jdbc:mysql://127.0.0.1:3306/test?useUnicode=true -----Original Message----- From: Galbayar [mailto:[EMAIL PROTECTED] Sent: Monday, November 24, 2003 5:48 PM To: Tomcat Users List Subject: RE: lame,encoding problem
jdbc:mysql://127.0.0.1:3306/test/?useUnicode=true -----Original Message----- From: bwasko [mailto:[EMAIL PROTECTED] Sent: Monday, November 24, 2003 4:50 PM To: Tomcat Users List Subject: Re: lame,encoding problem Hi I 've tried to execute insert statement that contains my national characters with the mysql command-line client tool and all looks ok. The strings are properly written into database. But writing into it with use of jdbc driver ends with chars like '??????'. I use mysql-connector and i think it causes these problems. Cheers Bartek ----- Original Message ----- From: "Christopher Schultz" <[EMAIL PROTECTED]> To: "Tomcat Users List" <[EMAIL PROTECTED]> Sent: Monday, November 24, 2003 4:41 AM Subject: Re: lame,encoding problem > Bartek, > > > But then when I do something with these > > parameters and my mysql database I get then them wrong encoded and > > all data read from mysql are wrong encoded . > > Hmmm... if you use your Java code to insert some text into the DB, does > it look okay when you read it back out using the mysql command-line > tool? I'm wondering if the characters are being mangled on the way into > of out of the database. > > See... the UTF-8 encoding only comes into play when converting bytes > from the request into Strings on which your Java code operates. Once > you're in the Java world, everything should be okay. Again, when you > write the data back out to the response, the UTF-8 comes into play as well. > > However, when writing to the db, the strings also need to be converted > to bytes by some character encoding. It's very possible that either the > VM and/or MySQL are using incompatible character sets. Check to see what > the value of the system property "file.encoding" is at runtime. > > Then again... unless you really are using multibyte characters, you > should be okay no matter what. The MySQL JDBC driver should be using the > same encoding going both to and from the db. But, if it's an encoding > that doesn't understand multibyte characters (like ISO-8859-1), then you > might be permanently damaging those characters. Though I use MySQL/Java > all the time, I'm not sure how to set the character encoding for the > JDBC driver. Check the MySQL documentation, and let us know what you find. > > Hope that helps, > -chris > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
