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我正在构建一个使用 grails 插件 tomcat-1.3.4 配置并使用 Spring (3.0.3RELEASE) 但重用现有 Spring applicationContext.xml 文件的 Grails (1.3.4) 应用程序。我将旧文件的相关部分复制到 Grails 生成的文件中（就在 characterEncodingFilter bean 的下方）。在确保所有必需的 jar 都在类路径上，并且 bean 名称没有冲突之后（如果 DataSource.groovy 文件存在，我发现 dataSource 已经被使用，所以我删除它来解决这个问题），我面临 IllegalStateException。堆栈跟踪和一些引导它的调试日志如下：

2010-09-30 15:29:36,131 [main] DEBUG xml.DefaultDocumentLoader  - Using JAXP provider [com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl]
2010-09-30 15:29:36,143 [main] DEBUG support.DefaultListableBeanFactory  - Returning cached instance of singleton bean 'grailsApplication'
2010-09-30 15:29:36,149 [main] ERROR context.GrailsContextLoader  - Error executing bootstraps: postProcessBeanDefinitionRegistry already called for this post-processor
    java.lang.IllegalStateException: postProcessBeanDefinitionRegistry already called for this post-processor
    at org.grails.tomcat.TomcatServer.start(TomcatServer.groovy:164)
    at grails.web.container.EmbeddableServer$start.call(Unknown Source)
    at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy:158)
    at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy)
    at _GrailsSettings_groovy$_run_closure10.doCall(_GrailsSettings_groovy:280)
    at _GrailsSettings_groovy$_run_closure10.call(_GrailsSettings_groovy)
    at _GrailsRun_groovy$_run_closure5.doCall(_GrailsRun_groovy:149)
    at _GrailsRun_groovy$_run_closure5.call(_GrailsRun_groovy)
    at _GrailsRun_groovy.runInline(_GrailsRun_groovy:116)
    at _GrailsRun_groovy.this$4$runInline(_GrailsRun_groovy)
    at _GrailsRun_groovy$_run_closure1.doCall(_GrailsRun_groovy:59)
    at RunApp$_run_closure1.doCall(RunApp.groovy:33)
    at gant.Gant$_dispatch_closure5.doCall(Gant.groovy:381)
    at gant.Gant$_dispatch_closure7.doCall(Gant.groovy:415)
    at gant.Gant$_dispatch_closure7.doCall(Gant.groovy)
    at gant.Gant.withBuildListeners(Gant.groovy:427)
    at gant.Gant.this$2$withBuildListeners(Gant.groovy)
    at gant.Gant$this$2$withBuildListeners.callCurrent(Unknown Source)
    at gant.Gant.dispatch(Gant.groovy:415)
    at gant.Gant.this$2$dispatch(Gant.groovy)
    at gant.Gant.invokeMethod(Gant.groovy)
    at gant.Gant.executeTargets(Gant.groovy:590)
    at gant.Gant.executeTargets(Gant.groovy:589)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:115)

更新：如果我在 applicationContext.xml 的顶部注释掉以下行，它将进入无限循环。

<context:annotation-config/>
<context:property-placeholder location="WEB-INF/config.properties"/>

如果我还注释掉我的导入行，它会按预期运行。导入行是：

<import resource="conf/membershipData.xml"/>
<import resource="conf/membershipServices.xml"/>

/更新

通过调试器跟踪，我注意到它发生在启动期间刷新 applicationContext 期间（DefaultRuntimeSpringConfiguration：154）。

如果相关，我使用的是 IntelliJ IDEA 9，它在 run-app 命令之前处理所有 jar 插入。

谢谢你的帮助。

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1 回答 1

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You shouldn't touch applicationContext.xml - that's for the "parent" application context. Copy your beans into resources.xml under grails-app/conf/spring. This file is no longer created by default since the preferred approach is to use the Spring bean DSL in resources.groovy, but the format of resources.xml is just the standard Spring bean xml, so you could probably just copy your xml file there and rename it to resources.xml.

于 2010-09-30T20:42:53.957 回答