大神看看这个咋回事，ssm框架

ssm框架做了一个登录（功能正常），近期学socket，就想着用在新建一个项目用socket调用前一个项目的service，我在socket中直接用applicationcontext.getbean()来获取service，但是出现了下面的错误：

JDBC Connection [com.mchange.v2.c3p0.impl.NewProxyConnection@9641394] will not be managed by Spring
Exception in thread “Thread-5” org.apache.ibatis.exceptions.PersistenceException:

Error querying database. Cause: java.lang.NullPointerException

The error may exist in com/mapper/UserMapper.xml

The error may involve com.idao.IuserDao.login

The error occurred while executing a query

Cause: java.lang.NullPointerException

at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:111)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:102)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectOne(DefaultSqlSession.java:66)
at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:68)
at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:52)
at com.sun.proxy.$Proxy28.login(Unknown Source)
at com.dao.UserDao.login(UserDao.java:21)
at com.service.LoginService.login1(LoginService.java:50)
at com.socket.Mysocket.run(Mysocket.java:109)

Caused by: java.lang.NullPointerException
at com.tool.HttpContextUtil.getRequest(HttpContextUtil.java:15)
at com.tool.HttpContextUtil.getSession(HttpContextUtil.java:25)
at com.interceptor.PageInterceptor.intercept(PageInterceptor.java:33)
at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:60)
at com.sun.proxy.$Proxy29.prepare(Unknown Source)
at org.apache.ibatis.executor.SimpleExecutor.prepareStatement(SimpleExecutor.java:73)
at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:59)
at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:267)
at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:137)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:96)
at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:77)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:108)
… 8 more

debug下这又是啥？