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https://issues.apache.org/jira/browse/HDFS-9670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15240729#comment-15240729
]
Hadoop QA commented on HDFS-9670:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 10s
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s {color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m
22s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s
{color} | {color:green} trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 17s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 23s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
31s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s
{color} | {color:green} trunk passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
17s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 12s
{color} | {color:green} the patch passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 12s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 14s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 14s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
10s {color} | {color:green} hadoop-tools/hadoop-distcp: patch generated 0 new +
18 unchanged - 1 fixed = 18 total (was 19) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 19s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
10s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m
34s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 9s
{color} | {color:green} the patch passed with JDK v1.8.0_77 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 8m 21s
{color} | {color:green} hadoop-distcp in the patch passed with JDK v1.8.0_77.
{color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 20s
{color} | {color:green} hadoop-distcp in the patch passed with JDK v1.7.0_95.
{color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
28s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 29m 14s {color}
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12798664/HDFS-9670.001.patch |
| JIRA Issue | HDFS-9670 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 282fa29c44ac 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 27b131e |
| Default Java | 1.7.0_95 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_77
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| JDK v1.7.0_95 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/15161/testReport/ |
| modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/15161/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> DistCp throws NPE when source is root
> -------------------------------------
>
> Key: HDFS-9670
> URL: https://issues.apache.org/jira/browse/HDFS-9670
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: distcp
> Affects Versions: 2.6.0
> Reporter: Yongjun Zhang
> Assignee: John Zhuge
> Labels: supportability
> Fix For: 2.8.0
>
> Attachments: HDFS-9670.001.patch
>
>
> Symptom:
> {quote}
> [root@vb0724 ~]# hadoop distcp hdfs://X:8020/ hdfs://Y:8020/
> 16/01/20 11:33:33 INFO tools.DistCp: Input Options:
> DistCpOptions{atomicCommit=false, syncFolder=false, deleteMissing=false,
> ignoreFailures=false, maxMaps=20, sslConfigurationFile='null',
> copyStrategy='uniformsize', sourceFileListing=null,
> sourcePaths=[hdfs://X:8020/], targetPath=hdfs://Y:8020/,
> targetPathExists=true, preserveRawXattrs=false, filtersFile='null'}
> 16/01/20 11:33:33 INFO client.RMProxy: Connecting to ResourceManager at Z:8032
> 16/01/20 11:33:33 ERROR tools.DistCp: Exception encountered
> java.lang.NullPointerException
> at
> org.apache.hadoop.tools.util.DistCpUtils.getRelativePath(DistCpUtils.java:144)
> at
> org.apache.hadoop.tools.SimpleCopyListing.writeToFileListing(SimpleCopyListing.java:598)
> at
> org.apache.hadoop.tools.SimpleCopyListing.writeToFileListingRoot(SimpleCopyListing.java:583)
> at
> org.apache.hadoop.tools.SimpleCopyListing.doBuildListing(SimpleCopyListing.java:313)
> at
> org.apache.hadoop.tools.SimpleCopyListing.doBuildListing(SimpleCopyListing.java:174)
> at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:86)
> at
> org.apache.hadoop.tools.GlobbedCopyListing.doBuildListing(GlobbedCopyListing.java:90)
> at org.apache.hadoop.tools.CopyListing.buildListing(CopyListing.java:86)
> at org.apache.hadoop.tools.DistCp.createInputFileListing(DistCp.java:365)
> at org.apache.hadoop.tools.DistCp.execute(DistCp.java:171)
> at org.apache.hadoop.tools.DistCp.run(DistCp.java:122)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at org.apache.hadoop.tools.DistCp.main(DistCp.java:429)
> {quote}
> Relevant code:
> {code}
> private Path computeSourceRootPath(FileStatus sourceStatus,
> DistCpOptions options) throws
> IOException {
> Path target = options.getTargetPath();
> FileSystem targetFS = target.getFileSystem(getConf());
> final boolean targetPathExists = options.getTargetPathExists();
> boolean solitaryFile = options.getSourcePaths().size() == 1
> &&
> !sourceStatus.isDirectory();
> if (solitaryFile) {
> if (targetFS.isFile(target) || !targetPathExists) {
> return sourceStatus.getPath();
> } else {
> return sourceStatus.getPath().getParent();
> }
> } else {
> boolean specialHandling = (options.getSourcePaths().size() == 1 &&
> !targetPathExists) ||
> options.shouldSyncFolder() || options.shouldOverwrite();
> return specialHandling && sourceStatus.isDirectory() ?
> sourceStatus.getPath() :
> sourceStatus.getPath().getParent();
> }
> }
> {code}
> We can see that it could return NULL at the end when doing
> {{sourceStatus.getPath().getParent()}}
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