启动OA服务提示sa登录失败是怎么回事？

启动OA服务提示sa登录失败是怎么回事？
2016-12-1 10:33:57 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not f
nd on the java.library.path: D:\kingdeeOA\jdk\bin;.;C:\Windows\system32;C:\Windows;D:\kingdeeOA\jdk\bin;D:\kingdeeOA\f
stframe\bin;
2016-12-1 10:33:58 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'debug' to '0' did not find a matching
operty.
2016-12-1 10:33:58 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-7890
2016-12-1 10:33:58 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 841 ms
2016-12-1 10:33:58 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2016-12-1 10:33:58 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.37
2016-12-1 10:34:03 org.apache.naming.NamingContext lookup
警告: Unexpected exception resolving reference
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (用户 'sa' 登录失败。)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1549)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1388)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.getLogWriter(BasicDataSource.java:1098)
at org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory.createDataSource(BasicDataSourceFactory.java:350)
at org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory.getObjectInstance(BasicDataSourceFactory.java:156)
at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:140)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
at org.apache.naming.NamingContext.lookup(NamingContext.java:793)
at org.apache.naming.NamingContext.lookup(NamingContext.java:140)
at org.apache.naming.NamingContext.lookup(NamingContext.java:781)
at org.apache.naming.NamingContext.lookup(NamingContext.java:153)
at org.apache.catalina.core.NamingContextListener.addResource(NamingContextListener.java:1028)
at org.apache.catalina.core.NamingContextListener.createNamingContext(NamingContextListener.java:637)
at org.apache.catalina.core.NamingContextListener.lifecycleEvent(NamingContextListener.java:238)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4612)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: java.sql.SQLException: 用户 'sa' 登录失败。
at net.sourceforge.jtds.jdbc.SQLDiagnostic.addDiagnostic(SQLDiagnostic.java:368)
at net.sourceforge.jtds.jdbc.TdsCore.tdsErrorToken(TdsCore.java:2816)
at net.sourceforge.jtds.jdbc.TdsCore.nextToken(TdsCore.java:2254)
at net.sourceforge.jtds.jdbc.TdsCore.login(TdsCore.java:602)
at net.sourceforge.jtds.jdbc.ConnectionJDBC2.(ConnectionJDBC2.java:344)
at net.sourceforge.jtds.jdbc.ConnectionJDBC3.(ConnectionJDBC3.java:50)
at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:182)
at org.apache.tomcat.dbcp.dbcp.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38)
at org.apache.tomcat.dbcp.dbcp.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:582)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.validateConnectionFactory(BasicDataSource.java:1556)
at org.apache.tomcat.dbcp.dbcp.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:1545)
... 28 more
2016-12-1 10:34:03 org.apache.catalina.core.NamingContextListener addResource
警告: Failed to register in JMX: javax.naming.NamingException: Cannot create PoolableConnectionFactory (用户 'sa' 登录
败。)
2016-12-01 10:34:04,333 WARN [org.acegisecurity.ui.session.HttpSessionEventPublisher] - . Will delay initialization until it's first used.>
2016-12-01 10:34:04,364 INFO [org.springframework.web.context.ContextLoader] - on started>
2016-12-01 10:34:04,504 INFO [org.springframework.web.context.support.XmlWebApplicationContext] - framework.web.context.support.XmlWebApplicationContext@25474e45: display name [Root WebApplicationContext]; startup da