dubbo-admin在jdk1.8下报错问题（已解决）

在虚拟机上部署dubbo-admin的时候报错：

ERROR context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'uriBrokerService': Cannot create inner bean '(inner bean)' of type [com.alibaba.citrus.service.uribroker.impl.URIBrokerServiceImpl$URIBrokerInfo] while setting bean property 'brokers' with key [0]; nested excepti
on is org.springframework.beans.factory.BeanCreationException: Error creating bean with name '(inner bean)#25': Cannot create inner bean 'server' of type [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker] while setting constructor argument; nested exception is org.springframework.beans.fact
ory.BeanCreationException: Error creating bean with name 'server': Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'URIType' of bean class [com.alibaba.citrus.service.uribroker.uri.GenericURIBroker]: Bean property 'URIType'
is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:230)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedList(BeanDefinitionValueResolver.java:287)

查看源码如下：

set方法不很标准，导致高版本jdk（jre）不能支持，导致报错。

解决方法：

1、更换服务器jdk版本。

2、修改dubbo-admin tomcat默认jdk版本。

3、修改dubbo-admin项目依赖（dependency）从新打包。

主要说下第三种方法：

https://github.com/alibaba/dubbo.git

下载导入源码后，修改如下配置：

1、webx的依赖改为3.1.6版

<dependency>
    <groupId>com.alibaba.citrus</groupId>
    <artifactId>citrus-webx-all</artifactId>
    <version>3.1.6</version>
</dependency>

2、添加velocity的依赖，我用了1.7

<dependency>
    <groupId>org.apache.velocity</groupId>
    <artifactId>velocity</artifactId>
    <version>1.7</version>
</dependency>

3、对依赖项dubbo添加exclusion，避免引入旧spring

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>dubbo</artifactId>
    <version>${project.parent.version}</version>
    <exclusions>
        <exclusion>
            <groupId>org.springframework</groupId>
            <artifactId>spring</artifactId>
        </exclusion>
    </exclusions>
</dependency>

4、webx已有spring 3以上的依赖，因此注释掉dubbo-admin里面的spring依赖

<!--<dependency>-->
    <!--<groupId>org.springframework</groupId>-->
    <!--<artifactId>spring</artifactId>-->
<!--</dependency>-->

逐个项目编译，重新打包，部署。

成功！

dubbo-admin在jdk1.8下报错问题（已解决）

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