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https://issues.apache.org/jira/browse/HBASE-28955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898777#comment-17898777
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Hudson commented on HBASE-28955:
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Results for branch branch-2.5
[build #628 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/628/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/628/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/628/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
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(x) {color:red}-1 jdk11 hadoop3 checks{color}
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(x) {color:red}-1 jdk17 hadoop3 checks{color}
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(x) {color:red}-1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility
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(x) {color:red}-1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility
checks{color}
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(x) {color:red}-1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility
checks{color}
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> Improve lease renew for FanOutOneBlockAsyncDFSOutput
> ----------------------------------------------------
>
> Key: HBASE-28955
> URL: https://issues.apache.org/jira/browse/HBASE-28955
> Project: HBase
> Issue Type: Bug
> Components: Filesystem Integration, hadoop3, io
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0-beta-2
>
>
> When working with hadoop 3.4.x, we saw this in the stdout file
> {noformat}
> Exception in thread "LeaseRenewer:zhangduo@home"
> java.lang.NullPointerException: Cannot invoke
> "org.apache.hadoop.hdfs.DFSOutputStream.getNamespace()" because
> "outputStream" is null
> at org.apache.hadoop.hdfs.DFSClient.getNamespaces(DFSClient.java:596)
> at org.apache.hadoop.hdfs.DFSClient.renewLease(DFSClient.java:618)
> at
> org.apache.hadoop.hdfs.client.impl.LeaseRenewer.renew(LeaseRenewer.java:425)
> at
> org.apache.hadoop.hdfs.client.impl.LeaseRenewer.run(LeaseRenewer.java:445)
> at
> org.apache.hadoop.hdfs.client.impl.LeaseRenewer.access$800(LeaseRenewer.java:77)
> at
> org.apache.hadoop.hdfs.client.impl.LeaseRenewer$1.run(LeaseRenewer.java:336)
> at java.base/java.lang.Thread.run(Thread.java:840)
> {noformat}
> This is because in newer DFSClient implementation, we need to pass namespace
> when renewer lease so we can not just pass null as DFSOutputStream when
> calling DFSClient.beginFileLease. We should find a way to deal with it.
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