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java.lang.OutOfMemoryError at sun.misc.Unsafe.allocateMemory(Native Method) at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:127) at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311) at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:645) at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:229) at io.netty.buffer.PoolArena.allocate(PoolArena.java:205) at io.netty.buffer.PoolArena.allocate(PoolArena.java:133) at io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:271) at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:155) at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:146) at org.apache.activemq.artemis.core.remoting.impl.netty.PartialPooledByteBufAllocator.directBuffer(PartialPooledByteBufAllocator.java:91) at org.apache.activemq.artemis.core.remoting.impl.netty.NettyServerConnection.createTransportBuffer(NettyServerConnection.java:38) at org.apache.activemq.artemis.spi.core.protocol.AbstractRemotingConnection.createTransportBuffer(AbstractRemotingConnection.java:165) at org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl.encode(PacketImpl.java:269) at org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.send(ChannelImpl.java:248) at org.apache.activemq.artemis.core.protocol.core.impl.ChannelImpl.send(ChannelImpl.java:218) at org.apache.activemq.artemis.core.protocol.core.impl.CoreProtocolManager$LocalChannelHandler$3.run(CoreProtocolManager.java:312) at org.apache.activemq.artemis.utils.OrderedExecutorFactory$OrderedExecutor$ExecutorTask.run(OrderedExecutorFactory.java:103) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)