MysqlIO.java

访问数据库报错：No database selected

Nodatabaseselectedatcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
Bronze5·2023-12-29 08:03

java.sql.SQLException: Unknown system variable 'query_cache_size'

Unknownsystemvariable'query_cache_size'atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:959)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
zackxizi·2023-08-14 23:15

SpringMVC+MyBatis构建JavaWEB项目长时间空置后执行数据库操作报错

的默认连接时长为8个小时，如果超过8个小时连接而没有对数据库的操作的话就会断开，此时再访问会报错java.io.EOFExceptionatcom.mysql.jdbc.MysqlIO.readFully(MysqlIO.java
·2021-11-18 12:45

连接Mysql报错java.sql.SQLException: Unknown system variable 'query_cache_size'

Unknownsystemvariable'query_cache_size'atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
liyagangcsdn·2020-09-14 00:29

sqoop操作时显示java.sql.SQLException: Access denied for user 'root'@'hadoop01' (using password: YES)

atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:964)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
M10F·2020-08-04 05:06

mysql 插入表情数据报错解决

atrow1atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
缘浅情深·2020-07-30 08:25

Caused by: com.mysql.jdbc.exceptions.MySQLTimeoutException: Statement cancelled due to timeout or cl

com.mysql.jdbc.exceptions.MySQLTimeoutException:Statementcancelledduetotimeoutorclientrequestatcom.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java
李意文·2020-07-28 15:09

关于java.sql.SQLException: Unknown system variable 'tx_isolation'报错

Unknownsystemvariable'tx_isolation'atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:964)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
佳慕流年·2020-07-11 01:48

mysql经典的8小时问题-wait_timeout

java.io.EOFExceptionatatcom.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913)atcom.mysql.jdbc.MysqlIO.reuseAndReadPacket
LzwGlory·2020-07-11 01:12

【Java 5】Unknown column 'user_name' in 'field list'

java.sql.SQLException:Unknowncolumn'user_name'in'fieldlist'atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
何新生-功夫熊猫·2020-07-10 04:01

mysql保存emoji表情（微信开发用户昵称..）

atrow1atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
我是一个平凡的人·2020-07-07 20:05

在solr中使用dataimport导入数据报内存溢出问题

Exceptioninthread"Thread-21"java.lang.OutOfMemoryError:Javaheapspaceatcom.mysql.jdbc.MysqlIO.readPacket(MysqlIO.java
沧浪之水0818·2020-07-01 21:28

mysql经典的8小时问题-wait_timeout

java.io.EOFExceptionatatcom.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913)atcom.mysql.jdbc.MysqlIO.reuseAndReadPacket
灼灼2015·2019-12-20 06:50

com.mysql.jdbc.PacketTooBigException: Packet for query is too large (1078 > 1024

Youcanchangethisvalueontheserverbysettingthemax_allowed_packet'variable.atcom.mysql.jdbc.MysqlIO.send(MysqlIO.java
mengxiang.com·2019-08-13 17:00

Exception:Data truncation: Out of range value for column 'phone' at row 1异常问题

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Outofrangevalueforcolumn'phone'atrow1atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
LFF1991·2017-09-18 13:16

Statement cancelled due to timeout or client request

com.mysql.jdbc.exceptions.MySQLTimeoutException:Statementcancelledduetotimeoutorclientrequestatcom.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java
Mr_0205·2017-04-18 15:38

Data truncation: Out of range value

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Outofrangevalueforcolumn'userId'atrow1 com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
hw1287789687·2016-03-21 09:12

Data truncation: Out of range value

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Outofrangevalueforcolumn'userId'atrow1com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
hw1287789687·2016-03-18 20:00

mysql 8小时空闲后连接超时的问题

这时再次访问就会抛出异常，如下所示： java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:
·2015-10-21 10:41

hive删除表失败

Packetforqueryistoolarge(1103>1024).Youcanchangethisvalueontheserverbysettingthatcom.mysql.jdbc.MysqlIO.send(MysqlIO.java
弱理想·2015-09-07 11:25

Caused by: com.mysql.jdbc.MysqlDataTruncation: Data truncation: Data too long for column 'name' at r

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Datatoolongforcolumn'name'atrow1atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
qq_29467751·2015-08-28 10:27

MySQL JDBC URL中的格式以及参数介绍

MySQLJDBCURL中的格式以及参数的实际应用感兴趣的话，你就可以浏览以下内容，最近我在实际操作中曾遇到过这样的疑难问题，如下所示，会报atcom.MySQL.jdbc.MySQLIO.readFully(MySQLIO.java
爱佳男士·2014-05-22 11:50

mysql八小时问题

Communicationslinkfailureduetounderlyingexception:java.io.EOFExceptionatcom.mysql.jdbc.MysqlIO.readFully(MysqlIO.java
小运·2014-03-23 01:00

一个有趣的问题——MySQL中varchar的最大长度

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Datatoolongforcolumn'reqs'atrow1 atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
alaahong·2013-07-29 20:00

一个有趣的问题——MySQL中varchar的最大长度

com.mysql.jdbc.MysqlDataTruncation:Datatruncation:Datatoolongforcolumn'reqs'atrow1 atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
小紅·2013-07-29 19:00

mysql报错 Access denied for user 'root'@'localhost' (using password: YES)

atcom.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
on_way_·2013-07-07 15:39

Caused by: java.sql.SQLException: Out of memory; restart server and try again (needed 142328 bytes)

Outofmemory;restartserverandtryagain(needed142328bytes)       atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
amber_tear·2013-06-25 18:00

MySQL JDBC URL中的格式以及参数介绍

中的格式以及参数的实际应用感兴趣的话，你就可以浏览以下内容，最近我在实际操作中曾遇到过这样的疑难问题，如下所示，会报 at com.MySQL.jdbc.MySQLIO.readFully(MySQLIO.java
huangxy10·2012-11-16 00:00

mysql 8小时空闲后连接超时的问题

这时再次访问就会抛出异常，如下所示：java.io.EOFException   atcom.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1913)   atcom.mysql.jdbc.MysqlIO.reus
iTeacher·2012-05-31 06:00

com.mysql.jdbc.MysqlDataTruncation: Data truncation: Out of range value adjusted for column 'price'

Datatruncation:Outofrangevalueadjustedforcolumn'price'atrow1   atcom.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
Sweblish·2011-08-25 14:00

业务层调用数据库时遇到sql异常

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
秦时明月黑·2011-05-06 10:00

BoneCp 连接Mysql数据库报异常！

Datasourcerejectedestablishmentofconnection, messagefromserver:"Toomanyconnections" atcom.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java
禹帆·2010-11-01 13:00

SQLException: Duplicate entry '鍔炰簨' for key 2 或Duplicate entry '灏忛粦' for key 2

nbsp; java.sql.SQLException: Duplicate entry '鍔炰簨' for key 2com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
huiqinbo·2010-04-06 08:00

SQLException: Duplicate entry '鍔炰簨' for key 2 或Duplicate entry '灏忛粦' for key 2

nbsp; java.sql.SQLException: Duplicate entry '鍔炰簨' for key 2com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
huiqinbo·2010-04-06 08:00

面试的guestbook遇到的问题(jsp+servlet+mysql+js验证)

com.mysql.jdbc.SQLError.createSQLException(SQLError.java:946) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java
ap0406708·2009-09-04 16:00

大数据量下的toplink JPA分页问题。

main" java.lang.OutOfMemoryError: Java heap space at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java
surroad·2009-08-31 23:00

jboss数据链接出错

java.io.EOFException         at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java
gyfmp5·2007-09-09 20:00

为什么MySQL的root用户的密码为空可以成功连接，设置密码以后即出错

at org.gjt.mm.mysql.MysqlIO.init(MysqlIO.java:327
wapysun·2005-03-10 16:00
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