I put the Jar (with tomcat 4.0.3 I use *classes12.zip*, for tomcat 5.5.9 I use the same library or the *classes12.jar*?) in the common/lib, and my classpath are:

CLASSPATH=/usr1/jdk1.4.1

but the error doesn't change...

Thanks Mino



On 23/06/2005 20:20, David Smith wrote:

Put the jar in common/lib and don't mess with the classpath. Tomcat's internal classloaders will take care of finding the jar.

--David

Giacomino Raccuia wrote:

Hi!
I just upgraded from tomcat 4.0.3 to 5.5.9, I put all my librarie in shared/lib and set correctly the CLASSPATH, but when I try to load the class

oracle.jdbc.driver.OracleDriver

tomcat return this error

ava.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver
    java.net.URLClassLoader$1.run(URLClassLoader.java:198)
    java.security.AccessController.doPrivileged(Native Method)
    java.net.URLClassLoader.findClass(URLClassLoader.java:186)
    java.lang.ClassLoader.loadClass(ClassLoader.java:299)
    java.lang.ClassLoader.loadClass(ClassLoader.java:255)
    java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
    java.lang.Class.forName0(Native Method)
    java.lang.Class.forName(Class.java:140)
    glib.sql.ConnectionPool.<init>(ConnectionPool.java:41)
    org.apache.jsp.test_jsp._jspService(org.apache.jsp.test_jsp:111)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:322) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    nmda.servlets.MultipartFilter.doFilter(MultipartFilter.java:58)

Do you have any suggestion??
I try this code

try { Class.forName ("oracle.jdbc.OracleDriver"); } catch (Exception ex) {}

and works fine.

Thanks
Mino



On 20/06/2005 16:30, Christoph Kutzinski wrote:

Hi,

I'm trying to install a custom CharsetProvider (UTF7) with my web application (i.e. deliver a JAR with a META-/services/java.nio.charset.spi.CharsetProvider entry in WEB-INF/lib) However the CharsetProvider isn't recognized when it comes to parsing (i.e. calling javax.mail.Part.getContent())
If I place the JAR into <JRE>/lib/ext it works.

The API of CharsetProvider (http://java.sun.com/j2se/1.5.0/docs/api/java/nio/charset/spi/CharsetProvider.html) says: "Charset providers may be installed in an instance of the Java platform as extensions, that is, jar files placed into any of the usual extension directories. Providers may also be made available by adding them to the applet or application class path or by some other platform-specific means. Charset providers are looked up via the current thread's context class loader."

I interpret it this way:
If the JAR is in the classpath (specifically: if it is found by the current context class loader) the Charsetprovider should be automatically recognized. I checked that the context classloader immediately before calling Part.getContent() is the webapp-classloader, so the JARs in WEB-INF/lib should be visible.

So is there any solution to this other than placing the JAR in an extension directory? Could this be a Tomcat bug or is this expected behaviour due to the speciality of the webapp classloaders? (I tried to understand the implifications of Tomcats classloading at http://jakarta.apache.org/tomcat/tomcat-5.5-doc/class-loader-howto.html
but couldn't figure it out by myself)


Thank you,
Christoph

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