[jira] [Updated] (FLUME-2961) Make TaildirSource work with multiline

["tinawenqiao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLUME-2961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

tinawenqiao updated FLUME-2961:
-------------------------------
    Attachment: FLUME-2961_5.patch

Fix the read position problem when the file is closed and the bufferEvent is not empty.

> Make TaildirSource work with multiline
> --------------------------------------
>
>                 Key: FLUME-2961
>                 URL: https://issues.apache.org/jira/browse/FLUME-2961
>             Project: Flume
>          Issue Type: Improvement
>          Components: Sinks+Sources
>    Affects Versions: 1.7.0
>            Reporter: tinawenqiao
>            Assignee: tinawenqiao
>             Fix For: 1.9.0
>
>         Attachments: FLUME-2961_1.patch, FLUME-2961_2.patch, FLUME-2961_4.patch, FLUME-2961_5.patch
>
>
> TaidirSource defaults to LINE, this has issue when multiline log events like stack traces and have request/responses. Following part is Java traceback logs. We expect to have log line start regex Key to aggregate all the log lines till the next regex key is found.
> 2016-07-16 14:59:43,956 ERROR lifecycleSupervisor-1-7 LifecycleSupervisor.run - Unable to start EventDrivenSourceRunner: { source:cn.yottabyte.flume.source.http.HTTPSource{name:sourceHttp,state:IDLE} } - Exception follows.
> java.lang.IllegalStateException: Running HTTP Server found in source: sourceHttp before I started one. Will not attempt to start.
>     at com.google.common.base.Preconditions.checkState(Preconditions.java:145)
>     at cn.yottabyte.flume.source.http.HTTPSource.startHttpSourceServer(HTTPSource.java:170)
>     at cn.yottabyte.flume.source.http.HTTPSource.start(HTTPSource.java:166)
>     at org.apache.flume.source.EventDrivenSourceRunner.start(EventDrivenSourceRunner.java:44)
>     at org.apache.flume.lifecycle.LifecycleSupervisor$MonitorRunnable.run(LifecycleSupervisor.java:251)
>     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>     at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304)
>     at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>     at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>     at java.lang.Thread.run(Thread.java:745)



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