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Posted to issues@hive.apache.org by "Hive QA (Jira)" <ji...@apache.org> on 2020/04/25 05:39:00 UTC
[jira] [Commented] (HIVE-23295) Possible NPE when on getting
predicate literal list when dynamic values are not available
[ https://issues.apache.org/jira/browse/HIVE-23295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17092050#comment-17092050 ]
Hive QA commented on HIVE-23295:
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {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:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 10m 40s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 12s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m 23s{color} | {color:blue} storage-api in master has 51 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 11s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 12s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 12s{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} findbugs {color} | {color:green} 0m 33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 11s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 15s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 13m 36s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-21931/dev-support/hive-personality.sh |
| git revision | master / 88053b2 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| modules | C: storage-api U: storage-api |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-21931/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> Possible NPE when on getting predicate literal list when dynamic values are not available
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-23295
> URL: https://issues.apache.org/jira/browse/HIVE-23295
> Project: Hive
> Issue Type: Bug
> Components: storage-api
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-23295.1.patch
>
>
> getLiteralList() in SearchArgumentImpl$PredicateLeafImpl returns null if dynamic values are not available.
> {code:java}
> @Override
> public List<Object> getLiteralList() {
> if (literalList != null && literalList.size() > 0 && literalList.get(0) instanceof LiteralDelegate) {
> List<Object> newLiteraList = new ArrayList<Object>();
> try {
> for (Object litertalObj : literalList) {
> Object literal = ((LiteralDelegate) litertalObj).getLiteral();
> if (literal != null) {
> newLiteraList.add(literal);
> }
> }
> } catch (NoDynamicValuesException err) {
> LOG.debug("Error while retrieving literalList, returning null", err);
> return null;
> }
> return newLiteraList;
> }
> return literalList;
> } {code}
>
> There are multiple call sites where the return value is used without a null check. E.g: leaf.getLiteralList().stream().
>
> The return null was added as part of HIVE-18827 to avoid having an unimportant warning message when dynamic values have not been delivered yet.
>
> [~sershe], [~jdere], I propose return an empty list instead of null in a case like this. What do you think?
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