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    <title>question Re: BlockSender.sendChuncks() error in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/322482#M228807</link>
    <description>&lt;P&gt;i give you more details about this cdh cluster.&amp;nbsp; the original cluster is 5.14 and os version is Centos 6.5, parcels REHL6, and recently i have added new machines into this cluster, os version is Centos 7.6&amp;nbsp; parcels is REHL7.&lt;/P&gt;&lt;P&gt;all this erros happend just on the new machines which is REHL 7. the old datanode doesn't have this errors.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Thu, 12 Aug 2021 17:40:09 GMT</pubDate>
    <dc:creator>iamfromsky</dc:creator>
    <dc:date>2021-08-12T17:40:09Z</dc:date>
    <item>
      <title>BlockSender.sendChuncks() error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/321946#M228614</link>
      <description>&lt;P&gt;i have found my one of CDH has so many errors on every datanode,&amp;nbsp;the error logs as below. who have this kind experience on this issue ? and give me some advises&amp;nbsp;&lt;/P&gt;
&lt;PRE&gt;2021-08-03 05:23:43,389 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061604_2849065475 src: /10.37.54.218:36088 dest: /10.37.54.218:1004
2021-08-03 05:23:43,700 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.218:36082, dest: /10.37.54.218:1004, bytes: 358, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-859199005_222, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061597_2849065468, duration: 59733778
2021-08-03 05:23:43,700 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061597_2849065468, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:43,833 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.218:36088, dest: /10.37.54.218:1004, bytes: 309, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-859199005_222, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061604_2849065475, duration: 200220559
2021-08-03 05:23:43,833 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061604_2849065475, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:44,044 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061619_2849065490 src: /10.37.54.15:59320 dest: /10.37.54.218:1004
2021-08-03 05:23:44,058 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.15:59320, dest: /10.37.54.218:1004, bytes: 112, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_1165227557_139, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061619_2849065490, duration: 3752037
2021-08-03 05:23:44,058 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061619_2849065490, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:45,037 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061679_2849065550 src: /10.37.54.218:36108 dest: /10.37.54.218:1004
2021-08-03 05:23:45,185 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.218:36108, dest: /10.37.54.218:1004, bytes: 1415899, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-1849481388_3452, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061679_2849065550, duration: 61038196
2021-08-03 05:23:45,185 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061679_2849065550, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:45,497 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Moved BP-2123011416-10.37.54.12-1457006347704:blk_3802213701_2741214333 from /10.37.54.13:44312, delHint=6a0ea409-35ad-42c5-956d-44a5b9bd58a6
2021-08-03 05:23:45,703 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061646_2849065517 src: /10.37.54.216:54728 dest: /10.37.54.218:1004
2021-08-03 05:23:45,714 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Received BP-2123011416-10.37.54.12-1457006347704:blk_3910061646_2849065517 src: /10.37.54.216:54728 dest: /10.37.54.218:1004 of size 4786053
2021-08-03 05:23:45,998 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Moved BP-2123011416-10.37.54.12-1457006347704:blk_1842563008_775812314 from /10.37.54.13:50434, delHint=6a0ea409-35ad-42c5-956d-44a5b9bd58a6
2021-08-03 05:23:46,042 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: BlockSender.sendChunks() exception: 
java.io.IOException: 断开的管道
        at sun.nio.ch.FileChannelImpl.transferTo0(Native Method)
        at sun.nio.ch.FileChannelImpl.transferToDirectlyInternal(FileChannelImpl.java:428)
        at sun.nio.ch.FileChannelImpl.transferToDirectly(FileChannelImpl.java:493)
        at sun.nio.ch.FileChannelImpl.transferTo(FileChannelImpl.java:608)
        at org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:223)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:605)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.doSendBlock(BlockSender.java:789)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:736)
        at org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:551)
        at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:148)
        at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:103)
        at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:246)
        at java.lang.Thread.run(Thread.java:745)
2021-08-03 05:23:46,043 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: BlockSender.sendChunks() exception: 
java.io.IOException: 断开的管道
        at sun.nio.ch.FileChannelImpl.transferTo0(Native Method)
        at sun.nio.ch.FileChannelImpl.transferToDirectlyInternal(FileChannelImpl.java:428)
        at sun.nio.ch.FileChannelImpl.transferToDirectly(FileChannelImpl.java:493)
        at sun.nio.ch.FileChannelImpl.transferTo(FileChannelImpl.java:608)
        at org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:223)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendPacket(BlockSender.java:605)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.doSendBlock(BlockSender.java:789)
        at org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:736)
        at org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:551)
        at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.opReadBlock(Receiver.java:148)
        at org.apache.hadoop.hdfs.protocol.datatransfer.Receiver.processOp(Receiver.java:103)
        at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:246)
        at java.lang.Thread.run(Thread.java:745)
2021-08-03 05:23:47,003 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061723_2849065594 src: /10.37.54.216:54770 dest: /10.37.54.218:1004
2021-08-03 05:23:47,018 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061724_2849065595 src: /10.37.54.216:54772 dest: /10.37.54.218:1004
2021-08-03 05:23:47,019 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.216:54772, dest: /10.37.54.218:1004, bytes: 4158, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_-1438538333_1, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061724_2849065595, duration: 1392081
2021-08-03 05:23:47,019 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061724_2849065595, type=LAST_IN_PIPELINE, downstreams=0:[] terminating
2021-08-03 05:23:47,048 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061725_2849065596 src: /10.37.54.216:54774 dest: /10.37.54.218:1004
2021-08-03 05:23:47,056 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.216:54774, dest: /10.37.54.218:1004, bytes: 69, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_1452909160_189, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061725_2849065596, duration: 7712861
2021-08-03 05:23:47,056 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061725_2849065596, type=LAST_IN_PIPELINE, downstreams=0:[] terminating
2021-08-03 05:23:47,371 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061731_2849065602 src: /10.37.54.218:36198 dest: /10.37.54.218:1004
2021-08-03 05:23:47,407 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.218:36198, dest: /10.37.54.218:1004, bytes: 314, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_466653976_222, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061731_2849065602, duration: 11069615
2021-08-03 05:23:47,407 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061731_2849065602, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:47,422 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Receiving BP-2123011416-10.37.54.12-1457006347704:blk_3910061732_2849065603 src: /10.37.54.218:36202 dest: /10.37.54.218:1004
2021-08-03 05:23:47,458 INFO org.apache.hadoop.hdfs.server.datanode.DataNode.clienttrace: src: /10.37.54.218:36202, dest: /10.37.54.218:1004, bytes: 17456, op: HDFS_WRITE, cliID: DFSClient_NONMAPREDUCE_466653976_222, offset: 0, srvID: 44713da0-9f69-44ea-b6c0-8f7420a41f83, blockid: BP-2123011416-10.37.54.12-1457006347704:blk_3910061732_2849065603, duration: 9623611
2021-08-03 05:23:47,458 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: PacketResponder: BP-2123011416-10.37.54.12-1457006347704:blk_3910061732_2849065603, type=HAS_DOWNSTREAM_IN_PIPELINE terminating
2021-08-03 05:23:47,497 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Moved BP-2123011416-10.37.54.12-1457006347704:blk_2529434549_1466543157 from /10.37.54.13:39396, delHint=6a0ea409-35ad-42c5-956d-44a5b9bd58a6&lt;/PRE&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Fri, 16 Sep 2022 14:42:54 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/321946#M228614</guid>
      <dc:creator>iamfromsky</dc:creator>
      <dc:date>2022-09-16T14:42:54Z</dc:date>
    </item>
    <item>
      <title>Re: BlockSender.sendChuncks() error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/322036#M228649</link>
      <description>&lt;P&gt;Hi&amp;nbsp;&lt;a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/7922"&gt;@iamfromsky&lt;/a&gt;&amp;nbsp;,&lt;/P&gt;&lt;P&gt;Thank you for reaching out to our community!&amp;nbsp;&lt;/P&gt;&lt;P&gt;The error message which you have provided is logged when either a "broken pipe" or "connection reset" happens, which is most likely network-related.&lt;/P&gt;&lt;P&gt;Please check if the network is stable when you see these errors.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Also refer Jira&amp;nbsp;&lt;A href="https://issues.apache.org/jira/browse/HDFS-8814" target="_self"&gt;HDFS-8814&lt;/A&gt;&amp;nbsp;for more details.&lt;/P&gt;</description>
      <pubDate>Wed, 04 Aug 2021 08:56:20 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/322036#M228649</guid>
      <dc:creator>Madhur</dc:creator>
      <dc:date>2021-08-04T08:56:20Z</dc:date>
    </item>
    <item>
      <title>Re: BlockSender.sendChuncks() error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/322482#M228807</link>
      <description>&lt;P&gt;i give you more details about this cdh cluster.&amp;nbsp; the original cluster is 5.14 and os version is Centos 6.5, parcels REHL6, and recently i have added new machines into this cluster, os version is Centos 7.6&amp;nbsp; parcels is REHL7.&lt;/P&gt;&lt;P&gt;all this erros happend just on the new machines which is REHL 7. the old datanode doesn't have this errors.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 12 Aug 2021 17:40:09 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/322482#M228807</guid>
      <dc:creator>iamfromsky</dc:creator>
      <dc:date>2021-08-12T17:40:09Z</dc:date>
    </item>
    <item>
      <title>Re: BlockSender.sendChuncks() error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/339163#M233064</link>
      <description>&lt;P&gt;oh, this is a long time ago issue, the root cause is because new machines charset is not utf-8, just keep all the machines chaset is utf-8 , then its ok.&lt;/P&gt;</description>
      <pubDate>Wed, 23 Mar 2022 08:21:13 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/BlockSender-sendChuncks-error/m-p/339163#M233064</guid>
      <dc:creator>iamfromsky</dc:creator>
      <dc:date>2022-03-23T08:21:13Z</dc:date>
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