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Hadoop QA commented on HBASE-19682: ----------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 1m 52s{color} | {color:blue} Docker mode activated. {color} | || || || || {color:brown} Prechecks {color} || | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 0s{color} | {color:blue} Findbugs executables are not available. {color} | | {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m 0s{color} | {color:green} Patch does not have any anti-patterns. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} | | {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m 0s{color} | {color:red} The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {color} | || || || || {color:brown} master Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s{color} | {color:blue} Maven dependency ordering for branch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 46s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 30s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m 55s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 7m 36s{color} | {color:green} branch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 51s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 12s{color} | {color:blue} Maven dependency ordering for patch {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m 34s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 2m 20s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 2m 20s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s{color} | {color:green} The patch hbase-common passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 30s{color} | {color:green} hbase-client: The patch generated 0 new + 188 unchanged - 1 fixed = 188 total (was 189) {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 5s{color} | {color:red} hbase-server: The patch generated 1 new + 215 unchanged - 1 fixed = 216 total (was 216) {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 28s{color} | {color:green} The patch hbase-thrift passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 13s{color} | {color:green} The patch hbase-backup passed checkstyle {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 14s{color} | {color:green} The patch hbase-rest passed checkstyle {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 4m 39s{color} | {color:green} patch has no errors when building our shaded downstream artifacts. {color} | | {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 19m 10s{color} | {color:green} Patch does not cause any errors with Hadoop 2.6.5 2.7.4 or 3.0.0. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 50s{color} | {color:green} the patch passed {color} | || || || || {color:brown} Other Tests {color} || | {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 13s{color} | {color:green} hbase-common in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m 46s{color} | {color:green} hbase-client in the patch passed. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 22m 38s{color} | {color:red} hbase-server in the patch failed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 48s{color} | {color:green} hbase-thrift in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 10m 47s{color} | {color:green} hbase-backup in the patch passed. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 3m 8s{color} | {color:green} hbase-rest in the patch passed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 1m 9s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 94m 57s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Failed junit tests | hadoop.hbase.regionserver.TestMemstoreLABWithoutPool | \\ \\ || Subsystem || Report/Notes || | Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:eee3b01 | | JIRA Issue | HBASE-19682 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12904292/HBASE-19682.2.patch | | Optional Tests | asflicense javac javadoc unit findbugs shadedjars hadoopcheck hbaseanti checkstyle compile | | uname | Linux 20ce059d6e68 3.13.0-129-generic #178-Ubuntu SMP Fri Aug 11 12:48:20 UTC 2017 x86_64 GNU/Linux | | Build tool | maven | | Personality | /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh | | git revision | master / 32e0107751 | | maven | version: Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z) | | Default Java | 1.8.0_151 | | checkstyle | https://builds.apache.org/job/PreCommit-HBASE-Build/10849/artifact/patchprocess/diff-checkstyle-hbase-server.txt | | unit | https://builds.apache.org/job/PreCommit-HBASE-Build/10849/artifact/patchprocess/patch-unit-hbase-server.txt | | Test Results | https://builds.apache.org/job/PreCommit-HBASE-Build/10849/testReport/ | | modules | C: hbase-common hbase-client hbase-server hbase-thrift hbase-backup hbase-rest U: . | | Console output | https://builds.apache.org/job/PreCommit-HBASE-Build/10849/console | | Powered by | Apache Yetus 0.6.0 http://yetus.apache.org | This message was automatically generated. > Use Collections.emptyList() For Empty List Values > ------------------------------------------------- > > Key: HBASE-19682 > URL: https://issues.apache.org/jira/browse/HBASE-19682 > Project: HBase > Issue Type: Improvement > Components: hbase > Affects Versions: 3.0.0 > Reporter: BELUGA BEHR > Priority: Minor > Attachments: HBASE-19682.1.patch, HBASE-19682.2.patch > > > Use {{Collection.emptyList()}} for returning an empty list instead of > {{return new ArrayList<> ()}}. The default constructor creates a buffer of > size 10 for _ArrayList_ therefore, returning this static value saves on some > memory and GC pressure and saves time not having to allocate a new internally > buffer for each instantiation. -- This message was sent by Atlassian JIRA (v6.4.14#64029)