我正在编写docker文件来安装Java和声纳。在安装Java之前，一切都很好。但是当使用 curl 开始下载声纳时，失败。更令人沮丧的是，完全相同的命令可在docker文件外部，相同的shell提示符下以及相同的网络上运行。
我真的很困惑如何发生。我没有得到什么愚蠢的错误。
请参阅dockefile：
FROM centos:7
ENV JAVA_VERSION 8u201
ENV BUILD_VERSION b09
RUN yum -y install wget; wget --no-cookies --no-check-certificate --header "Cookie: oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/$JAVA_VERSION-$BUILD_VERSION/42970487e3af4f5aa5bca3f542482c60/jdk-$JAVA_VERSION-linux-x64.rpm" -O /tmp/jdk-8-linux-x64.rpm; yum -y install /tmp/jdk-8-linux-x64.rpm
# JDK stripping
RUN rm -f /usr/java/jdk1.8.0_201/src.zip /usr/java/jdk1.8.0_201/javafx-src.zip
RUN rm -rf /usr/java/jdk1.8.0_201/lib/missioncontrol/ /usr/java/jdk1.8.0_201/lib/visualvm/ /usr/java/jdk1.8.0_201/db/
RUN alternatives --install /usr/bin/java java /usr/java/latest/bin/java 1
RUN alternatives --install /usr/bin/javac javac /usr/java/latest/bin/javac 1
ENV JAVA_HOME /usr/java/latest
ENV PATH=$PATH:/usr/java/latest/bin/java
RUN echo "$PATH"
RUN rm -f /tmp/jdk-8-linux-x64.rpm; yum -y remove wget; yum -y clean all
ENV SONAR_VERSION=7.6 \
SONARQUBE_HOME=/opt/sonarqube \
SONARQUBE_JDBC_USERNAME=sonar \
SONARQUBE_JDBC_PASSWORD=sonar \
SONARQUBE_JDBC_URL=
# Http port
EXPOSE 9000
RUN groupadd -r devopsadmin && useradd -r -g devopsadmin devopsadmin
RUN set -x \
&& cd /opt \
&& curl -o sonarqube.zip -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip \
&& curl -o sonarqube.zip.asc -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip.asc \
&& /bin/bash /usr/bin/unzip /opt/sonarqube.zip \
&& mv sonarqube-$SONAR_VERSION sonarqube \
&& chown -R devopsadmin:devopsadmin sonarqube \
&& rm sonarqube.zip* \
&& rm -rf $SONARQUBE_HOME/bin/*
VOLUME "$SONARQUBE_HOME/data"
WORKDIR $SONARQUBE_HOME
COPY run.sh $SONARQUBE_HOME/bin/
USER devopsadmin
ENTRYPOINT ["./bin/run.sh"]
请提出建议
编辑1：
查看整个日志：
Step 14/21 : EXPOSE 9000
---> Using cache
---> 6d8df8bfdaf5
Step 15/21 : RUN groupadd -r devopsadmin && useradd -r -g devopsadmin devopsadmin
---> Using cache
---> 4d1a28e9288c
Step 16/21 : RUN set -x && cd /opt && curl -o sonarqube.zip -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip && curl -o sonarqube.zip.asc -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip.asc && /bin/bash /usr/bin/unzip /opt/sonarqube.zip && mv sonarqube-$SONAR_VERSION sonarqube && chown -R devopsadmin:devopsadmin sonarqube && rm sonarqube.zip* && rm -rf $SONARQUBE_HOME/bin/*
---> Running in 2e0d5ad30767
+ cd /opt
+ curl -o sonarqube.zip -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-7.6.zip
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- 0:00:19 --:--:-- 0curl: (6) Could not resolve host: binaries.sonarsource.com; Unknown error
The command '/bin/sh -c set -x && cd /opt && curl -o sonarqube.zip -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip && curl -o sonarqube.zip.asc -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-$SONAR_VERSION.zip.asc && /bin/bash /usr/bin/unzip /opt/sonarqube.zip && mv sonarqube-$SONAR_VERSION sonarqube && chown -R devopsadmin:devopsadmin sonarqube && rm sonarqube.zip* && rm -rf $SONARQUBE_HOME/bin/*' returned a non-zero code: 6
[devopsadmin@be-deb-prod-cicdtoold-vm newsonar]$ curl -o sonarqube.zip -fSL https://binaries.sonarsource.com/CommercialDistribution/sonarqube-enterprise/sonarqube-enterprise-7.6.zip
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 252M 100 252M 0 0 26.5M 0 0:00:09 0:00:09 --:--:-- 32.1M