Hi Adrian,
It worked fine using the basic version of spring jar instead of
velocity-dep. I only removed the velocity-dep and added the velocity basic
jar and Jakarta Commons Lang jar.
Thanks for your help.
Lucas Balensiefer
-----Mensagem original-----
De: Adrian Tarau [mailto:[EMAIL PROTECTED]
Enviada em: quinta-feira, 25 de setembro de 2008 17:10
Para: Velocity Users List
Assunto: Re: RES: Trying to run velocity with JBoss
It doesn't matter :) what component, commons-collection is mandatory and
you don't care which component, you must have it in your classpath.
The purpose of velocity-dep is to be easy to use Velocity without
importing many jar files. It is not a good idea to use velocity + dep
version in a complex environment. Use velocity-1.5.jar and include
mandatory and/or optional libraries as per
http://velocity.apache.org/engine/releases/velocity-1.5/jar-dependencies.htm
l.
If you don't want to escape references(see developer manual) don't
include Jakarta ORO(even if is mandatory).
PS. Maybe Jakarta ORO should be marked as optional because by default
is not used(searching for EscapeHtmlReference doesn't show any usage).
Lucas Balensiefer wrote:
Adrian,
Yes, I'm using commons-collections-2.1 and velocity-dep-1.5 in my
application.
I saw that OrderedMap was using the WebAppClassLoader before Velocity and
when it starts the conflict occurs, but I still don't know what component
uses the OrderedMap.
Thanks,
Lucas.
-----Mensagem original-----
De: Adrian Tarau [mailto:[EMAIL PROTECTED]
Enviada em: quinta-feira, 25 de setembro de 2008 16:21
Para: Velocity Users List
Assunto: Re: Trying to run velocity with JBoss
Lucas,
This is not related with resource loading, there is a class version
conflict in the classloader.
Do you use velocity-dep-1.5.jar and you have Jakarta Commons Collections
in your application?
Lucas Balensiefer wrote:
Hi folks,
I'm trying to run Velocity 1.5 with a web application inside JBoss. I use
Velocity to generate some files, I'm not using to view them.
My code is running fine standalone, but when I'm deploying this in JBoss
and
invoke my class by the application, the exception is thrown:
14:17:37,896 ERROR [STDERR] java.lang.LinkageError: loader constraint
violation: loader (instance of
org/jboss/web/tomcat/service/WebAppClassLoader) previously initiated
loading
for a different type with name
"org/apache/commons/collections/OrderedMap"
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass1(Native
Method)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass(Unknown
Source)
14:17:37,912 ERROR [STDERR] at
java.security.SecureClassLoader.defineClass(Unknown Source)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLo
ader.java:1817)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.jav
a:872)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1325)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1204)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.loadClassInternal(Unknown Source)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass1(Native
Method)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass(Unknown
Source)
14:17:37,912 ERROR [STDERR] at
java.security.SecureClassLoader.defineClass(Unknown Source)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLo
ader.java:1817)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.jav
a:872)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1325)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1204)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.loadClassInternal(Unknown Source)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass1(Native
Method)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.defineClass(Unknown
Source)
14:17:37,912 ERROR [STDERR] at
java.security.SecureClassLoader.defineClass(Unknown Source)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLo
ader.java:1817)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.jav
a:872)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1325)
14:17:37,912 ERROR [STDERR] at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1204)
14:17:37,912 ERROR [STDERR] at
java.lang.ClassLoader.loadClassInternal(Unknown Source)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.resource.ResourceCacheImpl.initialize(ResourceCa
cheImpl.java:71)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.resource.ResourceManagerImpl.initialize(Resource
ManagerImpl.java:198)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.RuntimeInstance.initializeResourceManager(Runtim
eInstance.java:594)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:241)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:534)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.runtime.RuntimeSingleton.init(RuntimeSingleton.java:227)
14:17:37,927 ERROR [STDERR] at
org.apache.velocity.app.Velocity.init(Velocity.java:111)
14:17:37,927 ERROR [STDERR] at
br.com.cwi.reporttool.report.build.velocity.VelocityHandler.<init>(VelocityH
andler.java:41)
I already tried others alternatives (loading by WebappLoader or
ClasspathLoader), but I can't to load the file too. I prefer to use the
FileResourceLoader, but If exists a solution using other Loader, that's
ok.
My code is:
public class VelocityHandler {
private VelocityContext context = null;
private Template template = null;
private static Logger logger =
Logger.getLogger(VelocityHandler.class);
public VelocityHandler(final String templateFile, final String
templatesDir) throws BuildException {
try {
Properties p = new Properties();
//p.setProperty("resource.loader", "webapp");
//p.setProperty("webapp.resource.loader.class",
"org.apache.velocity.tools.view.servlet.WebappLoader");
p.setProperty("resource.loader","file");
p.setProperty("file.resource.loader.class","org.apache.velocity.runtime.reso
urce.loader.FileResourceLoader");
p.setProperty("file.resource.loader.path", templatesDir);
//p.setProperty( "resource.loader", "class" );
//p.setProperty( "class.resource.loader.class",
"org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
try {
Velocity.init(p);
} catch (Throwable e) {
e.printStackTrace();
}
...
Thanks,
Lucas Balensiefer
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