连接mysql报错

2010-9-17 14:41:17 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performanc
e in production environments was not found on the java.library.path: D:\tomcat6j
dk6mysql51\tomcat6jdk6mysql5\tomcat-6.0.16-asso\jdk1.6\jre\bin;.;C:\WINDOWS\Sun\
Java\bin;C:\WINDOWS\system32;C:\WINDOWS;D:\tomcat6jdk6mysql51\tomcat6jdk6mysql5\
tomcat-6.0.16-asso\jdk1.6\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32
\Wbem
2010-9-17 14:41:17 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8081
2010-9-17 14:41:17 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 715 ms
2010-9-17 14:41:18 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-9-17 14:41:18 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.16
log4j:WARN No appenders could be found for logger (consult.util.HibernateThreadF
ilter).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN No appenders could be found for logger (consult.util.HibernateThreadF
ilter).
log4j:WARN Please initialize the log4j system properly.
null邮件服务启动失败.
2010-9-17 14:41:34 org.apache.catalina.core.StandardContext addApplicationListen
er
信息: The listener "org.springframework.web.context.ContextLoaderListener" is al
ready configured for this context. The duplicate definition has been ignored.
2010-9-17 14:41:41 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8081
2010-9-17 14:41:41 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8018
2010-9-17 14:41:41 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/31  config=null
2010-9-17 14:41:41 org.apache.catalina.startup.Catalina start
信息: Server startup in 23163 ms
select distinct(a.userid),a.userno,username,a.pwd from sys_users a where   usern
o='admin'
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown character set
: 'macce'
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.Util.getInstance(Util.java:381)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536)
        at com.mysql.jdbc.ConnectionImpl.configureClientCharacterSet(ConnectionI
mpl.java:1751)
        at com.mysql.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImp
l.java:3425)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2045)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:718)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstruct
orAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingC
onstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java
:282)
        at java.sql.DriverManager.getConnection(DriverManager.java:582)
        at java.sql.DriverManager.getConnection(DriverManager.java:185)
        at com.Hwsoft.oa.util.DbUtil.openConnection(DbUtil.java:19)
        at com.Hwsoft.oa.util.BaseDao.queryOne(BaseDao.java:116)
        at com.Hwsoft.oa.dao.impl.sys.UserDaoImpl.checkLogin(UserDaoImpl.java:10
1)
        at com.Hwsoft.oa.servlet.Login.doPost(Login.java:75)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:206)
        at com.Hwsoft.oa.filter.EncodingFilter.doFilter(EncodingFilter.java:25)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:175)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
568)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:286)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ss(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:44
7)
        at java.lang.Thread.run(Thread.java:619)这是我连接mysql数据库用户名密码登陆时报的错，请问是什么原因我是用ssh做的