Rajesh Balamohan created HIVE-15471:
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Summary: 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
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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