diff --git hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java index ccf2d94..4c74396 100644 --- hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java +++ hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LevelDBCacheTimelineStore.java @@ -286,6 +286,7 @@ public void remove() { } }; } + static final ObjectMapper entityMapper = new ObjectMapper(); @SuppressWarnings("unchecked") private V getEntityForKey(byte[] key) throws IOException { @@ -293,7 +294,6 @@ private V getEntityForKey(byte[] key) throws IOException { if (resultRaw == null) { return null; } - ObjectMapper entityMapper = new ObjectMapper(); return (V) entityMapper.readValue(resultRaw, TimelineEntity.class); }