I have backup the $CATALINA_HOME/CONF/context.xml of tomcat.
And deploy my contexte.xml in the repertory
$CATALINA_HOME/webapps/myapp/META-INF/context.xml
<?xml version='1.0' encoding='utf-8'?>
<Context
reloadable="true"
crossContext="true">
<Resource
name="jdbc/hibernate"
auth="Container"
type="javax.sql.DataSource"
description="DB Connection"
driverClass="com.mysql.jdbc.Driver"
validationQuery="select 1"
jdbcUrl="jdbc:mysql://localhost:3306/opensource"
user="root"
password="xxxx"/>
</Context>
And I have the same error :( :
INFO [http-8080-1] (DatasourceConnectionProvider.java:61) - Using datasource:
java:comp/env/jdbc/hibernate
WARN [http-8080-1] (SettingsFactory.java:117) - Could not obtain connection
metadata
org.apache.tomcat.dbcp.dbcp.SQLNestedException: Cannot create JDBC driver of
class '' for connect URL 'null'
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1150)
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
at
org.hibernate.connection.DatasourceConnectionProvider.getConnection(DatasourceConnectionProvider.java:69)
at
org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:84)
at
org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2009)
at
org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1292)
at com.mycompany.hibernate.HibernateUtil.<clinit>(Unknown Source)
at com.mycompany.hibernate.GestionBDD.selectQuery(Unknown Source)
at com.mycompany.middleware.CDataFromBDD.getListDomaine(Unknown Source)
at com.mycompany.commun.PanelTreeView.<init>(Unknown Source)
at com.mycompany.HomePage.initPanels(Unknown Source)
at com.capgemini.HomePage.<init>(Unknown Source)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:149)
at
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:58)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:262)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:283)
at
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:210)
at
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:91)
at
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1166)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1243)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1331)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:493)
at
org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:363)
at
org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:194)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at sun.jdbc.odbc.JdbcOdbcDriver.getProtocol(JdbcOdbcDriver.java:507)
at sun.jdbc.odbc.JdbcOdbcDriver.knownURL(JdbcOdbcDriver.java:476)
at sun.jdbc.odbc.JdbcOdbcDriver.acceptsURL(JdbcOdbcDriver.java:307)
at java.sql.DriverManager.getDriver(DriverManager.java:253)
at
org.apache.tomcat.dbcp.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1143)
-----Message d'origine-----
De : Caldarale, Charles R [mailto:[EMAIL PROTECTED]
Envoyé : jeudi 24 avril 2008 14:32
À : Tomcat Users List
Objet : RE: Datasource and Hibernate
> From: Dubois, Fabien [mailto:[EMAIL PROTECTED]
> Subject: Datasource and Hibernate
>
> I have looked to the tomcat 6 official documentation,
> and in the $CATALINA_HOME/conf/context.xml, i have declared :
> <Context
> path="/appWicket"
You must never, under any circumstances, specify a path attribute in the
conf/context.xml file. The purpose of this context.xml is to supply
common attributes for all webapps, not a particular one.
You should be placing your webapp-specific elements and attributes in
your webapp's META-INF/context.xml file; when doing so, you must not use
a path attribute there either, since the path is derived from the name
of the webapp.
- Chuck
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