Unknown initial character set index '255' received from server. Initial client character set can be forced via the 'characterEncoding' property. 从错误的提示信息中发现字符集设置出现问题 mysql连接数据库时报此错误: //String url = "jdbc:mysql://localhost:3306/db_cjky" 如果使用这句就会报…
Error connecting to database: (using class org.gjt.mm.mysql.Driver)Unknown initial character set index ‘255’ received from server. Initial client character set can be forced via the ‘characterEncoding’ property.问题分析:如果etl调度服务lib下存在多个版本的mysql驱动,则提示上述问…
使用repalceAll 方法出现java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0异常 代码如下: @Test public void testReplaceAll(){ String sql = "select * from per_handle where id not in('3ce7405509414105a65e7456987e7393')"; String cou…
java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0*&*^ at java.util.regex.Pattern.error(Pattern.java:1924) at java.util.regex.Pattern.sequence(Pattern.java:2090) at java.util.regex.Pattern.expr(Pattern.java:1964…
1.split方法转化字符串为数组: String[] strPicArr = map.get("hw_pic").toString().split("*"); 报错: java.util.regex.PatternSyntaxException: Dangling meta character '*' near index 0 2.经调试跟踪发现字符串中带有“*”时,用“*”分隔字符串成数组是不正确的,正确的写法是: String[] strPicArr = ma…
1.replaceAll()方法报错 对字符串使用replaceAll()方法替换 * ? + / | 等字符的时候会报以下异常 Dangling meta character '*' near index 0 这主要是因为这些符号在正则表达示中有相应意义. 只需将其改为 [*] 或 //* 即可 2.split()方法报错 对字符串使用split()方法截取 * ? + / | 等字符的时候会报以下异常 Dangling meta character '?' near index 0 ? +.…
检查我们的一台ORACLE数据库的监听日志发现有不少TNS-12502错误信息.如下所示 TNS-12502: TNS:listener received no CONNECT_DATA from client 09-DEC-2014 15:47:06 * (CONNECT_DATA=(SERVICE_NAME=epps)(CID=(PROGRAM=D:\Tasks\FGIS2MES\CEG\gmt_auto.exe)(HOST=CEGWEB1)(USER=cegadmin))) * (AD…
近期在一次MySQL数据迁移的过程中遭遇了字符集的问题,提示为"Character set 'utf8mb4' is not a compiled character set".即是字符集utf8mb4不是一个编译的字符集以及没有在Index.xml文件中指定.以下是其处理过程及解决的方法.供大家參考. 1.错误提示SHELL> mysqlbinlog --database=bs_salary --stop-datetime="2014-12-15 8:24:48&qu…
PL/SQL database character set(AL32UTF8) and Client character set(ZHS16GBK) are different 这是由于安装oracle客户端的时候没有设置对字符集造成的,没啥大问题,不影响使用,但是还是收拾好了比较爽一些.解决方法很简单. 启动PL/SQL Developer 报字符编码不一致错误 Database character set (AL32UTF8) and Client character set (ZHS16G…
前几天装一个linux 企业版5.0安装了apache,打开测试页面的时候出现如下错误: Forbidden You don't have permission to access /index.html on this server. 开始我以为我配置出错,花半天时间都没有搞定,今天终于搞定了. 原因:index.html是用root用户建的文件,apache权限不够. 解决方法:更改文件权限:chmod 755 index.html 如果是WIN 2003下出现这个问题,请按以下方式解决 打…
启动PL/SQL Developer 报字符编码不一致错误 Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different.Character set conversion may cause unexpected results. Note: you can set the client character set through the NLS_LANG environment varia…
This ones a little old but was high in the google ranking so I thought I would throw in the answer I found from Chrome, pdf display, Duplicate headers received from the server [Fixed] Basically my problem also was that the filename contained commas.…
启动PL/SQL Developer 报字符编码不一致错误 Database character set (AL32UTF8) and Client character set (ZHS16GBK) are different.Character set conversion may cause unexpected results. Note: you can set the client character set through the NLS_LANG environment varia…
nginx部署网站后,访问域名,网页显示 500 Internal Server Error ,经查看发现nginx的error.log中有报错: failed (1113: No mapping for the Unicode character exists in the target multi-byte code page), client: 127.0.0.1... 但是其他部署的网站又没有问题,根据字眼Unicode character猜测是中文路径的问题,修改后再次访问,成功.…
requirement : connecting to remote oracle server . now I know the connectionURL :connectionUrl :jdbc:oracle:thin:LUXPRODUCTION/LUXPRODUCTION@//10.8.0.50:1521/PLM16D I don't have to install oracle server in local environment. I need to install plsql…
1. consider upgrading MySQL client 描述:因mysql5版本过度到8版本后,访问要求升级mysql的客户端 原因:mysql在升级后,对加密算法部分做了调整导致. 对策: 将mysql的server配置从新安装调整,兼容Legancy. 如果通过以上形式还不能连接,则在mysql命令行使用 > alter user [username] identified with mysql_native_password by '[password]'; //修改为支…
HTTP Status 500 – Internal Server Error Type Exception Report Message Request processing failed; nested exception is org.apache.ibatis.exceptions.PersistenceException: Description The server encountered an unexpected condition that prevented it from…