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https://issues.apache.org/jira/browse/HUDI-596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated HUDI-596:
--------------------------------
Labels: pull-request-available (was: )
> KafkaConsumer need to be close
> ------------------------------
>
> 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
>
> `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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