dockerfile deploy

Failed to deploy 'base Dockerfile: Base/Dockerfile': 
java.lang.RuntimeException: com.fasterxml.jackson.databind.JsonMappingException: 
Null key for a Map not allowed in JSON (use a converting NullKeySerializer?) 
(through reference chain: com.github.dockerjava.core.command.CreateContainerCmdImpl["Volumes"]->java.util.HashMap["null"])<br/>
caused by: com.fasterxml.jackson.databind.JsonMappingException: Null key for a Map not allowed in JSON (
use a converting NullKeySerializer?) (through reference chain:
 com.github.dockerjava.core.command.CreateContainerCmdImpl["Volumes"]->java.util.HashMap["null"])

 docker file

FROM adoptopenjdk/openjdk15
EXPOSE 8080

VOLUME /tmp
ADD target/Base-0.0.1-SNAPSHOT.jar  /app.jar
#刷新app.jat文件的时间戳属性
RUN bash -c 'touch /app.jar'
ENTRYPOINT ["java","-jar","-Xms128m","-Xmx6g","/app.jar"]

查看dockerfile没有问题

再看idea配置

更改bind mounts的时候不小心加了一行空的 去掉这一空行就行