Home » Eclipse Projects » Gemini » Namespace discovery problem inside a WAR bundle (Describe the trouble I have deploying my war and share what I found about it)
| Namespace discovery problem inside a WAR bundle [message #1142724] |
Thu, 17 October 2013 20:28  |
 Michael De Bellefeuille
Messages: 2
Registered: October 2013 |
Junior Member |
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I'm using Gemini Blueprint 2.0.0.M02 deployed on a Glassfish server V3.1.2 in which I encountered this problem when I deploy a war bundle :
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem:
Unable to locate Spring NamespaceHandler for XML schema namespace [http\://www.eclipse.org/gemini/blueprint/schema/blueprint]
Offending resource: ServletContext resource [/WEB-INF/applicationContext.xml]
I'm having the same problem with the context namespace, depending which one is first in the xml, here is a similar issue : http\://www.eclipse.org/forums/index.php/t/204946/ (pretty old post so I started a new one)
Note : added '\' to be able to post, cannot post links
Here is my application context :
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http\://www.springframework.org/schema/beans"
xmlns:xsi="http\://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http\://www.springframework.org/schema/context"
xmlns:osgi="http\://www.eclipse.org/gemini/blueprint/schema/blueprint"
xsi:schemaLocation="http\://www.springframework.org/schema/beans http\://www.springframework.org/schema/beans/spring-beans-3.2.xsd
http\://www.springframework.org/schema/context http\://www.springframework.org/schema/context/spring-context-3.2.xsd
http\://www.eclipse.org/gemini/blueprint/schema/blueprint http\://www.eclipse.org/gemini/blueprint/schema/blueprint/gemini-blueprint.xsd">
<bean id="wakarimashitaJSF" class="com.sti.sigbud.servlet.WakarimashitaJSF">
<property name="loggingTestServiceInterface" ref="loggingService" />
</bean>
<osgi:reference id="loggingService" interface="com.sti.loggingservices.serviceinterface.LoggingServiceInterface" availability="optional"/>
<context:component-scan base-package="com.sti.sigbud"/>
</beans>
Manifest:
Manifest-Version: 1.0
Bnd-LastModified: 1382037086095
Build-Jdk: 1.6.0_45
Built-By: debellefeuillem
Bundle-ClassPath: .,WEB-INF/classes,WEB-INF/lib
Bundle-Description: Core Sigbud
Bundle-ManifestVersion: 2
Bundle-Name: sigbud
Bundle-SymbolicName: sigbud
Bundle-Version: 3.0.0.SNAPSHOT
Created-By: Apache Maven Bundle Plugin
Export-Package: com.sti.sigbud.servlet;uses:="com.sti.loggingservices.se
rviceinterface,javax.servlet,javax.servlet.http";version="3.0.0.SNAPSHO
T"
Import-Package: javax.servlet;version="[3.0,4)",javax.servlet.http;versi
on="[3.0,4)",com.sti.loggingservices.serviceinterface;version="[1.0,2)"
,javax.servlet.jsp,javax.servlet.jsp.tagext,org.springframework.web.con
text.request;version="[3.2,4)",org.eclipse.gemini.blueprint.service.imp
orter.support;version="[2.0,3)",org.springframework.aop,org.springframe
work.beans.propertyeditors,org.eclipse.gemini.blueprint.service.importe
r;version="[2.0,3)",org.springframework.web.jsf.el;version="[3.2,4)",or
g.springframework.beans.factory.xml,org.springframework.web.context;ver
sion="[3.2,4)",javax.faces.bean;version="2.1",org.aopalliance.aop,org.e
clipse.gemini.blueprint.service.exporter.support;version="[2.0,3)",org.
springframework.stereotype,org.springframework.context.annotation,com.s
un.enterprise.security.jmac.config,javax.servlet.jsp.el,org.springframe
work.context.config,org.osgi.framework;version="1.5.0",org.xml.sax,org.
eclipse.gemini.blueprint.context.support;version="[2.0,3)",org.springfr
amework.aop.framework
Spring-Context: WEB-INF/applicationContext*.xml
Tool: Bnd-2.1.0.20130426-122213
Web-ContextPath: /sigbud
Webapp-Context: /sigbud
N.B. : I tried with and without the Spring-Context header, explaining further the behaviour
I found something intriguing because I deployed a Gemini managed Bundle packaged as a jar and it was deployed correctly along with the service it produce.
Jar Manifest :
Manifest-Version: 1.0
Bnd-LastModified: 1381949781885
Build-Jdk: 1.6.0_45
Built-By: debellefeuillem
Bundle-ClassPath: .,classes
Bundle-Description: Application Logging Management
Bundle-ManifestVersion: 2
Bundle-Name: logging
Bundle-SymbolicName: logging
Bundle-Version: 1.0.0.SNAPSHOT
Created-By: Apache Maven Bundle Plugin
Import-Package: org.apache.log4j;version="1.2.17",org.apache.log4j.spi;v
ersion="1.2.17",com.sti.loggingservices.serviceinterface;version="[1.0,
2)",org.osgi.framework;version="1.5.0"
Spring-Context: springconfig/logging*.xml
Tool: Bnd-2.1.0.20130426-122213
Jar Spring XML
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http\://www.eclipse.org/gemini/blueprint/schema/blueprint"
xmlns:xsi="http\://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http\://www.springframework.org/schema/beans"
xsi:schemaLocation="http\://www.springframework.org/schema/beans http\://www.springframework.org/schema/beans/spring-beans.xsd
http\://www.eclipse.org/gemini/blueprint/schema/blueprint http\://www.eclipse.org/gemini/blueprint/schema/blueprint/gemini-blueprint.xsd">
<service id="loggingService" ref="loggingServiceImplementation" interface="com.sti.loggingservices.serviceinterface.LoggingServiceInterface"/>
</beans:beans>
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http\://www.springframework.org/schema/beans"
xmlns:xsi="http\://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http\://www.springframework.org/schema/beans http\://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="loggingServiceImplementation" class= "com.sti.logging.service.LoggingService"/>
</beans>
Realizing that my jar was ok but not my war, I decided to remote debug the deployment of both of them to see what was happening. So I put a breakpoint in the class org.springframework.beans.factory.xml.BeanDefinitionParserDelegate(line 1433) I discovered that:
Deploying my Jar bundle, only one thread (Thread [EclipseGeminiBlueprintExtenderThread-66]) is calling that method and it discovers the namespace. So there is no problems for that one.
But, when deploying my War bundle, the thread reading the applicationContext file is not the one managed by EclipseGeminiBlueprintExtenderThread, doing so it cannot find the Context namespace nor the OSGi namespace. I tried adding into the manifest the Spring-Context header, doing so I saw while remote debuging that there were 2 threads calling that methods (Thread [EclipseGeminiBlueprintExtenderThread-68] and Thread[pool-15-thread-1]), the thread EclipseGeminiBlueprintExtenderThread works as supposed finding the namespace and all my injections are done correctly, but the second thread doesn't find the namespace and throws the exception making my application context deployment failing.
In spring DM there was a context parameter to add to the web.xml :
<context-param>
<param-name>contextClass</param-name>
<param-value>
org.springframework.osgi.web.context.support.OsgiBundleXmlWebApplicationContext
</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>
WEB-INF/applicationContext.xml,
WEB-INF/applicationContext-osgi.xml
</param-value>
</context-param>
The class was provided by the jar spring-osgi-web, This class is not available in Gemini Blueprint, I tried with org.eclipse.gemini.blueprint.context.support.OsgiBundleXmlApplicationContext but it doesn't work because that class does not implement org.springframework.web.context.ConfigurableWebApplicationContext, is there something similar to the context-param or something else that I need to do to make it deploy correctly?
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