#AIO

ORA-06432: ssaio: Buffer Not Aligned

文档解释ORA-06432:ssaio:BufferNotAlignedCause:TheI/Obufferwasnotalignedona2Kboundary.Action:ContactyourOracleCustomerSupportRepresentative.ORA-06432:ssaio:BufferNot...

ORA-06431: ssaio: Invalid Block number

文档解释ORA-06431:ssaio:InvalidBlocknumberCause:Thefileblocknumberisoutofrangeofthefile.Theadditionalinformationreturnstheblocknumber.Action:Verifythattheblocknumbe...

ORA-06430: ssaio: Seals do not match

文档解释ORA-06430:ssaio:SealsdonotmatchCause:Afunctionwascalledwithaninvalidargument.Action:ContactyourOracleCustomerSupportRepresentative.ORA-06430:ssaio:Sealsdono...
IT技术学习 ·2023-07-08

ORA-06434: ssaio: read error, unable to read requested block from database file.

文档解释ORA-06434:ssaio:readerror,unabletoreadrequestedblockfromdatabasefile.Cause:Thereadsystemcallreturnedanerror.Action:Theadditionalinformationindicatestheblock...

ORA-06438: ssaio: the asynchronous read was unable to read from the database file.

文档解释ORA-06438:ssaio:theasynchronousreadwasunabletoreadfromthedatabasefile.Cause:TheAsynchronousI/Osystemcallreturnedanerror.Action:Theadditionalinformationindic...

ORA-06439: ssaio: the asynchronous write returned incorrect number of bytes

文档解释ORA-06439:ssaio:theasynchronouswritereturnedincorrectnumberofbytesCause:Thiswritecallmayhavebeentruncated.Theadditionalinformationreturnstheblocknumberandnu...

ORA-06435: ssaio: write error, unable to write requested block to database file.

文档解释ORA-06435:ssaio:writeerror,unabletowriterequestedblocktodatabasefile.Cause:Thewritesystemcallreturnedanerror.Action:Theadditionalinformationindicatesthebloc...
IT技术学习 ·2023-07-08

ORA-06440: ssaio: the asynchronous read returned incorrect number of bytes

文档解释ORA-06440:ssaio:theasynchronousreadreturnedincorrectnumberofbytesCause:Thisreadcallmayhavebeentruncated.Theadditionalinformationreturnstheblocknumberandnumb...

ORA-06436: ssaio: asynchronous I/O failed due to incorrect parameters.

文档解释ORA-06436:ssaio:asynchronousI/Ofailedduetoincorrectparameters.Cause:TheAsynchronousI/Osystemcallreturnedanerror.Action:Theadditionalinformationindicatestheb...

ORA-06437: ssaio: the asynchronous write was unable to write to the database file.

文档解释ORA-06437:ssaio:theasynchronouswritewasunabletowritetothedatabasefile.Cause:TheAsynchronousI/Osystemcallreturnedanerror.Action:Theadditionalinformationindic...
IT技术学习 ·2023-07-08

ORA-06433: ssaio: LSEEK error, unable to seek to requested block.

文档解释ORA-06433:ssaio:LSEEKerror,unabletoseektorequestedblock.Cause:TheadditionalinformationreturnstheblocknumberAction:Lookuptheadditionalinformationreturnedinyo...
IT技术学习 ·2023-07-05

BIO、NIO、AIO 有什么区别?

1、同步阻塞BIO一个连接一个线程。JDK1.4之前,建立网络连接的时候采用BIO模式,先在启动服务端socket,然后启动客户端socket,对服务端通信,客户端发送请求后,先判断服务端是否有线程响应,如果没有则会一直等待或者遭到拒绝请求,如果有的话会等待请求结束后才继续执行。2、同步非阻塞NIONIO主要是想解决B...
开发笔记 ·2023-03-13

javaIO-字符流

 2.1字符流为什么出现字符流?一个字符经过编码后可能占用不同的字节数,字符和字节不是一一对应的关系,编码后的字符有可能变成数量不等的字节使用字节流在操作文本文件的时候不是很方便,不能准确控制到底多少个字节对应一个字符?所以Java提供了专门用来操作字符的字符流(所以字符流只针对文本文件)能准确的从流中获取/...
代码星球 ·2021-02-22

javaIO--数据流之IO流与字节流

0.1、IO(InputOutput)流的概念Java中将不同设备之间的数据传输抽象为“流”:Stream设备指的是:磁盘上的文件,网络连接,另一个主机等等 按流向分:输入流,输出流:都是针对内存来说的输入流,只能从其中读取数据输出流,只能把数据放入其中按每次处理的数据单位分:字节流,字符流1.字节流:每次处...
代码星球 ·2021-02-22

javaIO--File类

位于java.io包下,用于表示与平台无关的文件和目录File类可以用来操作文件和目录,但是不能用来访问文件的内容。   1.构造方法File(StringpathName)通过将给定路径名字符串转换为抽象路径名来创建一个新File实例File(Stringparent,Stringchi...
代码星球 ·2021-02-22
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