<p>java.io.IOException: Failed to send request for /files/file to localhost/127.0.0.1:44441: io.netty.handler.codec.EncoderException: java.lang.OutOfMemoryError: Java heap space</p>


<pre><code>sbt.ForkMain$ForkError: java.io.IOException: Failed to send request for /files/file to localhost/127.0.0.1:44441: io.netty.handler.codec.EncoderException: java.lang.OutOfMemoryError: Java heap space
	at org.apache.spark.network.client.TransportClient.lambda$stream$1(TransportClient.java:196)
	at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
	at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:481)
	at io.netty.util.concurrent.DefaultPromise.access$000(DefaultPromise.java:34)
	at io.netty.util.concurrent.DefaultPromise$1.run(DefaultPromise.java:431)
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:399)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:463)
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
	at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
	at java.lang.Thread.run(Thread.java:745)
Caused by: sbt.ForkMain$ForkError: io.netty.handler.codec.EncoderException: java.lang.OutOfMemoryError: Java heap space
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:106)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:732)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:724)
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:809)
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:717)
	at io.netty.handler.timeout.IdleStateHandler.write(IdleStateHandler.java:305)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:732)
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:724)
	at io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:35)
	at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1061)
	at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1115)
	at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1050)
	... 5 more
Caused by: sbt.ForkMain$ForkError: java.lang.OutOfMemoryError: Java heap space
	at io.netty.util.internal.PlatformDependent.allocateUninitializedArray(PlatformDependent.java:187)
	at io.netty.buffer.PoolArena$HeapArena.newByteArray(PoolArena.java:678)
	at io.netty.buffer.PoolArena$HeapArena.newChunk(PoolArena.java:688)
	at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:244)
	at io.netty.buffer.PoolArena.allocate(PoolArena.java:214)
	at io.netty.buffer.PoolArena.allocate(PoolArena.java:146)
	at io.netty.buffer.PooledByteBufAllocator.newHeapBuffer(PooledByteBufAllocator.java:316)
	at io.netty.buffer.AbstractByteBufAllocator.heapBuffer(AbstractByteBufAllocator.java:160)
	at io.netty.buffer.AbstractByteBufAllocator.heapBuffer(AbstractByteBufAllocator.java:151)
	at org.apache.spark.network.protocol.MessageEncoder.encode(MessageEncoder.java:82)
	at org.apache.spark.network.protocol.MessageEncoder.encode(MessageEncoder.java:33)
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:88)
	... 16 more
</code></pre>