Re: XML parsing error when using Guice with servlets

To solve the problem, inherit the required module in project.gwt.xml
file.
<inherits name='com.google.gwt.user.User'/>
<inherits name='com.google.gwt.i18n.I18N'/>

S. Abraham
www.DataStoreGwt.com
Persist objects directly in GAE

On Sep 25, 10:57 pm, Nicklas <nicklas_fo...@yahoo.com> wrote:
> Hello,
>
> I'm setting up a web application I call WineCellar using GWT with Guice. I have
> set up the Guice to use servlets as instructed here:http://code.google.com/p/google-guice/wiki/Servlets. I am using Eclipse 3.5 with
> the GWT plugin.
>
> However, when I try to run the application in debug mode, I get the error
> message below.
>
> Loading modules
>    winecellar.WineCellar
>       Loading inherited module 'com.google.gwt.user.User'
>          Loading inherited module 'com.google.gwt.i18n.I18N'
>             [ERROR] Unexpected error while processing XML
> java.lang.NoClassDefFoundError:
> com/google/gwt/core/ext/linker/PropertyProviderGenerator
>         at java.lang.ClassLoader.findBootstrapClass(Native Method)
>         at java.lang.ClassLoader.findBootstrapClass0(ClassLoader.java:900)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:314)
>         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>         at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
>         at
> com.google.gwt.dev.cfg.ModuleDefSchema$ClassAttrCvt.convertToArg(
> ModuleDefSchema.java:886)
>
>         at com.google.gwt.dev.util.xml.HandlerArgs.convertToArg(HandlerArgs.java:64)
>         at com.google.gwt.dev.util.xml.HandlerMethod.invokeBegin(HandlerMethod.java:221)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.startElement(
> ReflectiveParser.java:294)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> AbstractSAXParser.startElement(AbstractSAXParser.java:504)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
>         at
> com.sun.org.apache.xerces.internal.impl.
> XMLDocumentFragmentScannerImpl.scanStartElement(
> XMLDocumentFragmentScannerImpl.java:1320)
>         at
> com.sun.org.apache.xerces.internal.impl.
> XMLDocumentFragmentScannerImpl$FragmentContentDriver.
> next(XMLDocumentFragmentScannerImpl.java:2732)
>         at
> com.sun.org.apache.xerces.internal.impl.
> XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:625)
>
>         at
> com.sun.org.apache.xerces.internal.impl.
> XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.
> java:488)
>
>         at
> com.sun.org.apache.xerces.internal.parsers.
> XML11Configuration.parse(XML11Configuration.java:812)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> XML11Configuration.parse(XML11Configuration.java:741)
>         at com.sun.org.apache.xerces.internal.parsers.
> XMLParser.parse(XMLParser.java:123)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> AbstractSAXParser.parse(AbstractSAXParser.java:1208)
>         at
> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.
> parse(SAXParserImpl.java:525)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.parse(ReflectiveParser.
> java:347)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.access$200(
> ReflectiveParser.java:68)
>         at com.google.gwt.dev.util.xml.ReflectiveParser.parse(
> ReflectiveParser.java:418)
>         at com.google.gwt.dev.cfg.ModuleDefLoader.nestedLoad(ModuleDefLoader.java:296)
>         at
> com.google.gwt.dev.cfg.ModuleDefSchema$BodySchema.__inherits_begin
> (ModuleDefSchema.java:495)
>         at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at com.google.gwt.dev.util.xml.HandlerMethod.invokeBegin(HandlerMethod.java:230)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.startElement(
> ReflectiveParser.java:294)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(
> AbstractSAXParser.java:504)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.
> emptyElement(AbstractXMLDocumentParser.java:182)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.
> scanStartElement(XMLDocumentFragmentScannerImpl.java:1320)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$
> FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2732)
>         at
> com.sun.org.apache.xerces.internal.impl.
> XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:625)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.
> scanDocument(XMLDocumentFragmentScannerImpl.java:488)
>         at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.
> parse(XML11Configuration.java:812)
>         at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.
> parse(XML11Configuration.java:741)
>         at com.sun.org.apache.xerces.internal.parsers.XMLParser.
> parse(XMLParser.java:123)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.
> parse(AbstractSAXParser.java:1208)
>         at
> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.
> parse(SAXParserImpl.java:525)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.parse(ReflectiveParser.
> java:347)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.access$200(
> ReflectiveParser.java:68)
>         at com.google.gwt.dev.util.xml.ReflectiveParser.parse(ReflectiveParser.java:418)
>         at com.google.gwt.dev.cfg.ModuleDefLoader.nestedLoad(ModuleDefLoader.java:296)
>         at
> com.google.gwt.dev.cfg.ModuleDefSchema$BodySchema.__inherits_begin(
> ModuleDefSchema.java:495)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.
> java:43)
>         at java.lang.reflect.Method.invoke(Method.java:616)
>         at com.google.gwt.dev.util.xml.HandlerMethod.invokeBegin(HandlerMethod.java:230)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.startElement(
> ReflectiveParser.java:294)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(
> AbstractSAXParser.java:504)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.
> emptyElement(AbstractXMLDocumentParser.java:182)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.
> scanStartElement(XMLDocumentFragmentScannerImpl.java:1320)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$
> FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2732)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.
> next(XMLDocumentScannerImpl.java:625)
>         at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.
> scanDocument(XMLDocumentFragmentScannerImpl.java:488)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> XML11Configuration.parse(XML11Configuration.java:812)
>         at
> com.sun.org.apache.xerces.internal.parsers.
> XML11Configuration.parse(XML11Configuration.java:741)
>         at com.sun.org.apache.xerces.internal.parsers.
> XMLParser.parse(XMLParser.java:123)
>         at
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.
> parse(AbstractSAXParser.java:1208)
>         at
> com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.
> parse(SAXParserImpl.java:525)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.parse(ReflectiveParser.
> java:347)
>         at
> com.google.gwt.dev.util.xml.ReflectiveParser$Impl.access$200(
> ReflectiveParser.java:68)
>         at com.google.gwt.dev.util.xml.ReflectiveParser.parse(ReflectiveParser.java:418)
>         at com.google.gwt.dev.cfg.ModuleDefLoader.nestedLoad(ModuleDefLoader.java:296)
>         at com.google.gwt.dev.cfg.ModuleDefLoader$1.load(ModuleDefLoader.java:198)
>         at com.google.gwt.dev.cfg.ModuleDefLoader.doLoadModule(ModuleDefLoader.java:324)
>         at
> com.google.gwt.dev.cfg.ModuleDefLoader.loadFromClassPath(ModuleDefLoader.
> java:156)
>         at com.google.gwt.dev.DevModeBase.loadModule(DevModeBase.java:992)
>         at com.google.gwt.dev.DevMode.loadModule(DevMode.java:557)
>         at com.google.gwt.dev.DevMode.doStartup(DevMode.java:443)
>         at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1058)
>         at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:811)
>         at com.google.gwt.dev.DevMode.main(DevMode.java:311)
>
> It seems to be a problem with parsing the GWT file I18N.gwt.xml in
> com.google.gwt.i18n, but I could be on the wrong track. Does anyone know what
> the reason for this is? I've been googling for quite some time, but can't seem
> to find anyone with the same problem.
>
> Below are included my web.xml, and my GuiceServletConfig file. If there is
> anything else I should provide, I'll be happy to.
>
> web.xml:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>          xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
>              http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
>          version="2.5"
>          xmlns="http://java.sun.com/xml/ns/javaee">
>
>   <filter>
>     <filter-name>guiceFilter</filter-name>
>     <filter-class>com.google.inject.servlet.GuiceFilter</filter-class>
>   </filter>
>
>   <filter-mapping>
>     <filter-name>guiceFilter</filter-name>
>     <url-pattern>/*</url-pattern>
>   </filter-mapping>
>
>   <listener>
>     <listener-class>winecellar.server.WineCellarGuiceServletConfig
>     </listener-class>
>   </listener>
>
>   <!-- Default page to serve -->
>   <welcome-file-list>
>     <welcome-file>WineCellar.html</welcome-file>
>   </welcome-file-list>
>
> </web-app>
>
> GuiceServletConfig:
>
> package winecellar.server;
>
> import com.google.inject.Guice;
> import com.google.inject.Injector;
> import com.google.inject.servlet.*;
>
> public class WineCellarGuiceServletConfig extends GuiceServletContextListener{
>
>         @Override
>         protected Injector getInjector() {              
>                 ServletModule module = new ServletModule() {                    
>                 @Override
>                 protected void configureServlets() {                    
>                         // route bindings
>                         serve("*.html").with(WineCellarImpl.class);
>                 }              
>             };            
>
>             return Guice.createInjector(module);
>         }
>
>
>
>
>
>
>
> }

--
You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group.
To post to this group, send email to google-web-toolkit@googlegroups.com.
To unsubscribe from this group, send email to google-web-toolkit+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.