【问题标题】:sqlnet.ora changes not being picked up after upgrade to oracle 12c升级到 oracle 12c 后未获取 sqlnet.ora 更改
【发布时间】:2018-02-12 18:26:43
【问题描述】:

我们在周末从 oracle 11 迁移到 oracle 12c。 我的应用程序开始崩溃并出现以下堆栈跟踪:

+++INFO+++20170904_13:21:10 Application.main - Starting up...
+++ERROR+++20170904_13:21:12 Application.main - AuditTrailException at AuditTrailDatabase.<init>(AuditTrailDatabase.java:671) caused by SQLException(ORA-28040: No matching authentication protocol
) at DatabaseError.throwSqlException(DatabaseError.java:112)
com.ac.audit.trail.AuditTrailException
        at com.ac.audit.trail.database.AuditTrailDatabase.<init>(AuditTrailDatabase.java:671)
        at com.ac.audit.trail.Application.main(Application.java:154)
Caused by: com.ac.jdbc.JDBCInterfaceException: Error connecting to the database
        at com.ac.jdbc.JDBCInterface.getConnection(JDBCInterface.java:194)
        at com.ac.audit.trail.database.AuditTrailDatabase.<init>(AuditTrailDatabase.java:179)
        ... 1 more
Caused by: java.sql.SQLException: ORA-28040: No matching authentication protocol

        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:283)
        at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:278)
        at oracle.jdbc.driver.T4CTTIoauthenticate.receiveOsesskey(T4CTTIoauthenticate.java:288)
        at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:357)
        at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:414)
        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 oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:297)
        at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:221)
        at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPhysicalConnection(OracleConnectionPoolDataSource.java:157)
        at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:94)
        at oracle.jdbc.pool.OracleImplicitConnectionCache.makeCacheConnection(OracleImplicitConnectionCache.java:1529)
        at oracle.jdbc.pool.OracleImplicitConnectionCache.getCacheConnection(OracleImplicitConnectionCache.java:464)
        at oracle.jdbc.pool.OracleImplicitConnectionCache.getConnection(OracleImplicitConnectionCache.java:333)
        at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:404)
        at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:189)
        at oracle.jdbc.pool.OracleDataSource.getConnection(OracleDataSource.java:165)
        at com.ac.jdbc.JDBCInterface.getConnection(JDBCInterface.java:182)
        ... 2 more

我的同事建议将以下参数放在 sqlnet.ora 文件中

sqlnet.allowed_logon_version_server=8

我没有 sqlnet.ora,并在我的 $ORACLE_HOME/network/admin 中创建了一个文件

它似乎仍然不起作用。

我知道这是一种解决方法,但不是长期修复。我在这里错过了什么?

【问题讨论】:

标签: java oracle oracle11g database-migration oracle12c


【解决方案1】:

引发此错误的服务使用不同的配置连接到数据库。它没有从 tnsnames.ora 获取详细信息

它是一个遗留应用程序,我们必须更深入地挖掘才能做到这一点。

感谢大家的投入。

【讨论】:

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