如何规避OpenFeign传递Json格式的Header值被截断的问题

该问题出现于Spring Cloud 2021以及更高的某些版本，属于OpenFeign的Bug，参考

• https://github.com/OpenFeign/feign/issues/1464
• https://github.com/OpenFeign/feign/issues/1987
• https://github.com/OpenFeign/feign/pull/1638

解决方案：升级OpenFeign到12.0或者以上版本

<dependency>
    <groupId>com.nepxion</groupId>
    <artifactId>discovery-plugin-strategy-starter-service</artifactId>
    <exclusions>
        <exclusion>
            <groupId>io.github.openfeign</groupId>
            <artifactId>feign-core</artifactId>
        </exclusion>
       	<exclusion>
            <groupId>io.github.openfeign</groupId>
            <artifactId>feign-slf4j</artifactId>
        </exclusion>
    </exclusions>
</dependency>
        
<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-core</artifactId>
    <version>12.0</version>
</dependency>

<dependency>
    <groupId>io.github.openfeign</groupId>
    <artifactId>feign-slf4j</artifactId>
    <version>12.0</version>
</dependency>

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