Cannot create PoolableConnectionFactory (ORA-28040: No matching authentication protocol

java项目连接远程oracle12 报的错误
解决方法

         <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc</artifactId>
            <version>14</version>
        </dependency> 
        改为下面的版本
        <dependency>
            <groupId>com.github.noraui</groupId>
            <artifactId>ojdbc7</artifactId>
            <version>12.1.0.2</version>
        </dependency>

/usr/oracle/product/network/admin
sqlnet.ora添加如下一句
SQLNET_ALLOWED_LOGON_VERSIONS=(12,11,10,9,8,7)