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YARN-9744. RollingLevelDBTimelineStore.getEntityByTime fails with NPE. Contributed by Prabhu Joseph.

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This commit is contained in:
Abhishek Modi 2019-08-13 19:04:00 +05:30
parent 0b507d2ddf
commit b4097b96a3
1 changed files with 29 additions and 26 deletions
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3
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/timeline/RollingLevelDBTimelineStore.java
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@ -793,6 +793,8 @@ private TimelineEntities getEntityByTime(byte[] base, String entityType,
entity = getEntity(entityId, entityType, startTime, queryFields,
iterator, key, kp.getOffset());
}
if (entity != null) {
// determine if the retrieved entity matches the provided secondary
// filters, and if so add it to the list of entities to return
boolean filterPassed = true;
@ -829,6 +831,7 @@ private TimelineEntities getEntityByTime(byte[] base, String entityType,
}
}
}
}
db = rollingdb.getPreviousDB(db);
}
}