项目启动后sqlSessionFactory获取不到创建数据库连接失败

解决方式是访问的公司内部的测试数据库必须内网访问，修改了下properties文件中的jdbcUrl就OK了

1、老规矩献上报错(数据库链接地址已经用****表示)

信息: Illegal access: this web application instance has been stopped already.  Could not load oracle.net.mesg.Message.  The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1600)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
    at java.util.ResourceBundle$Control.newBundle(ResourceBundle.java:2566)
    at java.util.ResourceBundle.loadBundle(ResourceBundle.java:1436)
    at java.util.ResourceBundle.findBundle(ResourceBundle.java:1400)
    at java.util.ResourceBundle.findBundle(ResourceBundle.java:1354)
    at java.util.ResourceBundle.findBundle(ResourceBundle.java:1354)
    at java.util.ResourceBundle.findBundle(ResourceBundle.java:1354)
    at java.util.ResourceBundle.findBundle(ResourceBundle.java:1354)
    at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:1296)
    at java.util.ResourceBundle.getBundle(ResourceBundle.java:721)
    at oracle.net.ns.Message11.getMessage(Unknown Source)
    at oracle.net.ns.NetException.getMessage(Unknown Source)
    at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:865)
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:268)
    at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:441)
    at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:165)
    at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
    at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
    at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
    at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
    at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1410)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1464)
    at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1969)

五月 07, 2019 9:54:24 上午 org.apache.catalina.loader.WebappClassLoader findResourceInternal
信息: Illegal access: this web application instance has been stopped already.  Could not load oracle/net/mesg/Message.properties.  The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
五月 07, 2019 9:54:24 上午 org.apache.catalina.loader.WebappClassLoader loadClass

息: Illegal access: this web application instance has been stopped already.  Could not load oracle/net/mesg/Message_zh_CN.properties.  The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
五月 2019-05-07 09:54:24,112 ERROR [com.alibaba.druid.pool.DruidDataSource] - create connection error, url: jdbc:oracle:thin:@***.**.**2:1522/orcl, errorCode 17002, state null
java.sql.SQLException: Io 异常: Message file 'oracle.net.mesg.Message' is missing.
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
    at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:255)
    at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
    at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:441)
    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:801)
    at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:148)
    at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:211)
    at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:142)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1410)
    at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1464)
    at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:1969)
07, 2019 9:54:24 上午 org.apache.catalina.loader.WebappClassLoader loadClass

2、修改properties文件

jdbc.url=jdbc:oracle:thin:@192.168.2.9:1521/orcl

常识性错误，写个笔记记录下