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https://issues.apache.org/jira/browse/HBASE-27038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17551261#comment-17551261
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Hudson commented on HBASE-27038:
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Results for branch branch-2.5
[build #136 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/136/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/136/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/136/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/136/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.5/136/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> CellComparator should extend Serializable
> -----------------------------------------
>
> Key: HBASE-27038
> URL: https://issues.apache.org/jira/browse/HBASE-27038
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0-alpha-2, 2.4.12
> Reporter: Bryan Beaudreault
> Assignee: Bryan Beaudreault
> Priority: Minor
> Fix For: 2.5.0, 3.0.0-alpha-3, 2.4.13
>
>
> Prior to HBASE-18945, CellComparator was a class which implemented
> Serializable. In that jira, an interface was extracted with the intent of
> making the implementation IA.Private. This broke some downstream consumers,
> so the new CellComparator interface was made IA.Public in HBASE-19160.
> One remaining breakage from that change is that if someone is using
> CellComparator in spark it will fails because it's not serializable.
> Everything in spark needs to be serializable, and the old CellComprator class
> used to extend Serializable. There was some small discussion in HBASE-18945
> about removing Serializable, but I don't think anyone thought of this
> use-case.
> The failure is:
> Job aborted due to stage failure: Task not serializable:
> java.io.NotSerializableException: org.apache.hadoop.hbase.CellComparatorImpl
> We should make CellComparator extend Serializable, or have CellComparatorImpl
> implement it.
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