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Hudson commented on HBASE-24713: -------------------------------- Results for branch branch-2.3 [build #201 on builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/201/]: (/) *{color:green}+1 overall{color}* ---- details (if available): (/) {color:green}+1 general checks{color} -- For more information [see general report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/201/General_20Nightly_20Build_20Report/] (/) {color:green}+1 jdk8 hadoop2 checks{color} -- For more information [see jdk8 (hadoop2) report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/201/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/] (/) {color:green}+1 jdk8 hadoop3 checks{color} -- For more information [see jdk8 (hadoop3) report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/201/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 jdk11 hadoop3 checks{color} -- For more information [see jdk11 report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2.3/201/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/] (/) {color:green}+1 source release artifact{color} -- See build output for details. (/) {color:green}+1 client integration test{color} > RS startup with FSHLog throws NPE after HBASE-21751 > --------------------------------------------------- > > Key: HBASE-24713 > URL: https://issues.apache.org/jira/browse/HBASE-24713 > Project: HBase > Issue Type: Bug > Components: wal > Affects Versions: 2.1.6 > Reporter: ramkrishna.s.vasudevan > Assignee: Gaurav Kanade > Priority: Minor > Fix For: 3.0.0-alpha-1, 2.3.1, 2.4.0, 2.2.6 > > > Every RS startup creates this NPE > {code} > [sync.1] wal.FSHLog: UNEXPECTED > java.lang.NullPointerException > at > org.apache.hadoop.hbase.regionserver.wal.FSHLog$SyncRunner.run(FSHLog.java:582) > at java.lang.Thread.run(Thread.java:748) > 2020-07-07 10:51:23,208 WARN [regionserver/xxxxx:16020] wal.FSHLog: Failed > sync-before-close but no outstanding appends; closing > WALjava.lang.NullPointerException > {code} > the reason is that the Disruptor frameworks starts the Syncrunner thread but > the init of the writer happens after that. A simple null check in the > Syncrunner will help here . > No major damage happens though since we handle Throwable Exception. It will > good to solve this. -- This message was sent by Atlassian Jira (v8.3.4#803005)