I have tried all the transaction isolation levels (READ_COMMITTED,READ_UNCOMMITTED,...) and even I have deleted that line in poolman.xml file, but it isn't working yet
I'm new in mysql and I haven't modified any configuration in mysql. Maybe any option that I haven't configured. Any idea? Thanks in advance ----- Original Message ----- From: TAKAHASHI, Tomohiro <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, November 02, 2001 3:43 PM Subject: Re: error in mysql using poolman > HI, > > I think MySQL does not support TransactionIsolationLevel NONE. > And, setTransactionIsolation method of 'org.gjt.mm.mysql.Driver' will > throw SQL Exception. Because, in that case, driver sends SQL statement > 'SET SESSION TRANSACTION ISOLATION LEVEL ;' > to MySQL. This SQL statement is wrong. > > Try another Transaction Isolation Level. > > Thanks. > > felix wrote: > > > > First of all, sorry for this email if you are not the proper person, but I'm > > desperate with this problem > > > > I am testing PoolMan to provide database connection pooling on W98 running > > mysql with the mm.mysql JDBC drivers and JDK 1.3.1. > > > > When I execute my sample code the next error appears: > > > > "java.sql.SQLException: SQLException occurred in JDBCPool: > > java.sql.SQLException: > > Transaction Isolation Levels are not supported. > > params: org.gjt.mm.mysql.Driver, jdbc:mysql://127.0.0.1/cd. Please check > > your us > > ername, password and other connectivity info." > > > > I have checked the params of the database connection and it's working > > correctly with another sample code using standard Java API to access > > database. > > > > The definition of datasource in poolman.xml is: > > > > <datasource> > > > > <dbname>mydb</dbname> > > <jndiName>jndi-mydb</jndiName> > > <driver>org.gjt.mm.mysql.Driver</driver> > > <url>jdbc:mysql://127.0.0.1/cd</url> > > > > <username></username> > > <password></password> > > <minimumSize>0</minimumSize> > > <maximumSize>10</maximumSize> > > <txIsolationLevel>NONE</txIsolationLevel> > > > > <logFile>C:\felix\bd\poolman-2.1-b1\test\mydb.log</logFile> > > > > </datasource> > > > > An the java sample code is: > > Class.forName("com.codestudio.sql.PoolMan").newInstance(); > > Connection con = DriverManager.getConnection("jdbc:poolman://" + > > "mydb"); > > > > What's wrong? > > -- > TAKAHASHI, Tomohiro > > --------------------------------------------------------------------- > Before posting, please check: > http://www.mysql.com/manual.php (the manual) > http://lists.mysql.com/ (the list archive) > > To request this thread, e-mail <[EMAIL PROTECTED]> > To unsubscribe, e-mail <[EMAIL PROTECTED]> > Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php