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Posted to issues@flume.apache.org by "songzhenxing (JIRA)" <ji...@apache.org> on 2018/03/19 08:25:00 UTC
[jira] [Reopened] (FLUME-3226) flume1.8.0 taildir-source Error:
Failed loading positionFile: /usr/op/.flume/taildir_position.json
[ https://issues.apache.org/jira/browse/FLUME-3226?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
songzhenxing reopened FLUME-3226:
---------------------------------
> flume1.8.0 taildir-source Error: Failed loading positionFile: /usr/op/.flume/taildir_position.json
> ----------------------------------------------------------------------------------------------------
>
> Key: FLUME-3226
> URL: https://issues.apache.org/jira/browse/FLUME-3226
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: 1.8.0
> Reporter: songzhenxing
> Priority: Major
> Labels: TaildirSource
> Fix For: 1.8.0
>
> Attachments: taildir_positionfile.patch
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> config file :
> {code:java}
> a1.sources = r1
> a1.sinks = k1
> a1.channels = c1
> ## source
> a1.sources.r1.type = TAILDIR
> a1.sources.r1.positionFile = /tmp/taildir_position.json
> a1.sources.r1.filegroups = f1
> a1.sources.r1.filegroups.f1 = /tmp/logs/.*log.*
> a1.sources.r1.fileHeader = true
> # Describe the sink
> a1.sinks.k1.type = logger
> # Use a channel which buffers events in memory
> a1.channels.c1.type = memory
> a1.channels.c1.capacity = 1000
> a1.channels.c1.transactionCapacity = 100
> # Bind the source and sink to the channel
> a1.sources.r1.channels = c1
> a1.sinks.k1.channel = c1
> {code}
> 2.create a empty file "/tmp/taildir_position.json"
> 3.Running flume causes errors.
> {code:java}
> 2018-02-28 15:12:49,001 (lifecycleSupervisor-1-0) [INFO - org.apache.flume.source.taildir.ReliableTaildirEventReader.<init>(ReliableTaildirEventReader.java:94)] Updating position from position file: /usr/op/.flume/taildir_position.json
> 2018-02-28 15:12:49,008 (lifecycleSupervisor-1-0) [ERROR - org.apache.flume.source.taildir.ReliableTaildirEventReader.loadPositionFile(ReliableTaildirEventReader.java:146)] Failed loading positionFile: /usr/op/.flume/taildir_position.json
> java.io.EOFException: End of input at line 1 column 1
> at com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:954)
> at com.google.gson.stream.JsonReader.nextValue(JsonReader.java:771)
> at com.google.gson.stream.JsonReader.peek(JsonReader.java:367)
> at com.google.gson.stream.JsonReader.expect(JsonReader.java:337)
> at com.google.gson.stream.JsonReader.beginArray(JsonReader.java:306)
> at org.apache.flume.source.taildir.ReliableTaildirEventReader.loadPositionFile(ReliableTaildirEventReader.java:110)
> at org.apache.flume.source.taildir.ReliableTaildirEventReader.<init>(ReliableTaildirEventReader.java:95)
> at org.apache.flume.source.taildir.ReliableTaildirEventReader.<init>(ReliableTaildirEventReader.java:48)
> at org.apache.flume.source.taildir.ReliableTaildirEventReader$Builder.build(ReliableTaildirEventReader.java:348)
> at org.apache.flume.source.taildir.TaildirSource.start(TaildirSource.java:103)
> at org.apache.flume.source.PollableSourceRunner.start(PollableSourceRunner.java:71)
> at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:249)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> 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)
> 2018-02-28 15:12:49,013 (lifecycleSupervisor-1-0) [INFO - org.apache.flume.instrumentation.MonitoredCounterGroup.register(MonitoredCounterGroup.java:119)] Monitored counter group for type: SOURCE, name: r1: Successfully registered new MBean.
> 2018-02-28 15:12:49,013 (lifecycleSupervisor-1-0) [INFO - org.apache.flume.instrumentation.MonitoredCounterGroup.start(MonitoredCounterGroup.java:95)] Component type: SOURCE, name: r1 started
> {code}
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