ERROR Xmemcached-Reactor-6 net.rubyeye.xmemcached.impl.MemcachedHandler - XMemcached network layout exception java.lang.OutOfMemoryError: Java heap space

java.lang.OutOfMemoryError: Java heap space

    at java.util.concurrent.LinkedTransferQueue.xfer(LinkedTransferQueue.java:639)
    at java.util.concurrent.LinkedTransferQueue.add(LinkedTransferQueue.java:1077)
    at net.rubyeye.xmemcached.impl.MemcachedTCPSession.addCommand(MemcachedTCPSession.java:214)
    at net.rubyeye.xmemcached.impl.MemcachedHandler.onMessageSent(MemcachedHandler.java:121)
    at com.google.code.yanf4j.nio.impl.AbstractNioSession.onWrite(AbstractNioSession.java:121)
    at net.rubyeye.xmemcached.impl.MemcachedHandler.checkHeartBeat(MemcachedHandler.java:205)
    at net.rubyeye.xmemcached.impl.MemcachedHandler.onSessionIdle(MemcachedHandler.java:182)

2017-03-18 19:14:59:WARN XMemcached-HeartBeatPool[MemcachedClient-1]-2 net.rubyeye.xmemcached.impl.MemcachedHandler - Session(localhost.1:11211) heartbeat fail 4 times,close session and try to heal it
2017-03-18 19:14:56:ERROR Xmemcached-Reactor-7 net.rubyeye.xmemcached.impl.MemcachedHandler - XMemcached network layout exception
java.lang.OutOfMemoryError: Java heap space
2017-03-18 19:14:48:ERROR Xmemcached-Reactor-7 net.rubyeye.xmemcached.impl.MemcachedHandler - XMemcached network layout exception
java.lang.OutOfMemoryError: Java heap space
2017-03-18 19:14:47:ERROR Xmemcached-Reactor-3 net.rubyeye.xmemcached.impl.MemcachedHandler - XMemcached network layout exception
java.lang.OutOfMemoryError: Java heap space
2017-03-18 19:14:59:WARN XMemcached-HeartBeatPool[MemcachedClient-0]-1 net.rubyeye.xmemcached.impl.MemcachedHandler - Session(localhost:11211) heartbeat fail 4 times,close session and try to heal it