JSP连接oracle出现这种异常 求解？

[qq573009184]

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(DriverManager.java:582)
at java.sql.DriverManager.getConnection(DriverManager.java:185)
at oracle.SQLHelper.executeQuery(SQLHelper.java:106)
at oracle.Test.main(Test.java:13)
Exception in thread "main" java.lang.RuntimeException: Io 异常: Got minus one from a read call
at oracle.SQLHelper.executeQuery(SQLHelper.java:118)
at oracle.Test.main(Test.java:13)

需要贴出代码么？

[mzbzyc]

不贴代码就自己看这个吧。http://blog.sina.com.cn/s/blog_529aacbd0100t22b.html

[IT_NK]

1:数据库连接满了，扩大数据库连接池 2:所登录的机子IP不在sqlnet.ora内，加入后重启listerner即可 3:数据库负载均衡时，指定了(SERVER=DEDICATED)，去除这个即可

[小灯光环]

重启一下listener试试~

[「已注销」]

操作完关闭连接