SecurityException: member is already part of the group, JOIN request is rejected

ERROR [org.jgroups.JChannel] [CloserThread] failure reconnecting to channel, retrying
org.jgroups.ChannelException: connect() failed
     at org.jgroups.JChannel.connect(JChannel.java:375)
     at org.jgroups.JChannel$CloserThread.run(JChannel.java:2043)
Caused by: java.lang.SecurityException: member ipaddr:port is already part of the group, JOIN request is rejected
     at org.jgroups.protocols.pbcast.ClientGmsImpl.join(ClientGmsImpl.java:144)
     at org.jgroups.protocols.pbcast.ClientGmsImpl.join(ClientGmsImpl.java:39)
     at org.jgroups.protocols.pbcast.GMS.down(GMS.java:862)
     at org.jgroups.protocols.FC.down(FC.java:434)
     at org.jgroups.protocols.FRAG2.down(FRAG2.java:154)
     at org.jgroups.protocols.pbcast.STATE_TRANSFER.down(STATE_TRANSFER.java:209)
     at org.jgroups.protocols.pbcast.FLUSH.down(FLUSH.java:281)
     at org.jgroups.stack.ProtocolStack.down(ProtocolStack.java:461)
     at org.jgroups.JChannel.downcall(JChannel.java:1540)
     at org.jgroups.JChannel.connect(JChannel.java:371)
     ... 1 more