:00000:00343:2004/12/15 08:24:42.76 kernel  Cannot send, host process disconnected:  00000288 spid: 343
01:00000:00343:2004/12/15 08:24:42.76 server  Error: 1608, Severity: 18, State: 3
01:00000:00343:2004/12/15 08:24:42.76 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00211:2004/12/15 08:28:03.15 kernel  Cannot send, host process disconnected:  00000288 spid: 211
01:00000:00211:2004/12/15 08:28:03.15 server  Error: 1608, Severity: 18, State: 3
01:00000:00211:2004/12/15 08:28:03.15 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00069:2004/12/15 08:28:30.04 kernel  Cannot send, host process disconnected:  00000288 spid: 69
01:00000:00069:2004/12/15 08:28:30.05 server  Error: 1608, Severity: 18, State: 3
01:00000:00069:2004/12/15 08:28:30.05 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00310:2004/12/15 08:37:04.38 kernel  Cannot send, host process disconnected:  000002e4 spid: 310
00:00000:00310:2004/12/15 08:37:04.38 server  Error: 1608, Severity: 18, State: 3
00:00000:00310:2004/12/15 08:37:04.38 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00074:2004/12/15 08:51:53.49 kernel  nl__write_defer: write failed on socket 85.
: 设备不识别此命令。 .
01:00000:00074:2004/12/15 08:51:53.51 kernel  Cannot send, host process disconnected:  fff6dbe3 spid: 74
01:00000:00270:2004/12/15 09:05:30.45 kernel  Cannot send, host process disconnected:  fff6dbe3 spid: 270
01:00000:00270:2004/12/15 09:05:30.45 server  Error: 1608, Severity: 18, State: 3
01:00000:00270:2004/12/15 09:05:30.45 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00296:2004/12/15 09:12:58.14 kernel  Cannot send, host process disconnected:  00000370 spid: 296
01:00000:00296:2004/12/15 09:12:58.14 server  Error: 1608, Severity: 18, State: 3
01:00000:00296:2004/12/15 09:12:58.14 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00087:2004/12/15 09:20:01.00 kernel  Cannot send, host process disconnected:  00000214 spid: 87
01:00000:00087:2004/12/15 09:20:01.00 server  Error: 1608, Severity: 18, State: 3
01:00000:00087:2004/12/15 09:20:01.00 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00061:2004/12/15 09:24:58.40 kernel  Cannot send, host process disconnected:  00000398 spid: 61
00:00000:00061:2004/12/15 09:24:58.40 server  Error: 1608, Severity: 18, State: 3
00:00000:00061:2004/12/15 09:24:58.40 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00106:2004/12/15 09:30:43.89 kernel  Cannot send, host process disconnected:  000004ec spid: 106
01:00000:00106:2004/12/15 09:30:43.89 server  Error: 1608, Severity: 18, State: 3
01:00000:00106:2004/12/15 09:30:43.89 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00129:2004/12/15 09:35:54.99 kernel  Cannot send, host process disconnected:  000004dc spid: 129
00:00000:00129:2004/12/15 09:35:54.99 server  Error: 1608, Severity: 18, State: 3
00:00000:00129:2004/12/15 09:35:54.99 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00135:2004/12/15 09:35:57.36 kernel  nl__write_defer: write failed on socket 137.
: 设备不识别此命令。 .
01:00000:00285:2004/12/15 09:35:59.19 kernel  Cannot send, host process disconnected:  00000954 spid: 285
01:00000:00285:2004/12/15 09:35:59.19 server  Error: 1608, Severity: 18, State: 3
01:00000:00285:2004/12/15 09:35:59.19 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00043:2004/12/15 09:36:44.92 kernel  Cannot send, host process disconnected:  000004dc spid: 43
01:00000:00043:2004/12/15 09:36:44.92 server  Error: 1608, Severity: 18, State: 3
01:00000:00043:2004/12/15 09:36:44.92 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00333:2004/12/15 09:37:39.47 kernel  Cannot send, host process disconnected:  00000954 spid: 333
01:00000:00333:2004/12/15 09:37:39.47 server  Error: 1608, Severity: 18, State: 3
01:00000:00333:2004/12/15 09:37:39.47 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00001:2004/12/15 09:38:03.94 kernel  nl__write_defer: write failed on socket 286.
: 设备不识别此命令。 .
00:00000:00001:2004/12/15 09:38:03.94 kernel  Cannot send, host process disconnected:  00000954 spid: 1
00:00000:00085:2004/12/15 09:38:04.03 kernel  Cannot send, host process disconnected:  00000954 spid: 85
00:00000:00085:2004/12/15 09:38:04.03 server  Error: 1608, Severity: 18, State: 3
00:00000:00085:2004/12/15 09:38:04.03 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00087:2004/12/15 09:38:06.48 kernel  Cannot send, host process disconnected:  00000954 spid: 87
01:00000:00087:2004/12/15 09:38:06.48 server  Error: 1608, Severity: 18, State: 3
01:00000:00087:2004/12/15 09:38:06.48 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00212:2004/12/15 09:38:23.06 kernel  Cannot send, host process disconnected:  000007b0 spid: 212
01:00000:00212:2004/12/15 09:38:23.06 server  Error: 1608, Severity: 18, State: 3
01:00000:00212:2004/12/15 09:38:23.06 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00125:2004/12/15 09:40:14.71 kernel  Cannot send, host process disconnected:  000007b0 spid: 125
01:00000:00125:2004/12/15 09:40:14.71 server  Error: 1608, Severity: 18, State: 3
01:00000:00125:2004/12/15 09:40:14.71 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00132:2004/12/15 09:40:14.82 kernel  Cannot send, host process disconnected:  000007b0 spid: 132
01:00000:00132:2004/12/15 09:40:14.82 server  Error: 1608, Severity: 18, State: 3
01:00000:00132:2004/12/15 09:40:14.82 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
01:00000:00075:2004/12/15 09:40:15.85 kernel  Cannot send, host process disconnected:  000007b0 spid: 75
01:00000:00075:2004/12/15 09:40:15.85 server  Error: 1608, Severity: 18, State: 3
01:00000:00075:2004/12/15 09:40:15.85 server  A client process exited abnormally, or a network error was encountered. Unless other errors occurred, continue processing normally.
00:00000:00000:2004/12/15 09:44:20.33 kernel  timeslice -1000, current process infected
01:00000:00332:2004/12/15 09:44:20.33 kernel  SQL Server system exception (0xe0000001) generated by a process exceeding its time slice allotment.
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x77E349D3 kernel32.dll (0xE0000001, 0x00000001, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x77E349D3 kernel32.dll (0x202F57E0, 0x242A2000, 0x242A9A40, 0x242A9A9E)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00BA8995 AseHTTPURLInputStream::readBytes+ 0x7cd7d (0x061E0045, 0xFFFFFFFF, 0xFFFFFFFF, 0x242A9A40)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00BE6AC5 AseHTTPURLInputStream::readBytes+ 0xbaead (0x061E0045, 0x0743FF48, 0x013F3D24, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00BBCAFE AseHTTPURLInputStream::readBytes+ 0x90ee6 (0x061E0045, 0x00000000, 0x00BF1A10, 0x202F5360)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x004078D2 (Symbol not found)(0x22E8DF84, 0x0743FA7C, 0x00BC900F, 0x22E8DF84)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00422F5E (Symbol not found)(0x22E8DF84, 0x00BC89E7, 0x242A9A40, 0x242F5C60)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00422F70 (Symbol not found)(0x22E9CE30, 0x22E8DF84, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.69 kernel  pc: 0x00BC900F AseHTTPURLInputStream::readBytes+ 0x9d3f7 (0x00000017, 0x00000000, 0x00000000, 0x242A9A40)
01:00000:00332:2004/12/15 09:44:20.71 kernel  [Handler pc: 0x0047BC84 (Symbol not found) installed by the following function:-]
01:00000:00332:2004/12/15 09:44:20.71 kernel  [Handler pc: 0x006F8E10 (Symbol not found) installed by the following function:-]
01:00000:00332:2004/12/15 09:44:20.71 kernel  [Handler pc: 0x006F8E10 (Symbol not found) installed by the following function:-]
01:00000:00332:2004/12/15 09:44:20.71 kernel  pc: 0x004210E1 (Symbol not found)(0x242A9A40, 0x00000000, 0x00000000, 0x242A9A40)
01:00000:00332:2004/12/15 09:44:20.71 kernel  pc: 0x00BA88D7 AseHTTPURLInputStream::readBytes+ 0x7ccbf (0x00000000, 0x00000000, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x77E1A990 kernel32.dll (0x00000000, 0x00000000, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  end of stack trace, spid 332, kpid 0, suid 5
01:00000:00332:2004/12/15 09:44:20.74 kernel  ************************************
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00C2DBED AseHTTPURLInputStream::readBytes+ 0x101fd5 (0x0743EE14, 0x77E40ABC, 0x77E4FD48, 0xFFFFFFFF)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00C2DBED AseHTTPURLInputStream::readBytes+ 0x101fd5 (0x0743EE14, 0x0743EBCC, 0x0000270F, 0x00000002)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00C0463A AseHTTPURLInputStream::readBytes+ 0xd8a22 (0x061E0045, 0x00000002, 0x0000270F, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00C042C4 AseHTTPURLInputStream::readBytes+ 0xd86ac (0x061E0045, 0x00000001, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00BB384B AseHTTPURLInputStream::readBytes+ 0x87c33 (0x061E0045, 0xFFFFFFFF, 0x0743F37C, 0xE0000001)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00406974 (Symbol not found)(0xE0000001, 0x77B94DB1, 0x0743F3B0, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00BA7D54 AseHTTPURLInputStream::readBytes+ 0x7c13c (0x242A9A40, 0x00000000, 0x00000000, 0x242A9A40)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x00BA8957 AseHTTPURLInputStream::readBytes+ 0x7cd3f (0x00000000, 0x00000000, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  pc: 0x77E1A990 kernel32.dll (0x00000000, 0x00000000, 0x00000000, 0x00000000)
01:00000:00332:2004/12/15 09:44:20.74 kernel  end of stack trace, spid 332, kpid 0, suid 5
00:00000:00000:2004/12/15 09:48:06.31 kernel  secleanup:                                                                         time to live expired on                                                                         engine 1

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请帮忙看一下，谢谢