java sql异常_java.sql.SQLException: Io 异常: Got minus one from a
java.sql.SQLException: Io 異常: Got minus one from a read call
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)
at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386)
at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:413)
at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:164)
at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)
at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:752)
at java.sql.DriverManager.getConnection(DriverManager.java:525)
at java.sql.DriverManager.getConnection(DriverManager.java:171)
at com.org.vdis.UpdateLicense.UpdateLicenseId(UpdateLicense.java:122)
at com.org.vdis.UpdateLicense.GetOldLicenseid(UpdateLicense.java:36)
at com.org.vdis.UpdateLicense.Update(UpdateLicense.java:14)
at com.org.vdis.Update.onClick$LicenseID(Update.java:16)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.zkoss.zk.ui.impl.EventProcessor.process0(EventProcessor.java:211)
at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:143)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.process0(EventProcessingThreadImpl.java:485)
at org.zkoss.zk.ui.impl.EventProcessingThreadImpl.run(EventProcessingThreadImpl.java:419)
不知道為什么報(bào)這樣的錯(cuò)誤,但是程序還可以繼續(xù)運(yùn)行。再網(wǎng)上搜索之后說(shuō)數(shù)據(jù)庫(kù)連接不夠,但是使用了連接池還是有問(wèn)題,想問(wèn)一下出現(xiàn)這樣的問(wèn)題一般是什么情況？ 程序里面需要關(guān)閉的連接都關(guān)閉了的
程序?qū)崿F(xiàn)的功能是
while(rs.next())
{
//在這里調(diào)用另一個(gè)方法修改數(shù)據(jù)?,不知道是不是因?yàn)榍短琢说脑?#xff1f;
}
總結(jié)
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