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https://issues.apache.org/jira/browse/HIVE-15471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated HIVE-15471:
------------------------------------
Attachment: HIVE-15471.1.patch
Also, observed lots of objects created when accessing LLAP-UI. Attaching .1
patch.
\cc [~gopalv]
> LLAP UI: NPE when getting thread metrics
> ----------------------------------------
>
> Key: HIVE-15471
> URL: https://issues.apache.org/jira/browse/HIVE-15471
> Project: Hive
> Issue Type: Bug
> Components: llap
> Reporter: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-15471.1.patch
>
>
> When tasks are interrupted/killed in the middle of the job in LLAP,
> {{LlapDaemonExecutorMetrics.updateThreadMetrics}} could end up throwing NPE.
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hive.llap.metrics.LlapDaemonExecutorMetrics.updateThreadMetrics(LlapDaemonExecutorMetrics.java:307)
> ~[hive-llap-server-2.2.0-SNAPSHOT.jar:2.2.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.llap.metrics.LlapDaemonExecutorMetrics.getExecutorStats(LlapDaemonExecutorMetrics.java:269)
> ~[hive-llap-server-2.2.0-SNAPSHOT.jar:2.2.0-SNAPSHOT]
> at
> org.apache.hadoop.hive.llap.metrics.LlapDaemonExecutorMetrics.getMetrics(LlapDaemonExecutorMetrics.java:187)
> ~[hive-llap-server-2.2.0-SNAPSHOT.jar:2.2.0-SNAPSHOT]
> at
> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:194)
> ~[hadoop-common-2.7.1.jar:?]
> at
> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateJmxCache(MetricsSourceAdapter.java:172)
> ~[hadoop-common-2.7.1.jar:?]
> at
> org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMBeanInfo(MetricsSourceAdapter.java:151)
> ~[hadoop-common-2.7.1.jar:?]
> at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getMBeanInfo(DefaultMBeanServerInterceptor.java:1378)
> ~[?:1.8.0_77]
> at
> com.sun.jmx.mbeanserver.JmxMBeanServer.getMBeanInfo(JmxMBeanServer.java:920)
> ~[?:1.8.0_77]
> at
> org.apache.hive.http.JMXJsonServlet.listBeans(JMXJsonServlet.java:228)
> ~[hive-exec-2.2.0-SNAPSHOT.jar:2.2.0-SNAPSHOT]
> at org.apache.hive.http.JMXJsonServlet.doGet(JMXJsonServlet.java:194)
> ~[hive-exec-2.2.0-SNAPSHOT.jar:2.2.0-SNAPSHOT]
> {noformat}
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