Anyone solved the problem？
On 3月20日, 上午4时08分, Flemming Boller <flemming.bol...@gmail.com> wrote:
> I can also confirm the above experience. "loader constraint violation"
>
> /Flemming
>
> On Thu, Mar 19, 2009 at 6:56 PM, magbyr <mag...@gmail.com> wrote:
>
> > I tried creating a completely blank / new 1.6RC project. When I put
> > spring.jar and a blank applicationContext.xml the project stops
> > working.
> > Tried both with the spring context-listener and the spring servlet.
>
> > [WARN] failed springServlet
> > java.lang.LinkageError: loader constraint violation: loader (instance
> > of com/google/gwt/dev/shell/jetty/JettyLauncher$WebAppContextWithReload
> > $WebAppClassLoaderExtension) previously initiated loading for a
> > different type with name "org/apache/commons/logging/Log"
> > at java.lang.ClassLoader.defineClass1(Native Method)
> > at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
> > at
> > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:
> > 124)
> > at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
> > at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
> > at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
> > at java.security.AccessController.doPrivileged(Native Method)
> > at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> > at com.google.gwt.dev.shell.jetty.JettyLauncher
> > $WebAppContextWithReload$WebAppClassLoaderExtension.findClass
> > (JettyLauncher.java:303)
> > at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass
> > (WebAppClassLoader.java:366)
> > at org.mortbay.jetty.webapp.WebAppClassLoader.loadClass
> > (WebAppClassLoader.java:337)
> > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
> > at
> > org.springframework.core.CollectionFactory.createConcurrentMapIfPossible
> > (CollectionFactory.java:195)
> > at org.springframework.web.context.ContextLoader.<clinit>
> > (ContextLoader.java:153)
> > at
> > org.springframework.web.context.ContextLoaderServlet.createContextLoader
> > (ContextLoaderServlet.java:89)
> > at org.springframework.web.context.ContextLoaderServlet.init
> > (ContextLoaderServlet.java:80)
> > at javax.servlet.GenericServlet.init(GenericServlet.java:212)
> > at org.mortbay.jetty.servlet.ServletHolder.initServlet
> > (ServletHolder.java:433)
> > at
> > org.mortbay.jetty.servlet.ServletHolder.doStart(ServletHolder.java:
> > 256)
> > at org.mortbay.component.AbstractLifeCycle.start
> > (AbstractLifeCycle.java:39)
> > at org.mortbay.jetty.servlet.ServletHandler.initialize
> > (ServletHandler.java:616)
> > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
> > at org.mortbay.jetty.webapp.WebAppContext.startContext
> > (WebAppContext.java:1220)
> > at org.mortbay.jetty.handler.ContextHandler.doStart
> > (ContextHandler.java:513)
> > at
> > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:
> > 448)
> > at com.google.gwt.dev.shell.jetty.JettyLauncher
> > $WebAppContextWithReload.doStart(JettyLauncher.java:397)
> > at org.mortbay.component.AbstractLifeCycle.start
> > (AbstractLifeCycle.java:39)
> > at org.mortbay.jetty.handler.HandlerWrapper.doStart
> > (HandlerWrapper.java:130)
> > at org.mortbay.jetty.handler.RequestLogHandler.doStart
> > (RequestLogHandler.java:115)
> > at org.mortbay.component.AbstractLifeCycle.start
> > (AbstractLifeCycle.java:39)
> > at org.mortbay.jetty.handler.HandlerWrapper.doStart
> > (HandlerWrapper.java:130)
> > at org.mortbay.jetty.Server.doStart(Server.java:222)
> > at org.mortbay.component.AbstractLifeCycle.start
> > (AbstractLifeCycle.java:39)
> > at com.google.gwt.dev.shell.jetty.JettyLauncher.start
> > (JettyLauncher.java:449)
> > at
> > com.google.gwt.dev.HostedMode.doStartUpServer(HostedMode.java:367)
> > at
> > com.google.gwt.dev.HostedModeBase.startUp(HostedModeBase.java:590)
> > at com.google.gwt.dev.HostedModeBase.run(HostedModeBase.java:397)
> > at com.google.gwt.dev.HostedMode.main(HostedMode.java:232)
>
> > On 19 Mar, 15:28, magbyr <mag...@gmail.com> wrote:
> > > I'm having a problem with 1.6RC / Jetty and Spring 2.5. Same project
> > > worked well on 1.5.3, but not on 1.6RC.
>
> > > Fails on jsp and default servlet from Jetty:
> > > javax.servlet.UnavailableException: Servlet class
> > > org.apache.jasper.servlet.JspServlet is not a javax.servlet.Servlet
> > > javax.servlet.UnavailableException: Servlet class
> > > org.mortbay.jetty.servlet.DefaultServlet is not a
> > > javax.servlet.Servlet
>
> > > Seems like some kind of classloader issue.
>
> > > Anybody running 1.6RC with Spring successfully?
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