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https://issues.apache.org/jira/browse/HBASE-23376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16991666#comment-16991666
]
HBase QA commented on HBASE-23376:
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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} 1m
9s{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} 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:orange}-0{color} | {color:orange} test4tests {color} | {color:orange}
0m 0s{color} | {color:orange} 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} 5m
24s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
19s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
0s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green} 5m
0s{color} | {color:green} branch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
51s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 4m
26s{color} | {color:blue} Used deprecated FindBugs config; considering
switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m
29s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m
13s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 5m
29s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 2m
0s{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} shadedjars {color} | {color:green} 5m
2s{color} | {color:green} patch has no errors when building our shaded
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green}
17m 4s{color} | {color:green} Patch does not cause any errors with Hadoop
2.8.5 2.9.2 or 3.1.2. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m
53s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m
42s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}230m 47s{color}
| {color:red} hbase-server in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 3m
37s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black}301m 35s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.5 Server=19.03.5 base:
https://builds.apache.org/job/PreCommit-HBASE-Build/1067/artifact/patchprocess/Dockerfile
|
| JIRA Issue | HBASE-23376 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12988301/HBASE-23376.master.v02.dummy.patch
|
| Optional Tests | dupname asflicense javac javadoc unit spotbugs findbugs
shadedjars hadoopcheck hbaseanti checkstyle compile |
| uname | Linux e286947ac743 4.15.0-66-generic #75-Ubuntu SMP Tue Oct 1
05:24:09 UTC 2019 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | dev-support/hbase-personality.sh |
| git revision | master / 82e155eb26 |
| Default Java | 1.8.0_181 |
| unit |
https://builds.apache.org/job/PreCommit-HBASE-Build/1067/artifact/patchprocess/patch-unit-hbase-server.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/1067/testReport/ |
| Max. process+thread count | 4578 (vs. ulimit of 10000) |
| modules | C: hbase-client hbase-server U: . |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/1067/console |
| versions | git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11 |
| Powered by | Apache Yetus 0.11.1 https://yetus.apache.org |
This message was automatically generated.
> NPE happens while replica region is moving
> ------------------------------------------
>
> Key: HBASE-23376
> URL: https://issues.apache.org/jira/browse/HBASE-23376
> Project: HBase
> Issue Type: Bug
> Components: read replicas
> Reporter: Sun Xin
> Assignee: Sun Xin
> Priority: Minor
> Attachments: HBASE-23376.branch-2.001.patch,
> HBASE-23376.master.v01.dummy.patch, HBASE-23376.master.v02.dummy.patch
>
>
> The following code is from AsyncNonMetaRegionLocator#addToCache
> {code:java}
> private RegionLocations addToCache(TableCache tableCache, RegionLocations
> locs) {
> LOG.trace("Try adding {} to cache", locs);
> byte[] startKey = locs.getDefaultRegionLocation().getRegion().getStartKey();
> ...
> }{code}
> we will get a NPE if the locs is without the default region.
>
> The following code is from
> AsyncRegionLocatorHelper#updateCachedLocationOnError
> {code:java}
> ...
> if (cause instanceof RegionMovedException) {
> RegionMovedException rme = (RegionMovedException) cause;
> HRegionLocation newLoc =
> new HRegionLocation(loc.getRegion(), rme.getServerName(),
> rme.getLocationSeqNum());
> LOG.debug("Try updating {} with the new location {} constructed by {}",
> loc, newLoc,
> rme.toString());
> addToCache.accept(newLoc);
> ...{code}
> If the replica region is moving, we will get a RegionMovedException and add
> the HRegionLocation of replica region to cache. And finally NPE happens.
>
> {code:java}
> java.lang.NullPointerExceptionjava.lang.NullPointerException at
> org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.addToCache(AsyncNonMetaRegionLocator.java:240)
> at
> org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.addLocationToCache(AsyncNonMetaRegionLocator.java:596)
> at
> org.apache.hadoop.hbase.client.AsyncRegionLocatorHelper.updateCachedLocationOnError(AsyncRegionLocatorHelper.java:80)
> at
> org.apache.hadoop.hbase.client.AsyncNonMetaRegionLocator.updateCachedLocationOnError(AsyncNonMetaRegionLocator.java:610)
> at
> org.apache.hadoop.hbase.client.AsyncRegionLocator.updateCachedLocationOnError(AsyncRegionLocator.java:153)
> {code}
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