调用feignClient时空指针异常

Question

调用feignClient时报错。

java.lang.NullPointerException: Cannot invoke "com.haier.hdy.material.change.feign.client.InterfaceMarketClient.getMaterialNameListFromPDM(String, String, com.haier.hdy.material.change.feign.entity.HWorkMaterialNameFromPDMDto)" because "this.interfaceMarketClient" is null

    at com.haier.hdy.material.change.service.impl.anyTest.getMaterialNameListTotal(anyTest.java:87)
    at com.haier.hdy.material.change.service.impl.anyTest.anyTestTwo(anyTest.java:58)
    at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

Answer 1

要结合代码才知道是什么问题，仅提供日志信息，很难定位到是什么问题。