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https://issues.apache.org/jira/browse/HDFS-12862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16287285#comment-16287285
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genericqa commented on HDFS-12862:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 10m 
44s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:brown} branch-2.7.1 Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  2m  
2s{color} | {color:red} root in branch-2.7.1 failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
15s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed with JDK 
v1.8.0_151. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
11s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed with JDK 
v9-internal. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
32s{color} | {color:green} branch-2.7.1 passed {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
17s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m  
9s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
10s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed with JDK 
v1.8.0_151. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m 
10s{color} | {color:red} hadoop-hdfs in branch-2.7.1 failed with JDK 
v9-internal. {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m  
9s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m  
8s{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_151. 
{color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m  8s{color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_151. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m  
9s{color} | {color:red} hadoop-hdfs in the patch failed with JDK v9-internal. 
{color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m  9s{color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v9-internal. {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}  
0m 21s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch 
generated 1 new + 1 unchanged - 0 fixed = 2 total (was 1) {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 
10s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red}  0m  
0s{color} | {color:red} The patch has 60 line(s) that end in whitespace. Use 
git apply --whitespace=fix <<patch_file>>. Refer 
https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m  
8s{color} | {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m  
8s{color} | {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_151. 
{color} |
| {color:red}-1{color} | {color:red} javadoc {color} | {color:red}  0m  
9s{color} | {color:red} hadoop-hdfs in the patch failed with JDK v9-internal. 
{color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 10s{color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v9-internal. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
23s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 23m  3s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce 
Image:yetus/hadoop:date2017-12-12 |
| JIRA Issue | HDFS-12862 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12901618/HDFS-12862-branch-2.7.1.001.patch
 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  shadedclient  findbugs  checkstyle  |
| uname | Linux c587dfea9a13 3.13.0-135-generic #184-Ubuntu SMP Wed Oct 18 
11:55:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2.7.1 / a4c8829 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 9-internal |
| Multi-JDK versions |  /usr/lib/jvm/java-8-openjdk-amd64:1.8.0_151 
/usr/lib/jvm/java-9-openjdk-amd64:9-internal |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-mvninstall-root.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_151.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_151.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/branch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| mvninstall | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-mvninstall-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_151.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_151.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-compile-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| mvnsite | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-mvnsite-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| whitespace | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/whitespace-eol.txt
 |
| findbugs | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-findbugs-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_151.txt
 |
| javadoc | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-javadoc-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk9-internal.txt
 |
| JDK v9-internal  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/testReport/ |
| Max. process+thread count | 123 (vs. ulimit of 5000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/22364/console |
| Powered by | Apache Yetus 0.7.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> CacheDirective may invalidata,when NN restart or make a transition to Active.
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-12862
>                 URL: https://issues.apache.org/jira/browse/HDFS-12862
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: caching, hdfs
>    Affects Versions: 2.7.1
>         Environment: 
>            Reporter: Wang XL
>              Labels: patch
>         Attachments: HDFS-12862-branch-2.7.1.001.patch
>
>
> The logic in FSNDNCacheOp#modifyCacheDirective is not correct.  when modify 
> cacheDirective,the expiration in directive may be a relative expiryTime, and 
> EditLog will serial a relative expiry time.
> {code:java}
> // Some comments here
> static void modifyCacheDirective(
>       FSNamesystem fsn, CacheManager cacheManager, CacheDirectiveInfo 
> directive,
>       EnumSet<CacheFlag> flags, boolean logRetryCache) throws IOException {
>     final FSPermissionChecker pc = getFsPermissionChecker(fsn);
>     cacheManager.modifyDirective(directive, pc, flags);
>     fsn.getEditLog().logModifyCacheDirectiveInfo(directive, logRetryCache);
>   }
> {code}
> But when SBN replay the log ,it will invoke 
> FSImageSerialization#readCacheDirectiveInfo  as a absolute expiryTime.It will 
> result in the inconsistency .
> {code:java}
>   public static CacheDirectiveInfo readCacheDirectiveInfo(DataInput in)
>       throws IOException {
>     CacheDirectiveInfo.Builder builder =
>         new CacheDirectiveInfo.Builder();
>     builder.setId(readLong(in));
>     int flags = in.readInt();
>     if ((flags & 0x1) != 0) {
>       builder.setPath(new Path(readString(in)));
>     }
>     if ((flags & 0x2) != 0) {
>       builder.setReplication(readShort(in));
>     }
>     if ((flags & 0x4) != 0) {
>       builder.setPool(readString(in));
>     }
>     if ((flags & 0x8) != 0) {
>       builder.setExpiration(
>           CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)));
>     }
>     if ((flags & ~0xF) != 0) {
>       throw new IOException("unknown flags set in " +
>           "ModifyCacheDirectiveInfoOp: " + flags);
>     }
>     return builder.build();
>   }
> {code}
> In other words, fsn.getEditLog().logModifyCacheDirectiveInfo(directive, 
> logRetryCache)  may serial a relative expiry time,But  
> builder.setExpiration(CacheDirectiveInfo.Expiration.newAbsolute(readLong(in)))
>    read it as a absolute expiryTime.



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