[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2022-06-09 Thread fanshilun (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17552478#comment-17552478
 ] 

fanshilun commented on HDFS-15506:
--

Hi, [~aajisaka] I found some new java doc compilation failures in jdk11, I will 
fix it.

> [JDK 11] Fix javadoc errors in hadoop-hdfs module
> -
>
> Key: HDFS-15506
> URL: https://issues.apache.org/jira/browse/HDFS-15506
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: documentation
>Reporter: Akira Ajisaka
>Assignee: Xieming Li
>Priority: Major
>  Labels: newbie
> Fix For: 3.3.1, 3.4.0
>
> Attachments: HDFS-15506.001.patch, HDFS-15506.002.patch
>
>
> {noformat}
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:43:
>  error: self-closing element not allowed
> [ERROR]  * 
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:682:
>  error: malformed HTML
> [ERROR]* a NameNode per second. Values <= 0 disable throttling. This 
> affects
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:1780:
>  error: exception not thrown: java.io.FileNotFoundException
> [ERROR]* @throws FileNotFoundException
> [ERROR]  ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java:176:
>  error: @param name not found
> [ERROR]* @param mtime The snapshot creation time set by Time.now().
> [ERROR] ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java:2187:
>  error: exception not thrown: java.lang.Exception
> [ERROR]* @exception Exception if the filesystem does not exist.
> [ERROR] ^
> {noformat}
> Full error log: 
> https://gist.github.com/aajisaka/a0c16f0408a623e798dd7df29fbddf82
> How to reproduce the failure:
> * Remove {{true}} from pom.xml
> * Run {{mvn process-sources javadoc:javadoc-no-fork}}



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[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-10 Thread Xieming Li (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17175163#comment-17175163
 ] 

Xieming Li commented on HDFS-15506:
---

[~aajisaka], thank you for the review.

> [JDK 11] Fix javadoc errors in hadoop-hdfs module
> -
>
> Key: HDFS-15506
> URL: https://issues.apache.org/jira/browse/HDFS-15506
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: documentation
>Reporter: Akira Ajisaka
>Assignee: Xieming Li
>Priority: Major
>  Labels: newbie
> Fix For: 3.4.0
>
> Attachments: HDFS-15506.001.patch, HDFS-15506.002.patch
>
>
> {noformat}
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:43:
>  error: self-closing element not allowed
> [ERROR]  * 
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:682:
>  error: malformed HTML
> [ERROR]* a NameNode per second. Values <= 0 disable throttling. This 
> affects
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:1780:
>  error: exception not thrown: java.io.FileNotFoundException
> [ERROR]* @throws FileNotFoundException
> [ERROR]  ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java:176:
>  error: @param name not found
> [ERROR]* @param mtime The snapshot creation time set by Time.now().
> [ERROR] ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java:2187:
>  error: exception not thrown: java.lang.Exception
> [ERROR]* @exception Exception if the filesystem does not exist.
> [ERROR] ^
> {noformat}
> Full error log: 
> https://gist.github.com/aajisaka/a0c16f0408a623e798dd7df29fbddf82
> How to reproduce the failure:
> * Remove {{true}} from pom.xml
> * Run {{mvn process-sources javadoc:javadoc-no-fork}}



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[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-10 Thread Akira Ajisaka (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17175151#comment-17175151
 ] 

Akira Ajisaka commented on HDFS-15506:
--

+1, javadoc succeded after the patch: 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/48/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1.txt

> [JDK 11] Fix javadoc errors in hadoop-hdfs module
> -
>
> Key: HDFS-15506
> URL: https://issues.apache.org/jira/browse/HDFS-15506
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: documentation
>Reporter: Akira Ajisaka
>Assignee: Xieming Li
>Priority: Major
>  Labels: newbie
> Attachments: HDFS-15506.001.patch, HDFS-15506.002.patch
>
>
> {noformat}
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:43:
>  error: self-closing element not allowed
> [ERROR]  * 
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:682:
>  error: malformed HTML
> [ERROR]* a NameNode per second. Values <= 0 disable throttling. This 
> affects
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:1780:
>  error: exception not thrown: java.io.FileNotFoundException
> [ERROR]* @throws FileNotFoundException
> [ERROR]  ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java:176:
>  error: @param name not found
> [ERROR]* @param mtime The snapshot creation time set by Time.now().
> [ERROR] ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java:2187:
>  error: exception not thrown: java.lang.Exception
> [ERROR]* @exception Exception if the filesystem does not exist.
> [ERROR] ^
> {noformat}
> Full error log: 
> https://gist.github.com/aajisaka/a0c16f0408a623e798dd7df29fbddf82
> How to reproduce the failure:
> * Remove {{true}} from pom.xml
> * Run {{mvn process-sources javadoc:javadoc-no-fork}}



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[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-07 Thread Hadoop QA (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17173048#comment-17173048
 ] 

Hadoop QA commented on HDFS-15506:
--

| (x) *{color:red}-1 overall{color}* |
\\
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  1m 
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|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {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} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 
 0s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
17s{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
8s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
56s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
15m 26s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
22s{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
22s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  3m 
15s{color} | {color:blue} Used deprecated FindBugs config; considering 
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
10s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
 9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
12s{color} | {color:green} the patch passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
2s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
11s{color} | {color:green} the patch passed {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} xml {color} | {color:green}  0m  
3s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
14m  2s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
47s{color} | {color:red} 
hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 
with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 generated 2 new + 0 
unchanged - 0 fixed = 2 total (was 0) {color} |
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18s{color} | {color:green} the patch passed with JDK Private 
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m 
13s{color} | {color:green} the patch passed 

[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-06 Thread Xieming Li (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17172444#comment-17172444
 ] 

Xieming Li commented on HDFS-15506:
---

This is a javadoc fix, therefore, "test4tests" and "unit" error are irrelevant 
to this patch.

"javadoc" error is also not relevant because errors are generated on an 
unmodified file(TopMetrics.java).

I have uploaded [^HDFS-15506.002.patch] to fix that "checkstyle" problem.

Thaank you for your time.

> [JDK 11] Fix javadoc errors in hadoop-hdfs module
> -
>
> Key: HDFS-15506
> URL: https://issues.apache.org/jira/browse/HDFS-15506
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: documentation
>Reporter: Akira Ajisaka
>Assignee: Xieming Li
>Priority: Major
>  Labels: newbie
> Attachments: HDFS-15506.001.patch, HDFS-15506.002.patch
>
>
> {noformat}
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:43:
>  error: self-closing element not allowed
> [ERROR]  * 
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:682:
>  error: malformed HTML
> [ERROR]* a NameNode per second. Values <= 0 disable throttling. This 
> affects
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:1780:
>  error: exception not thrown: java.io.FileNotFoundException
> [ERROR]* @throws FileNotFoundException
> [ERROR]  ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java:176:
>  error: @param name not found
> [ERROR]* @param mtime The snapshot creation time set by Time.now().
> [ERROR] ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java:2187:
>  error: exception not thrown: java.lang.Exception
> [ERROR]* @exception Exception if the filesystem does not exist.
> [ERROR] ^
> {noformat}
> Full error log: 
> https://gist.github.com/aajisaka/a0c16f0408a623e798dd7df29fbddf82
> How to reproduce the failure:
> * Remove {{true}} from pom.xml
> * Run {{mvn process-sources javadoc:javadoc-no-fork}}



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[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-06 Thread Hadoop QA (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17172159#comment-17172159
 ] 

Hadoop QA commented on HDFS-15506:
--

| (x) *{color:red}-1 overall{color}* |
\\
\\
|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
58s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green}  0m  
0s{color} | {color:green} No case conflicting files found. {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} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 20m 
30s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
22s{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
15s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
58s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
20s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
18m 35s{color} | {color:green} branch has no errors when building and testing 
our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
22s{color} | {color:green} trunk passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
25s{color} | {color:green} trunk passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue}  3m  
3s{color} | {color:blue} Used deprecated FindBugs config; considering switching 
to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  3m  
1s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
13s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed with JDK 
Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m 
15s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
8s{color} | {color:green} the patch passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
8s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 53s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 1 new + 692 unchanged - 0 fixed = 693 total (was 692) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  1m 
11s{color} | {color:green} the patch passed {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} xml {color} | {color:green}  0m  
1s{color} | {color:green} The patch has no ill-formed XML file. {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 
16m 34s{color} | {color:green} patch has no errors when building and testing 
our client artifacts. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
51s{color} | {color:red} 
hadoop-hdfs-project_hadoop-hdfs-jdkUbuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 
with JDK Ubuntu-11.0.8+10-post-Ubuntu-0ubuntu118.04.1 generated 2 new + 0 
unchanged - 0 fixed = 2 total (was 0) {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m 
23s{color} | {color:green} the patch passed with JDK Private 
Build-1.8.0_252-8u252-b09-1~18.04-b09 {color} |
| {color:green}+1{color} | 

[jira] [Commented] (HDFS-15506) [JDK 11] Fix javadoc errors in hadoop-hdfs module

2020-08-05 Thread Xieming Li (Jira)


[ 
https://issues.apache.org/jira/browse/HDFS-15506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17171505#comment-17171505
 ] 

Xieming Li commented on HDFS-15506:
---

Hi, [~aajisaka]
Thank you for reporting.
I have uploaded a patch which has been tested in my local env.
https://gist.github.com/risyomei/68055591dc7be0dbb55d3e1d3c963cff


> [JDK 11] Fix javadoc errors in hadoop-hdfs module
> -
>
> Key: HDFS-15506
> URL: https://issues.apache.org/jira/browse/HDFS-15506
> Project: Hadoop HDFS
>  Issue Type: Bug
>  Components: documentation
>Reporter: Akira Ajisaka
>Assignee: Xieming Li
>Priority: Major
>  Labels: newbie
> Attachments: HDFS-15506.001.patch
>
>
> {noformat}
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeAdminDefaultMonitor.java:43:
>  error: self-closing element not allowed
> [ERROR]  * 
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java:682:
>  error: malformed HTML
> [ERROR]* a NameNode per second. Values <= 0 disable throttling. This 
> affects
> [ERROR]^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java:1780:
>  error: exception not thrown: java.io.FileNotFoundException
> [ERROR]* @throws FileNotFoundException
> [ERROR]  ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/DirectorySnapshottableFeature.java:176:
>  error: @param name not found
> [ERROR]* @param mtime The snapshot creation time set by Time.now().
> [ERROR] ^
> [ERROR] 
> /Users/aajisaka/git/hadoop/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java:2187:
>  error: exception not thrown: java.lang.Exception
> [ERROR]* @exception Exception if the filesystem does not exist.
> [ERROR] ^
> {noformat}
> Full error log: 
> https://gist.github.com/aajisaka/a0c16f0408a623e798dd7df29fbddf82
> How to reproduce the failure:
> * Remove {{true}} from pom.xml
> * Run {{mvn process-sources javadoc:javadoc-no-fork}}



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