java.util.ConcurrentModificationException

GitHub | kjayashankar | 8 months ago
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    GitHub comment 64#227056694

    GitHub | 11 months ago | Kurre
    java.util.ConcurrentModificationException
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    GitHub comment 896#241220398

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Root Cause Analysis

  1. java.util.ConcurrentModificationException

    No message provided

    at java.util.HashMap$HashIterator.nextNode()
  2. Java RT
    HashMap$KeyIterator.next
    1. java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
    2. java.util.HashMap$KeyIterator.next(HashMap.java:1461)
    2 frames
  3. io.moquette.spi
    ProtocolProcessor.processPublish
    1. io.moquette.spi.persistence.MapDBSessionsStore.max(MapDBSessionsStore.java:179)
    2. io.moquette.spi.persistence.MapDBSessionsStore.nextPacketID(MapDBSessionsStore.java:168)
    3. io.moquette.spi.ClientSession.nextPacketId(ClientSession.java:170)
    4. io.moquette.spi.impl.ProtocolProcessor.route2Subscribers(ProtocolProcessor.java:555)
    5. io.moquette.spi.impl.ProtocolProcessor.processPublish(ProtocolProcessor.java:418)
    5 frames
  4. io.moquette.server
    NettyMQTTHandler.channelRead
    1. io.moquette.server.netty.NettyMQTTHandler.channelRead(NettyMQTTHandler.java:61)
    1 frame
  5. Netty
    AbstractChannelHandlerContext.fireChannelRead
    1. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    2. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    2 frames
  6. io.moquette.server
    MessageMetricsHandler.channelRead
    1. io.moquette.server.netty.metrics.MessageMetricsHandler.channelRead(MessageMetricsHandler.java:46)
    1 frame
  7. Netty
    AbstractChannelHandlerContext.fireChannelRead
    1. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    2. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    3. io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:276)
    4. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:263)
    5. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    6. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    7. io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
    8. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    9. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    10. io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
    11. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    12. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    12 frames
  8. io.moquette.server
    BytesMetricsHandler.channelRead
    1. io.moquette.server.netty.metrics.BytesMetricsHandler.channelRead(BytesMetricsHandler.java:47)
    1 frame
  9. Netty
    DefaultThreadFactory$DefaultRunnableDecorator.run
    1. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    2. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    3. io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:266)
    4. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:318)
    5. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:304)
    6. io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
    7. io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
    8. io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    9. io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    10. io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    11. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    12. io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
    13. io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    13 frames
  10. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)
    1 frame