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Hudson commented on HBASE-28955: -------------------------------- Results for branch branch-2.6 [build #241 on builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/]: (x) *{color:red}-1 overall{color}* ---- 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-2.6/241/General_20Nightly_20Build_20Report/] (/) {color:green}+1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/] (/) {color:green}+1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk17 hadoop3 checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (x) {color:red}-1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk17 hadoop ${HADOOP_THREE_VERSION} backward compatibility checks{color} -- For more information [see jdk17 report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/241/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test for HBase 2 {color} (/) {color:green}+1 client integration test for 3.3.5 {color} (/) {color:green}+1 client integration test for 3.3.6 {color} (/) {color:green}+1 client integration test for 3.4.0 {color} > 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. -- This message was sent by Atlassian Jira (v8.20.10#820010)