[JBoss Seam] - Seam 2 migration problem
by caye
Hi, first of all, thanks for the release of the Seam 2.0.0.CR1, its nice to see that you are working hard in new releases :)
I tried to migrate my webapp from the beta version of seam 2.0.0 to this one, and i'm getting this error all the time:
ERROR [[/]] Exception sending context initialized event to listener instance of class org.jboss.web.jsf.integration.config.JBossJSFConfigureListener
| java.lang.NoClassDefFoundError: org/ajax4jsf/application/ViewHandlerWrapper
| at java.lang.ClassLoader.defineClass1(Native Method)
| at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
| at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
| at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1817)
| at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:872)
| at org.jboss.web.tomcat.service.WebAppClassLoader.findClass(WebAppClassLoader.java:139)
| at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1325)
| at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1204)
| at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
| at java.lang.Class.getDeclaredConstructors0(Native Method)
| at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
| at java.lang.Class.getConstructor0(Class.java:2671)
| at java.lang.Class.newInstance0(Class.java:321)
| at java.lang.Class.newInstance(Class.java:303)
| at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:825)
| at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:486)
| at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:381)
| at org.jboss.web.jsf.integration.config.JBossJSFConfigureListener.contextInitialized(JBossJSFConfigureListener.java:69)
| at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3854)
| at org.apache.catalina.core.StandardContext.start(StandardContext.java:4359)
| at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761)
| at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741)
| at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
| at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.apache.catalina.core.StandardContext.init(StandardContext.java:5310)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
| at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeployInternal(TomcatDeployer.java:301)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeploy(TomcatDeployer.java:104)
| at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:375)
| at org.jboss.web.WebModule.startModule(WebModule.java:83)
| at org.jboss.web.WebModule.startService(WebModule.java:61)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| at sun.reflect.GeneratedMethodAccessor221.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy45.start(Unknown Source)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)
| at sun.reflect.GeneratedMethodAccessor223.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:93)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy46.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1015)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy9.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:634)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
It could be nice if you could suggest why i'm getting this all the time (i swear that i have tried all the ways possible before ask this in the forum).
Thanks in advance!
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18 years, 7 months
[JBoss Seam] - accessing facelet's source tag attributes
by amashtakov
Hi,
After reading a bit about facelets source tags I decided to develop
a small component to display prod. catalog:
This is a facelet taglib snippet:
<tag-name>pc</tag-name>
../test/page2.xhtml
This is a snippet from page2.xhtml:
<ui:component binding="#{pcBrowseTree.me}"
xmlns="http://www.w3.org/1999/xhtml">
<h2>#{title}</h2>
...
</ui:component>
And this is a tag usage snippet:
<t:pc name="Browse for products" parent_id="14" />
I'm trying to access parent_id property from pcBrowseTree bean, but with
no success:
FacesContext fctx = FacesContext.getCurrentInstance();
Application app = fctx.getApplication();
VariableResolver vr = app.getVariableResolver();
log.debug(" - getVariableResolver(): " + vr);
log.debug(" - variable resolved to: " + vr.resolveVariable(fctx, "parent_id"));
The last line outputs null. In case if I replace "parent_id" to
"facesContext" the variable is resolved.
Is any way to access source tag's attributes from Java bean ?
Thank you in advance,
/Alexander
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18 years, 7 months
[JNDI/Naming/Network] - NameNotFoundException in Web-Application for 'java:comp/env'
by hiro.protagonist
I am deploying a web application into JBoss 4.0.4GA with an embedded Tomcat 5.5 . The deployment descriptor (WEB-INF/web.xml) contains an <env-entry>:
| ...
| <!-- Setup ENC for this webapp -->
| <env-entry>
| <env-entry-name>ecms/configfile</env-entry-name>
| <env-entry-value>server.properties</env-entry-value>
| <env-entry-type>java.lang.String</env-entry-type>
| </env-entry>
| ...
|
This entry I would like to access via JNDI:
| Context initial = new InitialContext();
| Context environment = (Context)initial.lookup("java:comp/env");
|
This results in a NameNotFoundException for "env". The code works with a standalone Tomcat but not inside JBoss. The JNDI-View confirms that there is no "java:comp/env":
| java: Namespace
|
| +- XAConnectionFactory (class: org.jboss.mq.SpyXAConnectionFactory)
| +- DefaultDS (class: org.jboss.resource.adapter.jdbc.WrapperDataSource)
| +- SecurityProxyFactory (class: org.jboss.security.SubjectSecurityProxyFactory)
| +- DefaultJMSProvider (class: org.jboss.jms.jndi.JNDIProviderAdapter)
| +- comp (class: javax.naming.Context)
| +- JmsXA (class: org.jboss.resource.adapter.jms.JmsConnectionFactoryImpl)
| +- ConnectionFactory (class: org.jboss.mq.SpyConnectionFactory)
| +- jaas (class: javax.naming.Context)
| | +- HsqlDbRealm (class: org.jboss.security.plugins.SecurityDomainContext)
| | +- jbossmq (class: org.jboss.security.plugins.SecurityDomainContext)
| | +- JmsXARealm (class: org.jboss.security.plugins.SecurityDomainContext)
| +- timedCacheFactory (class: javax.naming.Context)
| Failed to lookup: timedCacheFactory, errmsg=org.jboss.util.TimedCachePolicy cannot be cast to javax.naming.NamingEnumeration
| +- TransactionPropagationContextExporter (class: org.jboss.tm.TransactionPropagationContextFactory)
| +- StdJMSPool (class: org.jboss.jms.asf.StdServerSessionPoolFactory)
| +- Mail (class: javax.mail.Session)
| +- TransactionPropagationContextImporter (class: org.jboss.tm.TransactionPropagationContextImporter)
| +- TransactionManager (class: org.jboss.tm.TxManager)
|
My question: How can this happen? I thought the ENC has to exist for every application component, including webapps.
How do I need to configure JBoss to make an ENC available for my web application?
Any help really appreciated.
Forgive me my spelling errors since english is not my native language.
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18 years, 7 months
[JBoss Seam] - Re: Further extending an EntityHome
by mustaghattack
Hi, about the EntityHome class I think it would be better to just pass the entity class as a parameter for the constructor, or at least to have a parameterized constructor.
I've done a quick performance test to see the reflection overhead :
with a Sun 1.6 JVM it's > 30.
| package test.java;
|
| import java.lang.reflect.ParameterizedType;
| import java.lang.reflect.Type;
|
| public class GuessParameterizePerformanceTest {
| public static class GuessParam< E > {
| private Class< E > entityClass;
|
| public GuessParam() {
| getEntityClass();
| }
|
| public Class<E> getEntityClass()
| {
| if (entityClass==null)
| {
| Type type = getClass().getGenericSuperclass();
| if (type instanceof ParameterizedType)
| {
| ParameterizedType paramType = (ParameterizedType) type;
| entityClass = (Class<E>) paramType.getActualTypeArguments()[0];
| }
| else
| {
| throw new IllegalArgumentException("Could not guess entity class by reflection");
| }
| }
| return entityClass;
| }
| }
|
| public static class DontGuessParam< E > {
| private Class< E > entityClass;
|
| public DontGuessParam( Class< E > cls ) {
| this.entityClass = cls;
| getEntityClass();
| }
|
| public Class< E > getEntityClass() {
| return entityClass;
| }
| }
|
| public static class GuessParamChild extends GuessParam< String > {
| }
|
| public static class DontGuessParamChild extends DontGuessParam< String > {
| public DontGuessParamChild() {
| super( String.class );
| }
| }
|
| public static void main(String[] args) {
| float avgGuess = 0, avgDontGuess = 0;
| float nbLoop = 5, nbInstanciation = 1000000;
| long time;
|
| for( long i = 0; i < nbLoop; i ++ ) {
| time = System.currentTimeMillis();
| for( long j = 0; j < nbInstanciation; j ++ ) {
| GuessParamChild guess = new GuessParamChild();
| }
| avgGuess += System.currentTimeMillis() - time;
|
| time = System.currentTimeMillis();
| for( long j = 0; j < nbInstanciation; j ++ ) {
| DontGuessParamChild dontGuess = new DontGuessParamChild();
| }
| avgDontGuess += System.currentTimeMillis() - time;
| }
|
| System.out.println("avgGuess = " + (avgGuess / nbLoop));
| System.out.println("avgDontGuess = " + (avgDontGuess / nbLoop));
| System.out.println( "Guess overhead : " + ( avgGuess - avgDontGuess ) / avgDontGuess );
| }
| }
|
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18 years, 7 months
[EJB 3.0] - EJB 3.0, Database migration tool
by runar.solberg＠adactus.no
Hi,
I have a system which is using JBoss an hibernate, with EJB.3.0. My system can be deployed using diffent database systems, e.g. PostgreSQL, Hypersonic, Oracle, MySql, as I have no database specific code. We use general EJB QL for our queries. So lets say I deploy my application using Mysql. The datamodel is generated in the Mysql DB and everything works fine. Now, after a while I whish to change to say Hypersonic DB or PostgreSQL. I want to keep the allready persisted data. But I have a problem as e.g. enums are translated to different datatypes for the different DBMS. I cannot simply e.g. do an SQL export / import between the different DBMSs, as the O/R mappings will fail. So what I would need is some way to migrate the data through the EJB context, first populating the existing enitities, and do a new O/R mapping to the new DBMS. It there such a tool available? Surely other people must have faced this issue before me?
Thanks for your response.
-R
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18 years, 7 months