>I was going to ask you why you were using it! So is your interest >purely academic? I have existing applications that are moving to Tomcat from another application server. As "dependencies on extensions" is a standard mechanism for shared libraries, they use it in order to be independent from the application servers.
2012/2/6 Pid <p...@pidster.com> > On 05/02/2012 15:03, Violeta Georgieva wrote: > > Hi, > > > > As I wrote I'm placing the extension jar in > "C:\apache-tomcat-7.0.25\ext". > > I tried the following: I specified "C:\apache-tomcat-7.0.25\lib" as value > > for "catalina.ext.dirs" property and now the web application is working. > > > > But then I have two questions: > > > > - Do we need "catalina.ext.dirs" at all if we can use only Tomcat's > > classpath dirs? Let's look through them instead of introducing additional > > property. > > I was going to ask you why you were using it! So is your interest > purely academic? > > > > - Does this mean that we can use only Tomcat's classpath dirs and we > cannot > > specify a custom directory for these extensions? > > It should work. (As per Konstantin's message) > > > p > > > > Thanks > > Violeta > > > > 2012/2/5 Pid <p...@pidster.com> > > > >> On 04/02/2012 21:02, Violeta Georgieva wrote: > >>> Hi, > >>> > >>> Here is how one can reproduce the scenario: > >>> > >>> 1. Start Tomcat > >>> 2. Put attached war in webapps folder > >>> 3. In the console the following error message is printed: > >> > >> In the example above, where have you placed the extension? Is it in one > >> of Tomcat's classpath directories? > >> > >> > >> p > >> > >>> INFO: Deploying web application archive > >>> C:\apache-tomcat-7.0.25\webapps\test-web-app.war > >>> Feb 4, 2012 10:41:44 PM org.apache.catalina.util.ExtensionValidator > >>> validateManifestResources > >>> INFO: ExtensionValidator[/test-web-app][Web Application Manifest]: > >>> Required extension [test-jar] not found. > >>> Feb 4, 2012 10:41:44 PM org.apache.catalina.util.ExtensionValidator > >>> validateManifestResources > >>> INFO: ExtensionValidator[/test-web-app]: Failure to find [1] required > >>> extension(s). > >>> Feb 4, 2012 10:41:44 PM org.apache.catalina.core.StandardContext > >>> startInternal > >>> SEVERE: Error getConfigured > >>> Feb 4, 2012 10:41:44 PM org.apache.catalina.core.StandardContext > >>> startInternal > >>> SEVERE: Context [/test-web-app] startup failed due to previous errors > >>> > >>> 4. Stop Tomcat > >>> 5. Create folder - C:\apache-tomcat-7.0.25\ext > >>> 6. Put the attached jar file in the folder created on step 5 > >>> 7. Start Tomcat with additional VM argument > >>> -Dcatalina.ext.dirs=C:/apache-tomcat-7.0.25/ext > >>> 8. This time the application is deployed successfully. > >>> 9. Request http://localhost:8080/test-web-app/TestServlet > >>> 10. Internal Server Error is returned with the following Exception: > >>> > >>> > >>> java.lang.ClassNotFoundException: test.TestExtension > >>> > >> > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1701) > >>> > >> > org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1546) > >>> test.TestServlet.doGet(TestServlet.java:28) > >>> javax.servlet.http.HttpServlet.service(HttpServlet.java:621) > >>> javax.servlet.http.HttpServlet.service(HttpServlet.java:722) > >>> > >>> I did not change any other Tomcat configuration so it is running with > >>> defaults. > >>> > >>> The scenario is that TestServlet (in war file) instantiates > >>> TestExtension (in jar file, placed in the ext directory). > >>> > >>> Regards > >>> Violeta > >>> 2012/2/4 Christopher Schultz <ch...@christopherschultz.net > >>> <mailto:ch...@christopherschultz.net>> > >>> > >>> Violetta, > >>> > >>> On 2/3/12 8:25 AM, Violeta Georgieva wrote: > >>>> I have a web application that specifies in the Manifest that wants > >>>> to use an extension. > >>> > >>>> I specify "catalina.ext.dirs" to point to the directory where I > >>>> placed my extensions jar files. > >>> > >>> What is the value of the catalina.ext.dirs system property? Where did > >>> you set it? Can you verify that it is set when the JVM actually starts? > >>> > >>> What files are in the directory or directories specified by > >>> catalina.ext.dir? > >>> > >>>> Unfortunately when I request my application I'm receiving > >>>> "ClassNotFoundException". > >>> > >>> What class cannot be found? Is it found in any of the JAR files you > >>> have in your catalina.ext.dir (which is, of course, the whole point of > >>> the feature)? > >>> > >>>> I verified that > >>> > >>>> ExtensionValidator.validateApplication() succeeded to find the > >>>> extension jar file. > >>> > >>> How did you verify this? Are there logs that suggest your JAR file is > >>> being scanned? Please provide them. > >>> > >>>> What could be the problem? May be I'm missing some configuration? > >>> > >>> You might be, but you haven't provided any configuration to us, so we > >>> don't know if you're missing something. Clearly, something is > >>> misconfigured. > >>> > >>> -chris > >>> > >>> > --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > >>> <mailto:users-unsubscr...@tomcat.apache.org> > >>> For additional commands, e-mail: users-h...@tomcat.apache.org > >>> <mailto:users-h...@tomcat.apache.org> > >> > > >>> > >>> > >>> > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > >>> For additional commands, e-mail: users-h...@tomcat.apache.org > >> > >> -- > >> > >> [key:62590808] > >> > >> > > > > > -- > > [key:62590808] > >
