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From Spring Microservices in Action book: I am trying to use the Docker Maven Plugin to build a docker image for deploy a Java microservice as Docker container to the cloud.

Dockerfile:

FROM openjdk:8-jdk-alpine
RUN mkdir -p /usr/local/configserver
ADD jce_policy-8.zip /tmp/
RUN unzip /tmp/jce_policy-8.zip && \
    rm /tmp/jce_policy-8.zip && \
    yes | cp -v /tmp/UnlimitedJCEPolicyJDK8/*.jar /usr/lib/jvm/java-1.8-openjdk/jre/lib/security/
ADD @[email protected] /usr/local/configserver/
ADD run.sh run.sh
RUN chmod +x run.sh
CMD ./run.sh

Output related to step 4 in Dockerfile:

...

---> Using cache
---> dd33d4c12d29
Step 4/8 : RUN unzip /tmp/jce_policy-8.zip && rm /tmp/jce_policy-8.zip && yes | cp -v /tmp/UnlimitedJCEPolicyJDK8/*.jar /usr/lib/jvm/java-1.8-openjdk/jre/lib/security/

---> Running in 1071273ceee5
Archive:  /tmp/jce_policy-8.zip
unzip: short read

Why do I get unzip: short read when I try to build the image?

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