Question

用hibernate 连接Oracle11g时，出现如下错误，请问是怎么回事？ Exception in thread "main" java.lang.E

Exception in thread "main" java.lang.ExceptionInInitializerError
at cn.jbit.test1.Test.main(Test.java:15)
Caused by: java.lang.NullPointerException
at org.slf4j.LoggerFactory.singleImplementationSanityCheck(LoggerFactory.java:192)
at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:113)
at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:269)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:242)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:255)
at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:152)
... 1 more

Answer 1

空指针异常！！那个LoggerFactory类是你写的吗？如果是的话，.LoggerFactory.getLogger（）这个方法出现异常

at org.hibernate.cfg.Configuration.<clinit>(Configuration.java:152)

或许是配置文件写错了！！

追问

我的配置文件时Copy的，检查好几遍，没发现错误

追答

路径写对了吗？？你写几个System.out.println("*******");调试一下。在仔细找找。

Answer 2

这个是空指针啊