您需要使用--net=host选项运行hazelcast docker映像。我测试了由hazelcast（https://hub.docker.com/r/hazelcast/hazelcast/）发布的Docker镜像，版本3.5.4，在AWS EC2上有两个实例。我的Docker版本是Docker version 1.9.1, build a34a1d5ec2上使用的ami Ubuntu Server 14.04 LTS (HVM), SSD Volume Type - ami-fce3c696，这是我的hazelcast.xml：
<?xml version="1.0" encoding="UTF-8"?>
<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.5.xsd"
xmlns="http://www.hazelcast.com/schema/config"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<group>
<name>dev</name>
<password>dev-pass</password>
</group>
<management-center enabled="false">http://localhost:8080/mancenter</management-center>
<network>
<port auto-increment="true" port-count="100">5701</port>
<outbound-ports>
<!--
Allowed port range when connecting to other nodes.
0 or * means use system provided port.
-->
<ports>0</ports>
</outbound-ports>
<join>
<multicast enabled="false">
<multicast-group>224.2.2.3</multicast-group>
<multicast-port>54327</multicast-port>
</multicast>
<tcp-ip enabled="false">
<interface>127.0.0.1</interface>
<member-list>
<member>127.0.0.1</member>
</member-list>
</tcp-ip>
<aws enabled="true">
<access-key>your-acces-key</access-key>
<secret-key>your-secret-key</secret-key>
</aws>
</join>
<public-address>private-ip-address-of-ec2-instance</public-address>
</network>
<properties>
<property name="hazelcast.local.localAddress">private-ip-address-of-ec2-instance</property>
</properties>
</hazelcast>
这是我的docker命令，用于使用自定义配置文件运行hazelcast映像： docker run --net=host -e JAVA_OPTS="-Dhazelcast.config=/configFolder/hazelcast.xml" -v ~/configFolder:/configFolder -ti hazelcast/hazelcast
如果该--net=host选项不起作用，请确保在hazelcast使用的安全组中，配置端口已作为入站端口打开。您还可以启用调试以查看有关通过ec2 Discovery发现的节点的更多详细信息。
请参阅Debugginghazelcast ec2发现部分下的部分：http ://docs.hazelcast.org/docs/latest-dev/manual/html- single/index.html#discovering-members-within- ec2-cloud
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