Jiandan Yang created MAPREDUCE-7191: ----------------------------------------
Summary: JobHistoryServer should log exception when loading/parsing history file failed Key: MAPREDUCE-7191 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7191 Project: Hadoop Map/Reduce Issue Type: Improvement Components: mrv2 Reporter: Jiandan Yang Assignee: Jiandan Yang I'm test rolling 2.7.2 to 3.2.0. RM& NM has upgrade to 3.2.0, JobHistoryServer is still 2.7.2. When submitting MR job using 3.2.0 client I found JobHistory URL could not open, and showing "Could not load history file hdfs://NameNode:8020/tmp/hadoop-yarn/staging/history3/done/2019/03/06/000000/job_1551697798944_0020****.jhist" There are only loading log just like following and no exception info in log file of JobHistoryServer. {code:java} 2019-03-06 16:24:19,489 INFO org.apache.hadoop.mapreduce.v2.hs.CompletedJob: Loading job: job_1551697798944_0020 from file: hdfs://NameNode:8020/tmp/hadoop-yarn/staging/history3/done/2019/03/06/000000/job_1551697798944_0020****.jhist 2019-03-06 16:24:19,489 INFO org.apache.hadoop.mapreduce.v2.hs.CompletedJob: Loading history file: [hdfs://NameNode:8020/tmp/hadoop-yarn/staging/history3/done/2019/03/06/000000/job_1551697798944_0020****.jhist] {code} After I add some log when loading history file failed I get following exception. 3.2.0 write jhist files using *binary* format, but 2.7.2 using *json* format. After I set mapreduce.jobhistory.jhist.format=json in 3.2.0 client configuration, I can get job info from jhs. There is still no log in Hadoop-3.2.0, I think it's very helpful to add some log to debug. Loading jhist file Exception is follows: {code:java} 2019-03-06 16:51:55,664 WARN org.apache.hadoop.mapreduce.v2.hs.CompletedJob: Could not load history file hdfs://NameNode:8020/tmp/hadoop-yarn/staging/history3/done/2019/03/06/000000/job_1551697798944_0020****.jhist java.io.IOException: Incompatible event log version: Avro-Binary at org.apache.hadoop.mapreduce.jobhistory.EventReader.<init>(EventReader.java:71) at org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.parse(JobHistoryParser.java:139) at org.apache.hadoop.mapreduce.v2.hs.CompletedJob.loadFullHistoryData(CompletedJob.java:347) at org.apache.hadoop.mapreduce.v2.hs.CompletedJob.<init>(CompletedJob.java:101) at org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager$HistoryFileInfo.loadJob(HistoryFileManager.java:450) at org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage.loadJob(CachedHistoryStorage.java:180) at org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage.access$000(CachedHistoryStorage.java:52) at org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage$1.load(CachedHistoryStorage.java:103) at org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage$1.load(CachedHistoryStorage.java:100) at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3568) at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2350) at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2313) at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2228) at com.google.common.cache.LocalCache.get(LocalCache.java:3965) at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3969) at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4829) at com.google.common.cache.LocalCache$LocalManualCache.getUnchecked(LocalCache.java:4834) at org.apache.hadoop.mapreduce.v2.hs.CachedHistoryStorage.getFullJob(CachedHistoryStorage.java:193) at org.apache.hadoop.mapreduce.v2.hs.JobHistory.getJob(JobHistory.java:217) at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.requireJob(AppController.java:381) at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.job(AppController.java:108) at org.apache.hadoop.mapreduce.v2.hs.webapp.HsController.job(HsController.java:104) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) {java} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-dev-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-dev-h...@hadoop.apache.org