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https://issues.apache.org/jira/browse/HBASE-20571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16477968#comment-16477968
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Hudson commented on HBASE-20571:
--------------------------------
SUCCESS: Integrated in Jenkins build HBase-1.3-IT #407 (See
[https://builds.apache.org/job/HBase-1.3-IT/407/])
HBASE-20571 JMXJsonServlet generates invalid JSON if it has NaN in (apurtell:
rev 2ea2eedda86eea9db5797cf2444f56ddb5e8b168)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/util/JSONBean.java
* (edit)
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CacheStats.java
> JMXJsonServlet generates invalid JSON if it has NaN in metrics
> --------------------------------------------------------------
>
> Key: HBASE-20571
> URL: https://issues.apache.org/jira/browse/HBASE-20571
> Project: HBase
> Issue Type: Bug
> Components: UI
> Reporter: Balazs Meszaros
> Assignee: Balazs Meszaros
> Priority: Major
> Fix For: 3.0.0, 2.1.0, 1.5.0, 1.3.3, 2.0.1, 1.4.5
>
> Attachments: HBASE-20571.branch-1.003.patch,
> HBASE-20571.branch-1.004.patch, HBASE-20571.branch-2.0.001.patch,
> HBASE-20571.branch-2.0.002.patch, HBASE-20571.branch-2.0.002.patch,
> HBASE-20571.branch-2.0.003.patch
>
>
> {{/jmx}} servlet responses invalid JSON, if some metrics are NaN:
> {code}
> "l1CacheHitCount" : 0,
> "l1CacheMissCount" : 0,
> "l1CacheHitRatio" : NaN,
> "l1CacheMissRatio" : NaN,
> "l2CacheHitCount" : 0,
> "l2CacheMissCount" : 0,
> "l2CacheHitRatio" : 0.0,
> "l2CacheMissRatio" : 0.0,
> {code}
> NaN is an invalid character sequence in JSON. We should not response NaN in
> metrics.
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