Io 异常: Got minus one from a read call

Io 异常: Got minus one from a read call

错误日志：

java.sql.SQLException: Io 异常: Got minus one from a read call
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: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 java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at sms.SMSDatabase.getConnection(SMSDatabase.java:27)
at sms.SMSDatabase.remedy(SMSDatabase.java:158)
at sms.ProcessMessages.processSms(ProcessMessages.java:24)
at sms.ProcessSMSThread.run(ProcessSMSThread.java:27)
at java.lang.Thread.run(Unknown Source)

从提示来看，应该是数据库连接满了，需要扩大数据库最大连接数。

但是，别的地方访问也没出问题，应该不是连接数的事。

解决办法：

数据库连接满了，扩大数据库连接池

所登录的机子IP不在sqlnet.ora内，加入后重启listerner即可

数据库负载均衡时，指定了(SERVER=DEDICATED)，去除这个即可

网管在Oracle配置上限制了该台机子访问Oracle的权限，这个问题基本和2类似，也是修改Oracle配置即可