在维护一个weblogic集群中，发现成员服务器启动失败
报错如下

an 20, 2015 11:55:12 PM>

java.net.SocketException: Socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:145)
at java.net.DatagramSocket.receive(DatagramSocket.java:725)
at weblogic.cluster.MulticastFragmentSocket.receive(MulticastFragmentSocket.java:239)
at weblogic.cluster.FragmentSocketWrapper.receive(FragmentSocketWrapper.java:98)
Truncated. see log file for complete stacktrace
>

<An error occurred while sending multicast message: java.net.SocketException: sendto failed: Invalid argument
java.net.SocketException: sendto failed: Invalid argument
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:625)
at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
at weblogic.cluster.FragmentSocketWrapper.send(FragmentSocketWrapper.java:91)
Truncated. see log file for complete stacktrace
>
<BEA-000109>
java.net.SocketException: sendto failed: Invalid argument
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:625)
at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
at weblogic.cluster.FragmentSocketWrapper.send(FragmentSocketWrapper.java:91)
Truncated. see log file for complete stacktrace
>
java.net.SocketException: Socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:145)
at java.net.DatagramSocket.receive(DatagramSocket.java:725)
at weblogic.cluster.MulticastFragmentSocket.receive(MulticastFragmentSocket.java:239)
at weblogic.cluster.FragmentSocketWrapper.receive(FragmentSocketWrapper.java:98)
Truncated. see log file for complete stacktrace
>
java.net.SocketException: sendto failed: Invalid argument
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:625)
at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
at weblogic.cluster.FragmentSocketWrapper.send(FragmentSocketWrapper.java:91)
Truncated. see log file for complete stacktrace
>
java.net.SocketException: Socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:145)
at java.net.DatagramSocket.receive(DatagramSocket.java:725)
at weblogic.cluster.MulticastFragmentSocket.receive(MulticastFragmentSocket.java:239)
at weblogic.cluster.FragmentSocketWrapper.receive(FragmentSocketWrapper.java:98)
Truncated. see log file for complete stacktrace
>
java.net.SocketException: Socket closed
at java.net.PlainDatagramSocketImpl.receive0(Native Method)
at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:145)
at java.net.DatagramSocket.receive(DatagramSocket.java:725)
at weblogic.cluster.MulticastFragmentSocket.receive(MulticastFragmentSocket.java:239)
at weblogic.cluster.FragmentSocketWrapper.receive(FragmentSocketWrapper.java:98)
Truncated. see log file for complete stacktrace
>
java.net.SocketException: sendto failed: Invalid argument
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:625)
at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
at weblogic.cluster.FragmentSocketWrapper.send(FragmentSocketWrapper.java:91)
Truncated. see log file for complete stacktrace
>

There are 1 nested errors:

java.net.SocketException: sendto failed: Invalid argument
at java.net.PlainDatagramSocketImpl.send(Native Method)
at java.net.DatagramSocket.send(DatagramSocket.java:625)
at weblogic.cluster.MulticastFragmentSocket.sendThrottled(MulticastFragmentSocket.java:206)
at weblogic.cluster.MulticastFragmentSocket.send(MulticastFragmentSocket.java:158)
at weblogic.cluster.FragmentSocketWrapper.send(FragmentSocketWrapper.java:91)
at weblogic.cluster.MulticastSender.fragmentAndSend(MulticastSender.java:395)
at weblogic.cluster.MulticastSender.send(MulticastSender.java:178)
at weblogic.cluster.AttributeManager.sendAttributes(AttributeManager.java:46)
at weblogic.cluster.OutboundService.start(OutboundService.java:35)
at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

>

报错信息中很多都是多播问题，经过查看尝试吧weblogic中集群中的多播改成单播，这样就OK了想想原因是应该是客户网络里阻止了多播。

ITPub博客

weblogic bea 000109错误

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