[gradebook2-dev] need to restart sakai whenever I make a code change to gradebook2

[Kim Huang]

Thanks, I will try.
Thomas Amsler wrote:
> If you have to work in Sakai mode, then you might want to experiment 
> with:
>
> http://www.zeroturnaround.com/jrebel/
>
> I experimented with it in 2008 when it was called JavaRebel:
> http://tamsler.blogspot.com/2008/12/using-javarebel-during-gwt-development.html
>
> I never got around to try this in full Sakai mode, but maybe others 
> have. It may be worth asking the sakai-dev mailing list.
>
> Best,
> -- Thomas
>
> On Wed, Jun 2, 2010 at 10:40 AM, Kim Huang <kimhuang at oit.rutgers.edu 
> <mailto:kimhuang at oit.rutgers.edu>> wrote:
>
>     hi, folks,
>     Please help,
>
>     It is painful to restart sakai whenever I make a code change to
>     gradebook2, otherwise it throws:
>
>     org.springframework.beans.factory.BeanCreationException: Error
>     creating
>     bean with name
>     'org.sakaiproject.gradebook.gwt.sakai.Gradebook2ComponentService'
>     defined in ServletContext resource [/WEB-INF/gbServices.xml]:
>     Invocation
>     of init method failed; nested exception is
>     org.springframework.beans.factory.CannotLoadBeanClassException: Cannot
>     find class [org.sakaiproject.sample.tool.ItemServiceImpl] for bean
>     with
>     name 'org.sakaiproject.sample.tool.ItemService' defined in
>     ServletContext resource [/WEB-INF/components.xml]; nested exception is
>     java.lang.ClassNotFoundException:
>     org.sakaiproject.sample.tool.ItemServiceImpl
>        at
>     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
>        at
>     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
>        at
>     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at
>     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
>        at
>     org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
>        at
>     org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
>        at
>     org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
>        at
>     org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
>        at
>     org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
>        at
>     org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
>        at
>     org.sakaiproject.component.impl.ContextLoader.initWebApplicationContext(ContextLoader.java:64)
>        at
>     org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
>        at
>     org.sakaiproject.util.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:56)
>        at
>     org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3764)
>        at
>     org.apache.catalina.core.StandardContext.start(StandardContext.java:4216)
>        at
>     org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)
>        at
>     org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)
>        at
>     org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)
>        at
>     org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:831)
>        at
>     org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:720)
>        at
>     org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
>        at
>     org.apache.catalina.startup.HostConfig.check(HostConfig.java:1218)
>        at
>     org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:293)
>        at
>     org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)
>        at
>     org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1306)
>        at
>     org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1570)
>        at
>     org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1579)
>        at
>     org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1559)
>        at java.lang.Thread.run(Thread.java:637)
>     Caused by:
>     org.springframework.beans.factory.CannotLoadBeanClassException: Cannot
>     find class [org.sakaiproject.sample.tool.ItemServiceImpl] for bean
>     with
>     name 'org.sakaiproject.sample.tool.ItemService' defined in
>     ServletContext resource [/WEB-INF/components.xml]; nested exception is
>     java.lang.ClassNotFoundException:
>     org.sakaiproject.sample.tool.ItemServiceImpl
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1141)
>        at
>     org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:524)
>        at
>     org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1177)
>        at
>     org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:222)
>        at
>     org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:202)
>        at
>     org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:933)
>        at
>     org.sakaiproject.gradebook.gwt.sakai.Gradebook2ComponentServiceImpl.init(Gradebook2ComponentServiceImpl.java:1698)
>        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:597)
>        at org.springframework.beans.factory.support.AbstractAutowir
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>
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