I think the only correct solution will be to move server to unicode on Linux. Yesterday I take a look at unicode build - so far I have fixed all build errors in libnetxms, and got to mib compiler and libnxsrv. I'm not sure that I will be able to create working unicode build till 1.2.1 release, but I'll keep working in that direction.

Best regards,
Victor

and the following is the CENTOS's current charactor set(chinese):
[root@NETMAN ~]# locale
LANG=zh_CN.UTF-8
LC_CTYPE="zh_CN.UTF-8"
LC_NUMERIC="zh_CN.UTF-8"
LC_TIME="zh_CN.UTF-8"
LC_COLLATE="zh_CN.UTF-8"
LC_MONETARY="zh_CN.UTF-8"
LC_MESSAGES="zh_CN.UTF-8"
LC_PAPER="zh_CN.UTF-8"
LC_NAME="zh_CN.UTF-8"
LC_ADDRESS="zh_CN.UTF-8"
LC_TELEPHONE="zh_CN.UTF-8"
LC_MEASUREMENT="zh_CN.UTF-8"
LC_IDENTIFICATION="zh_CN.UTF-8"
LC_ALL=

# Example:
DBServer = localhost
CodePage = UTF-8

and i have tried to set CodePage to gb2312, it's also the same.

To locate the real problem, this morning, i have installed the 1.2.0 vesion Server Binaries in Windows and used the same java console client to connect,  and found the Chinese words displaying result is nomal. So, i can comfirm that the problem is in CentOS's  or Mysql's characters setting, following this clue, i tried changing Mysql's character set to UTF8 and gb2312 and restart Mysqld and netxmsd, but the problem was not solved yet.

Another thing:
when i compliled server code in CENTOS with variable "--enable-unicode", compile process will stop and tell me something is wrong.
Error info as follows:
Making all in libnetxms
make[3]: Entering directory `/home/nms/src/libnetxms'
  CXX    agent.lo
  CXX    array.lo
  CXX    base64.lo
  CXX    config.lo
config.cpp: In member function ‘bool Config::loadConfigDirectory(const wchar_t*, const wchar_t*)’:
config.cpp:1086: Error：‘DIRW’在此作用域中尚未声明 (meaning: not declared in this domain)
config.cpp:1086: Error：‘dir’在此作用域中尚未声明
config.cpp:1091: Error：‘wopendir’在此作用域中尚未声明
config.cpp:1097: Error：‘wreaddir’在此作用域中尚未声明
config.cpp:1101: Error：invalid use of incomplete type ‘struct dirent_w’
config.cpp:1087: Error：forward declaration of ‘struct dirent_w’
config.cpp:1101: Error：invalid use of incomplete type ‘struct dirent_w’
config.cpp:1087: Error：forward declaration of ‘struct dirent_w’
config.cpp:1104: Error：invalid use of incomplete type ‘struct dirent_w’
config.cpp:1087: Error：forward declaration of ‘struct dirent_w’
config.cpp:1110: Error：invalid use of incomplete type ‘struct dirent_w’
config.cpp:1087: Error：forward declaration of ‘struct dirent_w’
config.cpp:1114: Error：‘wclosedir’在此作用域中尚未声明
make[3]: *** [config.lo] Error 1
make[3]: Leaving directory `/home/nms/src/libnetxms'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/nms/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/nms'
make: *** [all] Error 2
[root@localhost nms]#

the following is about iconv compiling info:
checking for libiconv_open in -liconv... no
checking for iconv in -liconv... no
checking for iconv... yes
checking whether iconv supports UCS-2-INTERNAL... no
checking whether iconv supports UCS-2... yes
checking whether iconv supports UCS2... yes
checking whether iconv supports UCS-2BE... yes
checking whether iconv supports UCS-2LE... yes
checking whether iconv supports UTF-16... yes
checking whether iconv supports UCS-4-INTERNAL... no
checking whether iconv supports UCS-4... yes
checking whether iconv supports UCS4... yes
checking whether iconv supports UCS-4BE... yes
checking whether iconv supports UCS-4LE... yes
checking whether iconv supports UTF-32... yes
checking whether iconv supports ISO8859-1... yes
checking whether iconv supports ISO-8859-1... yes
checking whether iconv supports ASCII... yes
checking whether iconv supports //IGNORE... yes
checking for iconv declaration...

Maybe it is the real reason? i don't know......

Dear Victor & Alex,  hope you can give me some advice, thank you very much!

Best regards,
Victor