[GitHub] [nifi-minifi-cpp] hunyadi-dev commented on a change in pull request #959: MINIFICPP-1424 Stabilize several flaky test suites

[GitBox <gi...@apache.org>]

hunyadi-dev commented on a change in pull request #959:
URL: https://github.com/apache/nifi-minifi-cpp/pull/959#discussion_r543358223



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File path: docker/fedora/Dockerfile
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@@ -27,7 +27,11 @@ ARG MINIFI_VERSION
 ENV MINIFI_BASE_DIR /opt/minifi
 ENV MINIFI_HOME $MINIFI_BASE_DIR/nifi-minifi-cpp-$MINIFI_VERSION
 
-RUN yum -y install java-1.8.0-openjdk java-1.8.0-openjdk-devel flex bison make patch sudo git which maven libtool autoconf automake
+RUN echo "fastestmirror=True" | tee -a /etc/dnf/dnf.conf
+RUN for iter in {1..10}; do yum update -y && \
+    yum -y install java-1.8.0-openjdk java-1.8.0-openjdk-devel flex bison make patch sudo git which maven libtool autoconf automake && \
+    yum clean all && exit_code=0 && break || exit_code=$? && echo "yum error: retry $iter in 10s" && sleep 10; done; \

Review comment:
       What was the issue here? Why do we have to sleep?




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