maven - 未找到正在加载Grails应用程序的类-Grails升级到2.3之后

Question

我将在official grails doc的帮助下将 grails版本从2.1.1升级到2.3.0 。

老实说，我一步一步地遵循了步骤。在成功之前，我还把我的grails项目之一升级到了2.3.0个月。不幸的是，这次失败了。跟随错误使我受重伤。

| Error 2013-11-09 17:26:26,933 [localhost-startStop-1] ERROR context.ContextLoader  - Context initialization failed
Message: Error creating bean with name 'grailsApplication' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.codehaus.groovy.grails.exceptions.GrailsConfigurationException: Class not found loading Grails application: eccount.MainController
    Line | Method
->>  334 | innerRun  in java.util.concurrent.FutureTask$Sync
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

Caused by GrailsConfigurationException: Class not found loading Grails application: eccount.MainController
->>  334 | innerRun  in java.util.concurrent.FutureTask$Sync
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

Caused by ClassNotFoundException: eccount.MainController
->>  366 | run       in java.net.URLClassLoader$1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    355 | run       in     ''
|    354 | findClass in java.net.URLClassLoader
|    423 | loadClass in java.lang.ClassLoader
|    334 | innerRun  in java.util.concurrent.FutureTask$Sync
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread
| Error 2013-11-09 17:26:27,032 [localhost-startStop-1] ERROR context.GrailsContextLoader  - Error initializing the application: Error creating bean with name 'grailsApplication' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.codehaus.groovy.grails.exceptions.GrailsConfigurationException: Class not found loading Grails application: eccount.MainController
Message: Error creating bean with name 'grailsApplication' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is org.codehaus.groovy.grails.exceptions.GrailsConfigurationException: Class not found loading Grails application: eccount.MainController
    Line | Method
->>  334 | innerRun  in java.util.concurrent.FutureTask$Sync
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

Caused by GrailsConfigurationException: Class not found loading Grails application: eccount.MainController
->>  334 | innerRun  in java.util.concurrent.FutureTask$Sync
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

Caused by ClassNotFoundException: eccount.MainController
->>  366 | run       in java.net.URLClassLoader$1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|    355 | run       in     ''
|    354 | findClass in java.net.URLClassLoader
|    423 | loadClass in java.lang.ClassLoader
|    334 | innerRun  in java.util.concurrent.FutureTask$Sync
|    166 | run       in java.util.concurrent.FutureTask
|   1110 | runWorker in java.util.concurrent.ThreadPoolExecutor
|    603 | run       in java.util.concurrent.ThreadPoolExecutor$Worker
^    722 | run . . . in java.lang.Thread

BuildConfig.groovy的 插件部分

  plugins {

        runtime ":hibernate:$slurp.app.hibernate.version"
        build   ":tomcat:$slurp.app.tomcat.version"
        compile ':scaffolding:1.0.0'
    }

我的applicationContext.xml如下，我认为这是不正确的。

<?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="grailsApplication" class="org.codehaus.groovy.grails.commons.GrailsApplicationFactoryBean">
        <description>Grails application factory bean</description>
        <property name="grailsDescriptor" value="/WEB-INF/grails.xml" />
        <property name="grailsResourceLoader" ref="grailsResourceLoader" />
    </bean>

    <bean id="pluginManager" class="org.codehaus.groovy.grails.plugins.GrailsPluginManagerFactoryBean">
        <description>A bean that manages Grails plugins</description>
        <property name="grailsDescriptor" value="/WEB-INF/grails.xml" />
        <property name="application" ref="grailsApplication" />
    </bean>

    <bean id="grailsConfigurator" class="org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator">
        <constructor-arg>
            <ref bean="grailsApplication" />
        </constructor-arg>
        <property name="pluginManager" ref="pluginManager" />
    </bean>

    <bean id="grailsResourceLoader" class="org.codehaus.groovy.grails.commons.GrailsResourceLoaderFactoryBean" />

    <bean id="characterEncodingFilter" class="org.springframework.web.filter.CharacterEncodingFilter">
        <property name="encoding">
            <value>utf-8</value>
        </property>
    </bean>

    <bean id="conversionService" class="org.springframework.context.support.ConversionServiceFactoryBean" />
</beans>

我经历了 Hit and Trials(H＆T)，但未能成功。

H＆T 1)

$ grails clean
$ grails run-app

H＆T 2)

$ rm -r ~/.grails/2.3.0/projects/gccount
$ grails clean
$ grails run-app

H＆T 3)

3.1)将 grails.project.dependency.resolver="maven"替换为 grails.project.dependency.resolver="ivy"。还尝试过再次回到行家。

3.2)

$ grails clean
$ grails run-app

H＆T 4)

$ rm -r target/
$ grails clean
$ grails run-app

Answer 1

仔细查看MainController，它显示如下

package cashless

class MainController {

    def index() { }
}

在较早的版本中它运行良好，可能是因为它的contextPath( app.name="cashless")与我在升级过程中更改为 cashless的软件包 gccount相同。尽管它没有直接导入为 eccount.MainController的任何地方。

只需更新软件包即可解决该问题。

package eccount

class MainController {

    def index() { }
}