一、问题描述
用IDEA编写flink的scala程序,编译没有错误但是运行出错,日志如下:
Error:scalac: missing or invalid dependency detected while loading class file 'ScalaCaseClassSerializer.class'. Could not access type SelfResolvingTypeSerializer in object org.apache.flink.api.common.typeutils.TypeSerializerConfigSnapshot, because it (or its dependencies) are missing. Check your build definition for missing or conflicting dependencies.
二、问题原因
我找了半天也不知道ScalaCaseClassSerializer.class是在哪个包,但是有个提示org.apache.flink.api.common.typeutils
它对应本地仓库的jar包有问题
E:\ProgramFiles\maven_lib\org\apache\flink\flink-core\1.9.0\flink-core-1.9.0.jar
三、解决办法
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参考链接: