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From "dengziming (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HUDI-596) KafkaConsumer need to be closed
Date Mon, 03 Feb 2020 07:00:00 GMT

     [ https://issues.apache.org/jira/browse/HUDI-596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

dengziming updated HUDI-596:
----------------------------
    Summary: KafkaConsumer need to be closed  (was: KafkaConsumer need to be close)

> KafkaConsumer need to be closed
> -------------------------------
>
>                 Key: HUDI-596
>                 URL: https://issues.apache.org/jira/browse/HUDI-596
>             Project: Apache Hudi (incubating)
>          Issue Type: Bug
>          Components: Utilities
>            Reporter: dengziming
>            Assignee: dengziming
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> `offsetGen.getNextOffsetRanges` will is called periodically in DeltaStreamer application,
and it will `new KafkaConsumer(kafkaParams)` without close, and Exception will throw after
a while.
> ```
> java.net.SocketException: Too many open files
> 	at sun.nio.ch.Net.socket0(Native Method)
> 	at sun.nio.ch.Net.socket(Net.java:411)
> 	at sun.nio.ch.Net.socket(Net.java:404)
> 	at sun.nio.ch.SocketChannelImpl.<init>(SocketChannelImpl.java:105)
> 	at sun.nio.ch.SelectorProviderImpl.openSocketChannel(SelectorProviderImpl.java:60)
> 	at java.nio.channels.SocketChannel.open(SocketChannel.java:145)
> 	at org.apache.kafka.common.network.Selector.connect(Selector.java:211)
> 	at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:864)
> 	at org.apache.kafka.clients.NetworkClient.ready(NetworkClient.java:265)
> 	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.trySend(ConsumerNetworkClient.java:485)
> 	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:261)
> 	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:242)
> 	at org.apache.kafka.clients.consumer.internals.ConsumerNetworkClient.poll(ConsumerNetworkClient.java:218)
> 	at org.apache.kafka.clients.consumer.internals.Fetcher.getTopicMetadata(Fetcher.java:274)
> 	at org.apache.kafka.clients.consumer.KafkaConsumer.partitionsFor(KafkaConsumer.java:1774)
> 	at org.apache.kafka.clients.consumer.KafkaConsumer.partitionsFor(KafkaConsumer.java:1742)
> 	at org.apache.hudi.utilities.sources.helpers.KafkaOffsetGen.getNextOffsetRanges(KafkaOffsetGen.java:177)
> 	at org.apache.hudi.utilities.sources.JsonKafkaSource.fetchNewData(JsonKafkaSource.java:56)
> 	at org.apache.hudi.utilities.sources.Source.fetchNext(Source.java:73)
> 	at org.apache.hudi.utilities.deltastreamer.SourceFormatAdapter.fetchNewDataInRowFormat(SourceFormatAdapter.java:107)
> 	at org.apache.hudi.utilities.deltastreamer.DeltaSync.readFromSource(DeltaSync.java:288)
> 	at org.apache.hudi.utilities.deltastreamer.DeltaSync.syncOnce(DeltaSync.java:226)
> ```



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