JAVA高级面试进阶训练营视频教程

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一、报错信息

1、  前端登录界面

2、  后台应用日志

报错信息一致为：

 

$$callid= $$thread=[Service Monitor and Runtime Enroment] $$host= $$userid= $$ts=2017-05-23 09:18:13 $$remotecall=[nc.bs.mw.ejbsql.IerpXADataSource] $$debuglevel=ERROR  $$msg=initializing the connection pool failed,can't open database connection

java.sql.SQLException: Io 异常: Got minus one from a read call

         at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:113)

         at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:147)

         at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:257)

         at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:389)

         at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:454)

         at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)

         at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)

         at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:802)

         at java.sql.DriverManager.getConnection(DriverManager.java:525)

         at java.sql.DriverManager.getConnection(DriverManager.java:171)

         at nc.bs.mw.ejb.xares.IerpDataSource.getConnection(IerpDataSource.java:38)

         at nc.bs.mw.ejbsql.IerpXADataSource.createNoXaConnection(IerpXADataSource.java:601)

         at nc.bs.mw.ejbsql.IerpXADataSource.init(IerpXADataSource.java:212)

         at nc.bs.mw.ejbsql.IerpXADataSource.init(IerpXADataSource.java:859)

         at nc.bs.mw.naming.EJBContainerService.initDataSource(EJBContainerService.java:72)

         at nc.bs.mw.naming.EJBContainerService.startServer(EJBContainerService.java:196)

         at nc.bs.mw.fm.ServiceManager.startBaseService(ServiceManager.java:348)

         at nc.bs.mw.fm.ServiceManager.run(ServiceManager.java:236)

 

二、问题分析

1．查看数据库服务器信息

经过DBA排查初步断定为数据服务器出了问题，接下来由DBA协助问题处理解决。

 

三、问题解决

1、  经过DBA的协助下，NC恢复正常访问

 

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