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https://issues.apache.org/jira/browse/AMQ-5124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14572701#comment-14572701
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Timothy Bish commented on AMQ-5124:
-----------------------------------
Since its been off by default for some time now then I think we can mark this
as resolved then.
> Exception logged on startup: jolokia-agent: Cannot start discovery multicast
> handler
> ------------------------------------------------------------------------------------
>
> Key: AMQ-5124
> URL: https://issues.apache.org/jira/browse/AMQ-5124
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.11.0
> Reporter: Hiram Chirino
> Fix For: 5.12.0
>
>
> jolokia-agent is barfing an ugly exception on the console on activemq
> startup:
> WARN | jolokia-agent: Cannot start discovery multicast handler:
> java.net.SocketException: Can't assign requested address
> java.net.SocketException: Can't assign requested address
> at java.net.PlainDatagramSocketImpl.join(Native Method)
> at
> java.net.AbstractPlainDatagramSocketImpl.joinGroup(AbstractPlainDatagramSocketImpl.java:202)
> at java.net.MulticastSocket.joinGroup(MulticastSocket.java:402)
> at
> org.jolokia.discovery.MulticastUtil.joinMcGroupsOnAllNetworkInterfaces(MulticastUtil.java:136)
> at
> org.jolokia.discovery.MulticastUtil.newMulticastSocket(MulticastUtil.java:38)
> at
> org.jolokia.discovery.MulticastSocketListenerThread.<init>(MulticastSocketListenerThread.java:60)
> at
> org.jolokia.discovery.DiscoveryMulticastResponder.start(DiscoveryMulticastResponder.java:75)
> at
> org.jolokia.http.AgentServlet.initDiscoveryMulticast(AgentServlet.java:176)
> at org.jolokia.http.AgentServlet.init(AgentServlet.java:162)
> at
> org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:477)
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