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Posted to dev@plc4x.apache.org by "Sebastian Wiendl (Jira)" <ji...@apache.org> on 2019/12/16 07:46:00 UTC
[jira] [Created] (PLC4X-163) Netty OutOfDirectMemoryError
Sebastian Wiendl created PLC4X-163:
--------------------------------------
Summary: 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
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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