Whether prompt the cause of the following messages (SQL Anywhere 12.0.1.4178):
Error creating new connection: hcommblk.Open (8) / Shared Memory function newConn failed

I. 07/22 07:25:32. 1: -xs ****
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I. 07/22 07:25:32. 5: -c
I. 07/22 07:25:32. 6: 15%
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I. 07/22 07:25:32. SQL Anywhere Network Server Version 12.0.1.4178
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I. 07/22 07:25:32. Running Windows 7 Build 7601 Service Pack 1 on X86 (X86_64)
I. 07/22 07:25:32. Server built for X86 processor architecture
I. 07/22 07:25:32. 302716K of memory used for caching
I. 07/22 07:25:32. Minimum cache size: 302716K, maximum cache size: 1404940K
I. 07/22 07:25:32. Using a maximum page size of 4096 bytes
I. 07/22 07:25:32. Multiprogramming level: minimum:4, current:20, maximum:80
I. 07/22 07:25:32. Automatic tuning of multiprogramming level is enabled
I. 07/22 07:25:32. TCP using Winsock version 2.2
I. 07/22 07:25:32. IPv6 support enabled
I. 07/22 07:25:32. Database server started at Wed Jul 22 2015 07:25
I. 07/22 07:25:32. Database server will stop at Wed Jul 22 2015 23:45
I. 07/22 07:25:32. Trying to start SharedMemory link ...
I. 07/22 07:25:32.     SharedMemory link started successfully
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I. 07/22 12:52:23. Connection ID 1: disconnecting shared memory client, process id not found
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I. 07/22 12:53:41. Error creating new connection: hcommblk.Open (8)
I. 07/22 12:53:41. Shared Memory function newConn failed
I. 07/22 12:54:17. Error creating new connection: hcommblk.Open (8)
I. 07/22 12:54:17. Shared Memory function newConn failed
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I. 07/22 13:00:01. Database server shutdown requested via server console