Simulink: Exception in thread "ROS Executor Thread": java.lang.​OutOfMemor​yError: Direct buffer memory

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ling yu
ling yu 2020-8-12
I use simulink connect with ROS. However simulink always reported error as below after a while ( about 2400 seconds)
Exception in thread "ROS Executor Thread": java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:694)
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311)
at org.jboss.netty.channel.socket.nio.SocketSendBufferPool$Preallocation.<init>(SocketSendBufferPool.java:158)
at org.jboss.netty.channel.socket.nio.SocketSendBufferPool.<init>(SocketSendBufferPool.java:40)
at org.jboss.netty.channel.socket.nio.AbstractNioWorker.<init>(AbstractNioWorker.java:123)
at org.jboss.netty.channel.socket.nio.NioWorker.<init>(NioWorker.java:44)
at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:34)
at org.jboss.netty.channel.socket.nio.NioWorkerPool.createWorker(NioWorkerPool.java:26)
at org.jboss.netty.channel.socket.nio.AbstractNioWorkerPool.<init>(AbstractNioWorkerPool.java:58)
at org.jboss.netty.channel.socket.nio.NioWorkerPool.<init>(NioWorkerPool.java:29)
at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:149)
at org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory.<init>(NioClientSocketChannelFactory.java:114)
at org.ros.internal.transport.tcp.TcpClient.<init>(TcpClient.java:71)
at org.ros.internal.transport.tcp.TcpClientManager.connect(TcpClientManager.java:67)
at org.ros.internal.node.topic.DefaultSubscriber.addPublisher(DefaultSubscriber.java:158)
at org.ros.internal.node.topic.UpdatePublisherRunnable.run(UpdatePublisherRunnable.java:73)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Here is my simulink model, include one rospublisher (geometry_msgs/Point) and two rossubsciber (geometry_msgs/PointStamped, geometry_msgs/PoseStamped)

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