-2 
Jul 03, 2013 9:19:08 AM org.apache.cayenne.configuration.XMLDataChannelDescriptorLoader load
INFO: Loading XML configuration resource from file:/C:/Users/Shadi/Documents/spring%20tool%20projects/myBookstore/target/classes/cayenne-project.xml
Jul 03, 2013 9:19:08 AM org.apache.cayenne.configuration.XMLDataChannelDescriptorLoader$DataSourceChildrenHandler createChildTagHandler
INFO: loading user name and password.
Jul 03, 2013 9:19:08 AM org.apache.cayenne.log.CommonsJdbcEventLogger logPoolCreated
INFO: Created connection pool: jdbc:mysql://localhost/bookstore
    Driver class: com.mysql.jdbc.Driver
    Min. connections in the pool: 1
    Max. connections in the pool: 1
Jul 03, 2013 9:19:08 AM org.apache.cayenne.log.CommonsJdbcEventLogger logConnectFailure
INFO: *** Connecting: FAILURE.
java.sql.SQLException: Can not load JDBC driver named 'com.mysql.jdbc.Driver': com.mysql.jdbc.Driver
    at org.apache.cayenne.conn.DriverDataSource.loadDriver(DriverDataSource.java:60)
    at org.apache.cayenne.conn.DriverDataSource.setDriverClassName(DriverDataSource.java:254)
    at org.apache.cayenne.conn.DriverDataSource.<init>(DriverDataSource.java:99)
    at org.apache.cayenne.conn.DriverDataSource.<init>(DriverDataSource.java:85)
    at org.apache.cayenne.conn.PoolManager.<init>(PoolManager.java:90)
    at org.apache.cayenne.configuration.server.XMLPoolingDataSourceFactory.getDataSource(XMLPoolingDataSourceFactory.java:64)
    at org.apache.cayenne.configuration.server.DelegatingDataSourceFactory.getDataSource(DelegatingDataSourceFactory.java:68)
    at org.apache.cayenne.configuration.server.DataDomainProvider.createAndInitDataDomain(DataDomainProvider.java:203)
    at org.apache.cayenne.configuration.server.DataDomainProvider.get(DataDomainProvider.java:111)
    at org.apache.cayenne.configuration.server.DataDomainProvider.get(DataDomainProvider.java:58)
    at org.apache.cayenne.di.spi.CustomProvidersProvider.get(CustomProvidersProvider.java:38)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.get(FieldInjectingProvider.java:42)
    at org.apache.cayenne.di.spi.DefaultScopeProvider.get(DefaultScopeProvider.java:49)
    at org.apache.cayenne.di.spi.DefaultInjector.getInstance(DefaultInjector.java:107)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.injectMember(FieldInjectingProvider.java:93)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.injectMembers(FieldInjectingProvider.java:58)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.get(FieldInjectingProvider.java:43)
    at org.apache.cayenne.di.spi.DefaultScopeProvider.get(DefaultScopeProvider.java:49)
    at org.apache.cayenne.di.spi.DefaultInjector.getInstance(DefaultInjector.java:103)
    at org.apache.cayenne.configuration.CayenneRuntime.getContext(CayenneRuntime.java:182)
    at mybookstore.Main.main(Main.java:23)

Exception in thread "main" org.apache.cayenne.configuration.server.DataDomainLoadException: [v.3.1M3 Sep 12 2011 19:59:45] Error loading DataChannel: 'Can not load JDBC driver named 'com.mysql.jdbc.Driver': com.mysql.jdbc.Driver'
    at org.apache.cayenne.configuration.server.DataDomainProvider.get(DataDomainProvider.java:117)
    at org.apache.cayenne.configuration.server.DataDomainProvider.get(DataDomainProvider.java:58)
    at org.apache.cayenne.di.spi.CustomProvidersProvider.get(CustomProvidersProvider.java:38)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.get(FieldInjectingProvider.java:42)
    at org.apache.cayenne.di.spi.DefaultScopeProvider.get(DefaultScopeProvider.java:49)
    at org.apache.cayenne.di.spi.DefaultInjector.getInstance(DefaultInjector.java:107)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.injectMember(FieldInjectingProvider.java:93)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.injectMembers(FieldInjectingProvider.java:58)
    at org.apache.cayenne.di.spi.FieldInjectingProvider.get(FieldInjectingProvider.java:43)
    at org.apache.cayenne.di.spi.DefaultScopeProvider.get(DefaultScopeProvider.java:49)
    at org.apache.cayenne.di.spi.DefaultInjector.getInstance(DefaultInjector.java:103)
    at org.apache.cayenne.configuration.CayenneRuntime.getContext(CayenneRuntime.java:182)
    at mybookstore.Main.main(Main.java:23)
Caused by: java.sql.SQLException: Can not load JDBC driver named 'com.mysql.jdbc.Driver': com.mysql.jdbc.Driver
    at org.apache.cayenne.conn.DriverDataSource.loadDriver(DriverDataSource.java:60)
    at org.apache.cayenne.conn.DriverDataSource.setDriverClassName(DriverDataSource.java:254)
    at org.apache.cayenne.conn.DriverDataSource.<init>(DriverDataSource.java:99)
    at org.apache.cayenne.conn.DriverDataSource.<init>(DriverDataSource.java:85)
    at org.apache.cayenne.conn.PoolManager.<init>(PoolManager.java:90)
    at org.apache.cayenne.configuration.server.XMLPoolingDataSourceFactory.getDataSource(XMLPoolingDataSourceFactory.java:64)
    at org.apache.cayenne.configuration.server.DelegatingDataSourceFactory.getDataSource(DelegatingDataSourceFactory.java:68)
    at org.apache.cayenne.configuration.server.DataDomainProvider.createAndInitDataDomain(DataDomainProvider.java:203)
    at org.apache.cayenne.configuration.server.DataDomainProvider.get(DataDomainProvider.java:111)
    ... 12 more

请帮我

4

2 回答 2

1

此回复适用于仍然面临此问题的人。

我遇到了同样的问题。我找到了以下修复（Courtsey “Andrus” 发布在 nabble.com）。这解决了我的 oracle 问题。

从 CayenneModeler GUI 连接时是否收到此错误？

如果是这样，您需要转到“工具 -> 首选项 -> 类路径”并单击
“添加 Jar/Zip”按钮并导航到 Oracle 驱动程序 jar 文件（
类似 ojdbc14.jar 的文件）。将路径添加到驱动程序后，单击
“保存”，您应该能够连接。

来源：http ://cayenne.195.n3.nabble.com/Problem-connecting-oracle-10-td718.html

我认为他在 nabble.com 上的回答更好。我可以在我之前看到他的帖子！;)

于 2015-04-06T02:38:58.960 回答
0

确保 mysql 驱动程序 jar 位于应用程序的类路径中

于 2013-07-03T06:47:00.387 回答