jgroupメンバーは参加できませんか？

Question

私はjgroups経由で配布するehcacheを使用します。私は流通のためにUDP multicatを使用します。

ehcacheはWebアプリケーション内に存在します。そのwebappを実行するマシンがいくつかあります。何らかの理由で私はWARN NAKACKを手に入れます。 ehcacheのいくつかのインスタンスがjgroupに参加できないようです。

これでehcacheを設定（JGroupsの-config設定を含む）：

<cacheManagerPeerProviderFactory  class="net.sf.ehcache.distribution.jgroups.JGroupsCacheManagerPeerProviderFactory" 
    properties="connect=UDP(mcast_addr=${ehcache.multicast.address};mcast_port=45566;ip_ttl=32; 
     mcast_send_buf_size=150000;mcast_recv_buf_size=80000): 
     PING(timeout=2000;num_initial_members=6): 
     MERGE2(min_interval=5000;max_interval=10000): 
     FD_SOCK:VERIFY_SUSPECT(timeout=1500): 
     pbcast.NAKACK(gc_lag=10;retransmit_timeout=3000): 
     UNICAST(timeout=5000): 
     pbcast.STABLE(desired_avg_gossip=20000): 
     FRAG: 
     pbcast.GMS(join_timeout=5000;join_retry_timeout=2000; 
     shun=false;print_local_addr=true)" 
    propertySeparator="::" /> 

これは、スタックトレースです：

TRACE - UDP      - received [dst: <null>, src: testforce-54850 (2 headers), size=0 bytes, flags=OOB], headers are PING: [PING: type=GET_MBRS_REQ, cluster=EH_CACHE, arg=own_addr=testforce-54850, view id=null, is_server=false, is_coord=false, logical_name=testforce-54850, physical_addrs=fe80:0:0:0:216:3eff:fea6:7808%2:35176], UDP: [channel_name=EH_CACHE] 
TRACE - PING      - received GET_MBRS_REQ from testforce-54850, sending response [PING: type=GET_MBRS_RSP, arg=own_addr=hitchhiker-12009, view id=[hitchhiker-12009|0], is_server=true, is_coord=true, logical_name=hitchhiker-12009] 
TRACE - UDP      - sending msg to testforce-54850, src=hitchhiker-12009, headers are PING: [PING: type=GET_MBRS_RSP, arg=own_addr=hitchhiker-12009, view id=[hitchhiker-12009|0], is_server=true, is_coord=true, logical_name=hitchhiker-12009], UDP: [channel_name=EH_CACHE] 
TRACE - UDP      - received [dst: <null>, src: testforce-54850 (2 headers), size=0 bytes, flags=OOB], headers are PING: [PING: type=GET_MBRS_REQ, cluster=EH_CACHE, arg=own_addr=testforce-54850, view id=null, is_server=false, is_coord=false, logical_name=testforce-54850, physical_addrs=fe80:0:0:0:216:3eff:fea6:7808%2:35176], UDP: [channel_name=EH_CACHE] 
TRACE - PING      - received GET_MBRS_REQ from testforce-54850, sending response [PING: type=GET_MBRS_RSP, arg=own_addr=hitchhiker-12009, view id=[hitchhiker-12009|0], is_server=true, is_coord=true, logical_name=hitchhiker-12009] 
TRACE - UDP      - sending msg to testforce-54850, src=hitchhiker-12009, headers are PING: [PING: type=GET_MBRS_RSP, arg=own_addr=hitchhiker-12009, view id=[hitchhiker-12009|0], is_server=true, is_coord=true, logical_name=hitchhiker-12009], UDP: [channel_name=EH_CACHE] 
TRACE - UDP      - received [dst: <null>, src: testforce-54850 (3 headers), size=0 bytes, flags=OOB], headers are GMS: GmsHeader[GET_DIGEST_REQ]: mbr=null, NAKACK: [MSG, seqno=30], UDP: [channel_name=EH_CACHE] 
TRACE - NAKACK      - hitchhiker-12009: received testforce-54850#30 
WARN - NAKACK      - hitchhiker-12009: dropped message from testforce-54850 (not in xmit_table), keys are [hitchhiker-12009], view=[hitchhiker-12009|0] [hitchhiker-12009] 
TRACE - STABLE      - hitchhiker-12009: setting latest_local_digest from NAKACK: [hitchhiker-12009#3] 
TRACE - STABLE      - hitchhiker-12009: sending stable msg [hitchhiker-12009#3] 
TRACE - NAKACK      - sending hitchhiker-12009#4 
TRACE - UDP      - sending msg to null, src=hitchhiker-12009, headers are STABLE: [STABLE_GOSSIP]: digest is hitchhiker-12009: [0 : 3 (3)], NAKACK: [MSG, seqno=4], UDP: [channel_name=EH_CACHE] 
TRACE - UDP      - looping back message [dst: <null>, src: hitchhiker-12009 (3 headers), size=0 bytes, flags=OOB] 
TRACE - UDP      - received [dst: <null>, src: hitchhiker-12009 (3 headers), size=0 bytes, flags=OOB], headers are STABLE: [STABLE_GOSSIP]: digest is hitchhiker-12009: [0 : 3 (3)], NAKACK: [MSG, seqno=4], UDP: [channel_name=EH_CACHE] 
TRACE - NAKACK      - hitchhiker-12009: received hitchhiker-12009#4 
TRACE - STABLE      - hitchhiker-12009: handling digest from hitchhiker-12009 (0 votes): 
mine: [hitchhiker-12009#2] 
other: [hitchhiker-12009#3] 
result: [hitchhiker-12009#2] 

私はこれについて何ができるか任意のアイデア？ Thanx

Answer 1

あなたの投稿は今のところ半年です。そのような場合は、サーバーが同じ物理ネットワークにあり、udp通信に使用するポートがその間のどこでもブロックされていないことを確認する必要があります。