配置Tomcat集群时地址冲突异常解决
TOMCAT集群配置好后运行正常，首次访问该服务后出现以下错误：警告: Error receiving mcast package. Sleeping 500ms
java.lang.IllegalArgumentException: Invalid package, should start with:{84, 82, 73, 66, 69, 83, 45, 66}
at org.apache.catalina.tribes.membership.MemberImpl.getMember(MemberImpl.java:322)
at org.apache.catalina.tribes.membership.MemberImpl.getMember(MemberImpl.java:298)
at org.apache.catalina.tribes.membership.MemberImpl.getMember(MemberImpl.java:403)
at org.apache.catalina.tribes.membership.McastServiceImpl.receive(McastServiceImpl.java:320)
at org.apache.catalina.tribes.membership.McastServiceImpl$ReceiverThread.run(McastServiceImpl.java:414)
tomcat集群教程的默认配置address="228.0.0.4"修改为address="228.0.0.5"
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.5"
port="45564"
frequency="500"
dropTime="3000"/>
出现此问题的原因可能是局域网中存在其他集群机器组
具体位置在server.xml文件中：
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster">
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.5"
port="45564"
frequency="500"
dropTime="3000"/>
</Channel>
......
</Cluster>
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