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POHow to make MySQL work on grails 2.0
 

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  1. POHow to make MySQL work on grails 2.0
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    <p>Grails 2.0 seems to have some changes to <code>DataSource.groovy</code> and I don't seem to be able to get mysql running as it was in 1.3.7</p> <p>I did <code>grails install-dependency mysql:mysql-connector-java:5.1.16</code> rather than just dumping the .jar in lib. I hear this is the way to do it these days.</p> <p>Here is what I have replaced in my <code>DataSource.groovy</code>:</p> <pre><code>driverClassName = "org.h2.Driver" ... url = "jdbc:h2:mem:devDb;MVCC=TRUE" </code></pre> <p>With</p> <pre><code>driverClassName = "com.mysql.jdbc.Driver" ... url = "jdbc:mysql://localhost:3306/${dbNamer}?autoreconnect=true" </code></pre> <p>Changing of course the username, password and dbNamer to valid entries... What am I doing wrong? Is there a grails 2.0 tutorial that covers setting up mysql?</p> <p>I get this monster error:</p> <pre><code>| Loading Grails 2.0.0 | Configuring classpath. | Environment set to development..... | Packaging Grails application..... | Compiling 1 source files..... | Running Grails application | Error 2012-01-16 21:39:10,134 [Thread-9] ERROR context.GrailsContextLoader - Error executing bootstraps: Error creating bean with name 'transactionManagerPostProcessor': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' Message: Error creating bean with name 'transactionManagerPostProcessor': Initialization of bean failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' Line | Method -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'transactionManager': Cannot resolve reference to bean 'sessionFactory' while setting bean property 'sessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'sessionFactory': Cannot resolve reference to bean 'hibernateProperties' while setting bean property 'hibernateProperties'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'hibernateProperties': Cannot resolve reference to bean 'dialectDetector' while setting bean property 'properties' with key [hibernate.dialect]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by BeanCreationException: Error creating bean with name 'dialectDetector': Invocation of init method failed; nested exception is org.springframework.jdbc.support.MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by MetaDataAccessException: Error while extracting DatabaseMetaData; nested exception is org.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 334 | innerRun in java.util.concurrent.FutureTask$Sync - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 166 | run in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run . . . in java.lang.Thread Caused by SQLNestedException: Cannot load JDBC driver class 'com.mysql.jdbc.Driver' -&gt;&gt; 1429 | createConnectionFactory in org.apache.commons.dbcp.BasicDataSource - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 1371 | createDataSource in '' | 1044 | getConnection in '' | 334 | innerRun in java.util.concurrent.FutureTask$Sync | 166 | run . . . in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run . . . in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run in java.lang.Thread Caused by ClassNotFoundException: com.mysql.jdbc.Driver -&gt;&gt; 217 | run in java.net.URLClassLoader$1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | 205 | findClass in java.net.URLClassLoader | 321 | loadClass in java.lang.ClassLoader | 266 | loadClass in '' | 1420 | createConnectionFactory in org.apache.commons.dbcp.BasicDataSource | 1371 | createDataSource in '' | 1044 | getConnection in '' | 334 | innerRun in java.util.concurrent.FutureTask$Sync | 166 | run . . . in java.util.concurrent.FutureTask | 1110 | runWorker in java.util.concurrent.ThreadPoolExecutor | 603 | run . . . in java.util.concurrent.ThreadPoolExecutor$Worker ^ 679 | run in java.lang.Thread </code></pre>
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