#migrating from jboss7 to tomcat7

[ravindranr-blog]

Moving a Spring application from Jboss 7.0.2 to Tomcat 7.0.26

Here are steps to move a spring 2.5.6 application from Jboss 7 to tomcat 7.

The biggest issue is that tomcat doesn't come with its own JTA implementation.

Modify the spring version and the spring test jar version from 3.1.0 to 2.5.6.SEC02 for spring-expression and spring-asm updated to version 2.5.6.RELEASE Downgrading to 2.5.6 allows the JOTM tansaction manager to be used in the persistence.xml Remove all the Redirect attributes usages Change hibernate-jpa.jar file to be compile time in pom.xml Remove <mvc:business-context-bean /> call from the spring-business-context.xml Changed the TilesConfigurer with the patched up version to work with spring2.5.6 and tiles2.1.2

Put the following Java file in your project and configure this in your spring context xml file,

/* * Copyright 2002-2007 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */

package com.sumequal.web.tiles2;

import java.util.Enumeration; import java.util.Properties;

import javax.servlet.ServletConfig; import javax.servlet.ServletContext;

import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.tiles.TilesApplicationContext; import org.apache.tiles.TilesContainer; import org.apache.tiles.TilesException; import org.apache.tiles.access.TilesAccess; import org.apache.tiles.context.AbstractTilesApplicationContextFactory; import org.apache.tiles.definition.DefinitionsFactory; import org.apache.tiles.definition.digester.DigesterDefinitionsReader; //import org.apache.tiles.evaluator.el.ELAttributeEvaluator; import org.apache.tiles.factory.AbstractTilesContainerFactory; import org.apache.tiles.factory.TilesContainerFactory; import org.apache.tiles.preparer.BasicPreparerFactory; import org.apache.tiles.servlet.context.ServletTilesApplicationContext; //import org.apache.tiles.servlet.context.wildcard.WildcardServletTilesApplicationContextFactory; import org.apache.tiles.web.util.ServletContextAdapter;

import org.springframework.beans.factory.DisposableBean; import org.springframework.beans.factory.InitializingBean; import org.springframework.util.CollectionUtils; import org.springframework.util.StringUtils; import org.springframework.web.context.ServletContextAware; import org.springframework.web.servlet.view.tiles2.SpringLocaleResolver; import org.springframework.web.servlet.view.tiles2.TilesView;

/** * Helper class to configure Tiles2 for the Spring Framework. See * <a href="http://tiles.apache.org">http://tiles.apache.org</a> * for more information about Tiles, which basically is a templating * mechanism for JSP-based web applications. * * <p>The TilesConfigurer simply configures a TilesContainer using a set * of files containing definitions, to be accessed by {@link TilesView} * instances. * * <p>TilesViews can be managed by any {@link org.springframework.web.servlet.ViewResolver}. * For simple convention-based view resolution, consider using * {@link org.springframework.web.servlet.view.UrlBasedViewResolver} with the * "viewClass" property set to "org.springframework.web.servlet.view.tiles2.TilesView". * * <p>A typical TilesConfigurer bean definition looks as follows: * * <pre> * <bean id="tilesConfigurer"> *   <property name="definitions"> *     <list> *       <value>/WEB-INF/defs/general.xml</value> *       <value>/WEB-INF/defs/widgets.xml</value> *       <value>/WEB-INF/defs/administrator.xml</value> *       <value>/WEB-INF/defs/customer.xml</value> *       <value>/WEB-INF/defs/templates.xml</value> *     </list> *   </property> * </bean></pre> * * The values in the list are the actual files containing the definitions. * * @author Juergen Hoeller * @author Richard Jr Barabé * @since 2.5 * @see TilesView * @see org.springframework.web.servlet.view.UrlBasedViewResolver */ public class SpringTilesConfigurer implements ServletContextAware, InitializingBean, DisposableBean {

protected final static Log logger = LogFactory.getLog(SpringTilesConfigurer.class);

private final Properties tilesPropertyMap = new Properties();

private ServletContext servletContext;

private TilesApplicationContext tilesContext;

public SpringTilesConfigurer() { //            this.tilesPropertyMap.put( //                    AbstractTilesApplicationContextFactory.APPLICATION_CONTEXT_FACTORY_INIT_PARAM, //                    WildcardServletTilesApplicationContextFactory.class.getName()); this.tilesPropertyMap.put( TilesContainerFactory.PREPARER_FACTORY_INIT_PARAM, BasicPreparerFactory.class.getName()); this.tilesPropertyMap.put( DefinitionsFactory.LOCALE_RESOLVER_IMPL_PROPERTY, SpringLocaleResolver.class.getName()); //            this.tilesPropertyMap.put(TilesContainerFactory.ATTRIBUTE_EVALUATOR_INIT_PARAM, ELAttributeEvaluator.class.getName()); this.tilesPropertyMap.put(TilesContainerFactory.CONTAINER_FACTORY_MUTABLE_INIT_PARAM, Boolean.toString(false)); }

/** * Set the Tiles definitions, i.e. the list of files containing the definitions. * Default is "/WEB-INF/tiles.xml". */ public void setDefinitions(String[] definitions) { if (definitions != null) { String defs = StringUtils.arrayToCommaDelimitedString(definitions); if (logger.isInfoEnabled()) { logger.info("TilesConfigurer: adding definitions [" + defs + "]"); } this.tilesPropertyMap.put(DefinitionsFactory.DEFINITIONS_CONFIG, defs); } }

/** * Set whether to validate the Tiles XML definitions. Default is "true". */ public void setValidateDefinitions(boolean validateDefinitions) { this.tilesPropertyMap.put(DigesterDefinitionsReader.PARSER_VALIDATE_PARAMETER_NAME, Boolean.toString(validateDefinitions)); }

/** * Set the {@link org.apache.tiles.definition.DefinitionsFactory} implementation to use. * Default is {@link org.apache.tiles.definition.UrlDefinitionsFactory}, * operating on definition resource URLs. * <p>Specify a custom DefinitionsFactory, e.g. a UrlDefinitionsFactory subclass, * to customize the creation of Tiles Definition objects. Note that such a * DefinitionsFactory has to be able to handle {@link java.net.URL} source objects, * unless you configure a different TilesContainerFactory. */ public void setDefinitionsFactoryClass(Class<?> definitionsFactoryClass) { this.tilesPropertyMap.put(TilesContainerFactory.DEFINITIONS_FACTORY_INIT_PARAM, definitionsFactoryClass.getName()); }

/** * Set the {@link org.apache.tiles.preparer.PreparerFactory} implementation to use. * Default is {@link org.apache.tiles.preparer.BasicPreparerFactory}, creating * shared instances for specified preparer classes. * <p>Specify {@link SimpleSpringPreparerFactory} to autowire * {@link org.apache.tiles.preparer.ViewPreparer} instances based on specified * preparer classes, applying Spring's container callbacks as well as applying * configured Spring BeanPostProcessors. If Spring's context-wide annotation-config * has been activated, annotations in ViewPreparer classes will be automatically * detected and applied. * <p>Specify {@link SpringBeanPreparerFactory} to operate on specified preparer * <i>names</i> instead of classes, obtaining the corresponding Spring bean from * the DispatcherServlet's application context. The full bean creation process * will be in the control of the Spring application context in this case, * allowing for the use of scoped beans etc. Note that you need to define one * Spring bean definition per preparer name (as used in your Tiles definitions). * @see SimpleSpringPreparerFactory * @see SpringBeanPreparerFactory */ public void setPreparerFactoryClass(Class<?> preparerFactoryClass) { this.tilesPropertyMap.put(TilesContainerFactory.PREPARER_FACTORY_INIT_PARAM, preparerFactoryClass.getName()); }

/** * Set whether to use a MutableTilesContainer for this application. * Default is "false". */ public void setUseMutableTilesContainer(boolean useMutableTilesContainer) { this.tilesPropertyMap.put(TilesContainerFactory.CONTAINER_FACTORY_MUTABLE_INIT_PARAM, Boolean.toString(useMutableTilesContainer)); }

/** * Set Tiles properties (equivalent to the ServletContext init-params in * the Tiles documentation), overriding the default settings. */ public void setTilesProperties(Properties tilesProperties) { CollectionUtils.mergePropertiesIntoMap(tilesProperties, this.tilesPropertyMap); }

public void setServletContext(ServletContext servletContext) { this.servletContext = servletContext; }

/** * Creates and exposes a TilesContainer for this web application. * @throws TilesException in case of setup failure */ public void afterPropertiesSet() throws TilesException { TilesContainer container = createTilesContainer(); TilesAccess.setContainer(this.tilesContext, container); }

/** * Create a TilesContainer for this web application. * @param context this web application's ServletContext * @return the TilesContainer to expose * @throws TilesException in case of setup failure */ protected TilesContainer createTilesContainer() throws TilesException { ServletContextAdapter adaptedContext = new ServletContextAdapter(new DelegatingServletConfig()); TilesApplicationContext preliminaryContext = new ServletTilesApplicationContext(adaptedContext); AbstractTilesApplicationContextFactory contextFactory = AbstractTilesApplicationContextFactory.createFactory(preliminaryContext); this.tilesContext = contextFactory.createApplicationContext(adaptedContext); AbstractTilesContainerFactory factory = AbstractTilesContainerFactory.getTilesContainerFactory(this.tilesContext); return factory.createContainer(this.tilesContext); }

/** * Removes the TilesContainer from this web application. * @throws TilesException in case of cleanup failure */ public void destroy() throws TilesException { TilesAccess.setContainer(this.tilesContext, null); }

/** * Internal implementation of the ServletConfig interface, to be passed * to the wrapped servlet. Delegates to ServletWrappingController fields * and methods to provide init parameters and other environment info. */ private class DelegatingServletConfig implements ServletConfig {

public String getServletName() { return "TilesConfigurer"; }

public ServletContext getServletContext() { return servletContext; }

public String getInitParameter(String paramName) { return tilesPropertyMap.getProperty(paramName); }

public Enumeration<?> getInitParameterNames() { return tilesPropertyMap.keys(); } }

}

/WEB-INF/tiles-definitions.xml

downgraded from tiles 2.2.1 to 2.1.2

removed the following line from spring-business-context.xml

<bean id="validator" />

Changed version in persistence.xml from 2.0 to 1.0

After all this change, I've got the following issue,

21:14:56,369 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/sumequal]] (MSC service thread 1-3) Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/spring-business-context.xml]: Invocation of init method failed; nested exception is java.lang.AbstractMethodError

Then I've changed using two application context file, one for web and another for server configurations into one and configured that in ServletDispatcher init param. Everything worked fine.