我有一個Spring集成應用程序,它查詢來自AS400 DB的數據,然後進行一些修改將其傳輸到MQ。
它運行良好,直到我決定升級Spring集成版本。
從版本 - spring-integration-core-2.2.3.RELEASE
升級到spring-integration-core-3.0.1.RELEASE
後,我出現了以下錯誤。
在升級Spring集成版本後獲取類轉換異常
Caused by: org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from class path resource [tcm-hosttrade-inbound-adapter.xml]; nested exception is java.lang.ClassCastException: org.springframework.beans.factory.config.RuntimeBeanReference cannot be cast to org.springframework.beans.factory.config.BeanDefinition
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.importBeanDefinitionResource(DefaultBeanDefinitionDocumentReader.java:250)
... 21 more
Caused by: java.lang.ClassCastException: org.springframework.beans.factory.config.RuntimeBeanReference cannot be cast to org.springframework.beans.factory.config.BeanDefinition
at org.springframework.integration.config.xml.AbstractPollingInboundChannelAdapterParser.doParse(AbstractPollingInboundChannelAdapterParser.java:50)
at org.springframework.integration.config.xml.AbstractChannelAdapterParser.parseInternal(AbstractChannelAdapterParser.java:66)
at org.springframework.beans.factory.xml.AbstractBeanDefinitionParser.parse(AbstractBeanDefinitionParser.java:59)
at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:73)
at org.springframework.integration.config.xml.AbstractIntegrationNamespaceHandler.parse(AbstractIntegrationNamespaceHandler.java:94)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1438)
at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1428)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:195)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:139)
at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:108)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
... 26 more
我檢查類的代碼 - org.springframework.integration.config.xml.AbstractPollingInboundChannelAdapterParser
我剛剛發現這3行代碼從早期版本不同 -
String channelAdapterId = this.resolveId(element, adapterBuilder.getRawBeanDefinition(), parserContext);
String sourceBeanName = channelAdapterId + ".source";
parserContext.getRegistry().registerBeanDefinition(sourceBeanName, (BeanDefinition) source);
因此錯誤是因爲該行的 - parserContext.getRegistry ().registerBeanDefinition(sourceBeanName,(BeanDefinition)source);
我該如何使這個代碼工作?下面是我的豆子,其可用於參考 -
入站通道豆 -
<inbound-channel-adapter id="inboundAdapter"
ref="readFromMessageStore"
channel="inboundChannel" auto-startup="false" />
非常感謝,我在閱讀這個解決方案之前給出的鏈接上的錯誤,但是我沒有注意到它在3.0.2中被修復了。 –
升級到新版本時,通常建議使用該行中的最新版本;我很好奇你爲什麼在該行最新版本是3.0.7時選擇了'3.0.1'。當前版本是'4.1.5';有關完整的版本信息,請參見[項目頁面](http://projects.spring.io/spring-integration/)。通常,點發布(3.0.2,3.0.3等)只包含錯誤修復。另外,請注意[遷移指南](https://github.com/spring-projects/spring-integration/wiki)。 –