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https://issues.apache.org/jira/browse/PLC4X-163?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17009649#comment-17009649
]
Sebastian Wiendl commented on PLC4X-163:
----------------------------------------
Ah I see... Its compiling now - I also had a nexus repo cache in my
settings.xml that couldnt resolve the codegen plugin...
> Netty OutOfDirectMemoryError
> ----------------------------
>
> Key: PLC4X-163
> URL: https://issues.apache.org/jira/browse/PLC4X-163
> Project: Apache PLC4X
> Issue Type: Bug
> Components: Util-Scraper
> Affects Versions: 0.5.0
> Environment: Ubuntu 16.04 LTS
> Java 1.8.0_201
> {code}$ java -XX:+PrintFlagsFinal -version | grep -iE
> 'HeapSize|PermSize|ThreadStackSize'
> intx CompilerThreadStackSize = 0
> {pd product}
> uintx ErgoHeapSizeLimit = 0
> {product}
> uintx HeapSizePerGCThread = 87241520
> {product}
> uintx InitialHeapSize := 132120576
> {product}
> uintx LargePageHeapSizeThreshold = 134217728
> {product}
> uintx MaxHeapSize := 2092957696
> {product}
> intx ThreadStackSize = 1024
> {pd product}
> intx VMThreadStackSize = 1024
> {pd product}
> java version "1.8.0_201"
> Java(TM) SE Runtime Environment (build 1.8.0_201-b09)
> Java HotSpot(TM) 64-Bit Server VM (build 25.201-b09, mixed mode){code}
> Reporter: Sebastian Wiendl
> Assignee: Julian Feinauer
> Priority: Blocker
>
> After roughly 5-7 days of continued scraper operation (about 10 PLC tags,
> 100ms sampling rate), the scraper stops working with the following log
> output:{code}2019-12-12 18:08:29.569 WARN 23031 --- [nioEventLoopGroup-2-1]
> io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was
> fired, and it reached at the tail of the pipeline. It usually means the last
> handler in the pipeline did not handle the exception.
> io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216
> byte(s) of direct memory (used: 1845493760, max: 1860698112)
> at
> io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:726)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:681)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:758)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:734)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:245)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:215)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:147)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:342)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:139)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:114)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:147)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
> 2019-12-12 18:08:29.569 WARN 23031 --- [nioEventLoopGroup-2-1]
> io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was
> fired, and it reached at the tail of the pipeline. It usually means the last
> handler in the pipeline did not handle the exception.
> io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216
> byte(s) of direct memory (used: 1845493760, max: 1860698112)
> at
> io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:726)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:681)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:758)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:734)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:245)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:215)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:147)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:342)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:139)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:114)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:147)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
> 2019-12-12 18:08:29.570 WARN 23031 --- [nioEventLoopGroup-2-1]
> io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was
> fired, and it reached at the tail of the pipeline. It usually means the last
> handler in the pipeline did not handle the exception.
> io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216
> byte(s) of direct memory (used: 1845493760, max: 1860698112)
> at
> io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:726)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:681)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:758)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:734)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:245)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:215)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:147)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:342)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:139)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:114)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:147)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
> 2019-12-12 18:08:29.570 WARN 23031 --- [nioEventLoopGroup-2-1]
> io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was
> fired, and it reached at the tail of the pipeline. It usually means the last
> handler in the pipeline did not handle the exception.
> io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216
> byte(s) of direct memory (used: 1845493760, max: 1860698112)
> at
> io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:726)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:681)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:758)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:734)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:245)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:215)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:147)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:342)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:139)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:114)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:147)
> ~[netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
> 2019-12-12 18:08:29.570 WARN 23031 --- [nioEventLoopGroup-2-1]
> io.netty.channel.DefaultChannelPipeline : An exceptionCaught() event was
> fired, and it reached at the tail of the pipeline. It usually means the last
> handler in the pipeline did not handle the exception.
> io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216
> byte(s) of direct memory (used: 1845493760, max: 1860698112)
> at
> io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:726)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:681)
> ~[netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:758)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:734)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:245)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:215)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.PoolArena.allocate(PoolArena.java:147)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:342)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.buffer.AbstractByteBufAllocator.buffer(AbstractByteBufAllocator.java:123)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.buffer.AbstractByteBuf.readBytes(AbstractByteBuf.java:886)
> ~[netty-buffer-4.1.43.Final.jar!/:4.1.43.Final]
> at
> org.apache.plc4x.java.isoontcp.protocol.IsoOnTcpProtocol.decode(IsoOnTcpProtocol.java:100)
> ~[plc4j-protocol-iso-on-tcp-0.5.0.jar!/:0.5.0]
> at
> io.netty.handler.codec.ByteToMessageCodec$1.decode(ByteToMessageCodec.java:42)
> ~[netty-codec-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:503)
> ~[netty-codec-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:442)
> ~[netty-codec-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:281)
> ~[netty-codec-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.handler.codec.ByteToMessageCodec.channelRead(ByteToMessageCodec.java:103)
> ~[netty-codec-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1422)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:931)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514)
> [netty-transport-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> [netty-common-4.1.43.Final.jar!/:4.1.43.Final]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_201]
> 2019-12-12 18:08:31.563 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:33.564 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:35.565 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:37.566 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:39.566 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:41.567 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:43.568 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:45.568 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:47.569 WARN 23031 ---
> [triggeredscraper-scheduling-thread-20] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:49.569 WARN 23031 ---
> [triggeredscraper-scheduling-thread-7] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG
> 2019-12-12 18:08:51.570 WARN 23031 ---
> [triggeredscraper-scheduling-thread-7] o.a.p.j.s.t.TriggeredScraperTask
> : Exception during scraping of Job example, Connection-Alias S7:
> Error-message: null - for stack-trace change logging to DEBUG{code}
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