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Java Forum / Databases / February 2005Hibernate and log4j config under Tomcat.
"Under Tomcat 3.x and 4.x, you should place the log4j.properties under the WEB-INF/classes directory of your web-applications. Log4j will find the properties file and initialize itself. This is easy to do and it works." "The XML configuration file is placed in the context classpath (WEB-INF/classes), as hibernate.cfg.xml" I don't know what's Tomcat's problem but in both cases, despite what the documentation says, placing the config files in WEB-INF/classes didn't work. For log4j I ended up using an initialization servlet. For Hibernate, I placed the xml file in several folders after some googling: WEB-INF/classes ; WEB-INF/classes/<path to class file> ; WEB-INF/src ; <tomcat_home>/conf Nothing worked and this time Tomcat explicitly told me that the file is not to be found. I ended up having to specify an absolute path to at least see that the code I'm actually interested in works. I don't know what's Tomcat's problem... or mine... Rico. > "Under Tomcat 3.x and 4.x, you should place the log4j.properties under the > WEB-INF/classes directory of your web-applications. Log4j will find the [quoted text clipped - 20 lines] > > Rico. Likely yours. I just set up a fresh Hibernate install on Tomcat 5.5 (with Log4j) with no problems. Define what you mean by "didn't work". > "Rico" <ras_nas@yahoo.com> wrote in message >> "The XML configuration file is placed in the context classpath >> (WEB-INF/classes), as hibernate.cfg.xml" >> For Hibernate, I placed the xml file in several folders after some >> googling: [quoted text clipped - 11 lines] > Likely yours. I just set up a fresh Hibernate install on Tomcat 5.5 > (with Log4j) with no problems. Define what you mean by "didn't work". As I said, for Hibernate under Tomcat (4.1.18 and 4.1.31), no matter where I put the hibernate.cfg.xml, including WEB-INF/classes, I got the message that the file is not to be found when we reach the following code: sessionFactory = new Configuration().configure() .buildSessionFactory(); 2005-02-18 15:28:00,968 WARN http-8080-Processor4 net.sf.hibernate.cfg.Configuration - /hibernate.cfg.xml not found I've considered trying Tomcat 5.0.x but it seems that first I need to figure out which ones and adapt a couple of settings in server.xml and/or web.xml to get it to stop crashing. Rico. > As I said, for Hibernate under Tomcat (4.1.18 and 4.1.31), no matter where > I put the hibernate.cfg.xml, including WEB-INF/classes, I got the message [quoted text clipped - 9 lines] > figure out which ones and adapt a couple of settings in server.xml and/or > web.xml to get it to stop crashing. What version of Hibernate are you using? When I remove the config file, I get this in the log: (line breaks inserted to prevent wrap and logging set to INFO level) INFO [http-8080-Processor25] cfg.Environment (<clinit>:483) - Hibernate 2.1.8 INFO [http-8080-Processor25] cfg.Environment (<clinit>:512) - hibernate.properties not found INFO [http-8080-Processor25] cfg.Environment (<clinit>:543) - using CGLIB reflection optimizer INFO [http-8080-Processor25] cfg.Environment (<clinit>:572) - using JDK 1.4 java.sql.Timestamp handling INFO [http-8080-Processor25] cfg.Configuration (configure:909) - configuring from resource: /hibernate.cfg.xml INFO [http-8080-Processor25] cfg.Configuration (getConfigurationInputStream:881) - Configuration resource: /hibernate.cfg.xml WARN [http-8080-Processor25] cfg.Configuration (getConfigurationInputStream:885) - /hibernate.cfg.xml not found ERROR [http-8080-Processor25] persistence.HibernateUtil (<clinit>:19) - Initial SessionFactory creation failed. net.sf.hibernate.HibernateException: /hibernate.cfg.xml not found Does that look like what you're getting? I assume you're using some build tool. Are you sure that the config file is being built to the right place? > What version of Hibernate are you using? When I remove the config file, > I get this in the log: (line breaks inserted to prevent wrap and logging [quoted text clipped - 22 lines] > build tool. Are you sure that the config file is being built to the > right place? I was using 2.1.6 and I upgraded to 2.1.8. The above is almost exactly what I still get. I am positive that I have a file hibernate.cfg.xml in my application's WEB-INF/classes folder. It's the same config file that was at the root of the Eclipse project that didn't require an absolute path to find it. Rico. > "Under Tomcat 3.x and 4.x, you should place the log4j.properties under the > WEB-INF/classes directory of your web-applications. Log4j will find the [quoted text clipped - 20 lines] > > Rico. Believe me, I've really had to keep trying before getting to this point: Tomcat can now see hibernate.cfg.xml and log4j.properties which are in my WEB-INF/classes folder as per the documentation. What isn't in the documentation is whether the absolute path for the web application needs to be <CATALINA_HOME>/webapps/<app_folder>/WEB_INF/classes because from what I observe, only then things work as they are supposed to. If I am to use another installation path for the application, I'm stuck with e.g using initialization servlet or probably a ResourceBundle to pass the path to Hibernate's Configuration class ? Rico. > Believe me, I've really had to keep trying before getting to this point: > [quoted text clipped - 3 lines] > application needs to be > <CATALINA_HOME>/webapps/<app_folder>/WEB_INF/classes No, it does not. > because from what I observe, only then things work as they are supposed to. > If I am to use another installation path for the application, I'm stuck > with e.g using initialization servlet or probably a ResourceBundle to pass > the path to Hibernate's Configuration class ? What do you mean by "another installation path"? What path, and how do you set it up for Tomcat to access it? > "Rico" <ras_nas@yahoo.com> wrote in message >> Believe me, I've really had to keep trying before getting to this point: [quoted text clipped - 14 lines] > What do you mean by "another installation path"? What path, and how do > you set it up for Tomcat to access it? C:\\myWebApp <Context path="/something" docBase="C:\\myWebApp" /> In such a case, Tomcat cannot find C:\myWebApp\WEB-INF\classes\hibernate.cfg.xml Same goes for C:\myWebApp\WEB-INF\classes\log4j.properties Though from the way I understand the documentation they're supposed to be found. It's when I use the following installation folder that e.g Hibernate's no-args configure() succeeds as Tomcat can find the hibernate.cfg.xml in: <CATALINA_HOME>/webapps/<app_folder>/WEB_INF/classes Rico. > <Context path="/something" docBase="C:\\myWebApp" /> Try docBase="C:\myWebApp". > "Rico" <ras_nas@yahoo.com> wrote in message >> <Context path="/something" docBase="C:\\myWebApp" /> > Try docBase="C:\myWebApp". humm... any particular reason why we'd expect that to make a difference? >> "Rico" <ras_nas@yahoo.com> wrote in message > >>> <Context path="/something" docBase="C:\\myWebApp" /> >> Try docBase="C:\myWebApp". > > humm... any particular reason why we'd expect that to make a difference? Not particularly. It's just an inconsistency that I noticed. This is an OS path, not a Java String. You don't need to escape the '\'s. It *should* work the same regardless, but you never know. As for your problem in general, either you've got a corrupted installation or you're not telling some vital bit of information, because the behavior you've described is not normal. Here is a complete context that I have saved as "$CATALINA_BASE\conf\Catalina\localhost\recipes.xml" on WinXP Home: <Context docBase="C:\Projects\recipes\target\recipes" reloadable="true" backgroundProcessorDelay="2"> <Resource name="jdbc/recipes" auth="Container" type="javax.sql.DataSource" maxActive="10" maxIdle="2" maxWait="10000" username="root" password="root" driverClassName="com.mysql.jdbc.Driver" url="jdbc:mysql://localhost:3306/reciperack"/> </Context> Obviously you can ignore the Resource element. The corresponding exploded web application is at "C:\Projects\recipes\target\recipes", just as in the docBase attribute. In "C:\Projects\recipes\target\recipes\WEB-INF\classes", I have hibernate.cfg.xml and log4j.properties, not to mention a Struts resource file, jndi.properties, and hibernate mapping file, all of which are found on the classpath when needed. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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