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https://issues.apache.org/jira/browse/HBASE-21174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16612212#comment-16612212
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Hudson commented on HBASE-21174:
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Results for branch master
[build #487 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/487/]: (x)
*{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
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report|https://builds.apache.org/job/HBase%20Nightly/job/master/487//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/master/487//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> [REST] Failed to parse empty qualifier in TableResource#getScanResource
> -----------------------------------------------------------------------
>
> Key: HBASE-21174
> URL: https://issues.apache.org/jira/browse/HBASE-21174
> Project: HBase
> Issue Type: Bug
> Components: REST
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Guangxu Cheng
> Assignee: Guangxu Cheng
> Priority: Major
> Attachments: HBASE-21174.master.001.patch,
> HBASE-21174.master.002.patch
>
>
> {code:xml}
> GET /t1/*?column=f:c1&column=f:
> {code}
> If I want to get the values of 'f:'(empty qualifier) for all rows in the
> table by rest server, I will send the above request. However, this request
> will return all column values.
> {code:java|title=TableResource#getScanResource|borderStyle=solid}
> for (String csplit : column) {
> String[] familysplit = csplit.trim().split(":");
> if (familysplit.length == 2) {
> if (familysplit[1].length() > 0) {
> if (LOG.isTraceEnabled()) {
> LOG.trace("Scan family and column : " + familysplit[0] + " " +
> familysplit[1]);
> }
> tableScan.addColumn(Bytes.toBytes(familysplit[0]),
> Bytes.toBytes(familysplit[1]));
> } else {
> tableScan.addFamily(Bytes.toBytes(familysplit[0]));
> if (LOG.isTraceEnabled()) {
> LOG.trace("Scan family : " + familysplit[0] + " and empty
> qualifier.");
> }
> tableScan.addColumn(Bytes.toBytes(familysplit[0]), null);
> }
> } else if (StringUtils.isNotEmpty(familysplit[0])) {
> if (LOG.isTraceEnabled()) {
> LOG.trace("Scan family : " + familysplit[0]);
> }
> tableScan.addFamily(Bytes.toBytes(familysplit[0]));
> }
> }
> {code}
> Through the above code, when the column has an empty qualifier, the empty
> qualifier cannot be parsed correctly.In other words, 'f:'(empty qualifier)
> and 'f' (column family) are considered to have the same meaning, which is
> wrong.
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