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我是 Hadoop 新手,需要将 Hadoop 数据存储到 MongoDB 中。这里我使用 Pig 将 Hadoop 中的数据存储到 MongoDB 中。
我下载并注册了以下驱动程序,以便在给定命令的帮助下在 Pig Grunt shell 中执行此操作,
REGISTER /home/miracle/Downloads/mongo-hadoop-pig-2.0.2.jar
REGISTER /home/miracle/Downloads/mongo-java-driver-3.4.2.jar
REGISTER /home/miracle/Downloads/mongo-hadoop-core-2.0.2.jar
在此之后,我使用以下命令成功地从 MongoDB 获取了数据。
raw = LOAD 'mongodb://localhost:27017/pavan.pavan.in' USING com.mongodb.hadoop.pig.MongoLoader;
然后我尝试了以下命令将 pig 包中的数据插入到MongoDB中并成功了。
STORE student INTO 'mongodb://localhost:27017/pavan.persons_info' USING com.mongodb.hadoop.pig.MongoInsertStorage('','');
然后我尝试使用以下命令更新 Mongo。
STORE student INTO 'mongodb://localhost:27017/pavan.persons_info1' USING com.mongodb.hadoop.pig.MongoUpdateStorage(' ','{first:"\$firstname", last:"\$lastname", phone:"\$phone", city:"\$city"}','firstname: chararray,lastname: chararray,phone: chararray,city: chararray');
但是在执行上述命令时出现以下错误。
2017-03-22 11:16:42,516 [main] INFO org.apache.hadoop.conf.Configuration.deprecation - fs.default.name is deprecated. Instead, use fs.defaultFS
2017-03-22 11:16:43,064 [main] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: ; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:43,180 [main] INFO org.apache.pig.tools.pigstats.ScriptState - Pig features used in the script: UNKNOWN
2017-03-22 11:16:43,306 [main] INFO org.apache.hadoop.conf.Configuration.deprecation - fs.default.name is deprecated. Instead, use fs.defaultFS
2017-03-22 11:16:43,308 [main] WARN org.apache.pig.data.SchemaTupleBackend - SchemaTupleBackend has already been initialized
2017-03-22 11:16:43,309 [main] INFO org.apache.pig.newplan.logical.optimizer.LogicalPlanOptimizer - {RULES_ENABLED=[AddForEach, ColumnMapKeyPrune, ConstantCalculator, GroupByConstParallelSetter, LimitOptimizer, LoadTypeCastInserter, MergeFilter, MergeForEach, PartitionFilterOptimizer, PredicatePushdownOptimizer, PushDownForEachFlatten, PushUpFilter, SplitFilter, StreamTypeCastInserter]}
2017-03-22 11:16:43,310 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler - File concatenation threshold: 100 optimistic? false
2017-03-22 11:16:43,314 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size before optimization: 1
2017-03-22 11:16:43,314 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer - MR plan size after optimization: 1
2017-03-22 11:16:43,415 [main] INFO org.apache.hadoop.conf.Configuration.deprecation - fs.default.name is deprecated. Instead, use fs.defaultFS
2017-03-22 11:16:43,419 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Cannot initialize JVM Metrics with processName=JobTracker, sessionId= - already initialized
2017-03-22 11:16:43,423 [main] INFO org.apache.pig.tools.pigstats.mapreduce.MRScriptState - Pig script settings are added to the job
2017-03-22 11:16:43,425 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - mapred.job.reduce.markreset.buffer.percent is not set, set to default 0.3
2017-03-22 11:16:43,438 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - This job cannot be converted run in-process
2017-03-22 11:16:43,603 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/home/miracle/Downloads/mongo-java-driver-3.0.4.jar to DistributedCache through /tmp/temp159471787/tmp643027494/mongo-java-driver-3.0.4.jar
2017-03-22 11:16:43,687 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/home/miracle/Downloads/mongo-hadoop-core-2.0.2.jar to DistributedCache through /tmp/temp159471787/tmp-1745369112/mongo-hadoop-core-2.0.2.jar
2017-03-22 11:16:43,822 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/home/miracle/Downloads/mongo-hadoop-pig-2.0.2.jar to DistributedCache through /tmp/temp159471787/tmp116725398/mongo-hadoop-pig-2.0.2.jar
2017-03-22 11:16:44,693 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/usr/local/pig/pig-0.16.0/pig-0.16.0-core-h2.jar to DistributedCache through /tmp/temp159471787/tmp499355324/pig-0.16.0-core-h2.jar
2017-03-22 11:16:44,762 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/usr/local/pig/pig-0.16.0/lib/automaton-1.11-8.jar to DistributedCache through /tmp/temp159471787/tmp413788756/automaton-1.11-8.jar
2017-03-22 11:16:44,830 [DataStreamer for file /tmp/temp159471787/tmp-380031198/antlr-runtime-3.4.jar block BP-1303579226-127.0.1.1-1489750707340:blk_1073742392_1568] WARN org.apache.hadoop.hdfs.DFSClient - Caught exception
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Thread.join(Thread.java:1249)
at java.lang.Thread.join(Thread.java:1323)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.closeResponder(DFSOutputStream.java:609)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.closeInternal(DFSOutputStream.java:577)
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:573)
2017-03-22 11:16:44,856 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/usr/local/pig/pig-0.16.0/lib/antlr-runtime-3.4.jar to DistributedCache through /tmp/temp159471787/tmp-380031198/antlr-runtime-3.4.jar
2017-03-22 11:16:44,960 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Added jar file:/usr/local/pig/pig-0.16.0/lib/joda-time-2.9.3.jar to DistributedCache through /tmp/temp159471787/tmp1163422388/joda-time-2.9.3.jar
2017-03-22 11:16:44,996 [main] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: ; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:45,004 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler - Setting up single store job
2017-03-22 11:16:45,147 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 1 map-reduce job(s) waiting for submission.
2017-03-22 11:16:45,166 [JobControl] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Cannot initialize JVM Metrics with processName=JobTracker, sessionId= - already initialized
2017-03-22 11:16:45,253 [JobControl] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: ; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:45,318 [JobControl] WARN org.apache.hadoop.mapreduce.JobResourceUploader - No job jar file set. User classes may not be found. See Job or Job#setJar(String).
2017-03-22 11:16:45,572 [JobControl] INFO org.apache.pig.builtin.PigStorage - Using PigTextInputFormat
2017-03-22 11:16:45,579 [JobControl] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - Total input paths to process : 1
2017-03-22 11:16:45,581 [JobControl] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths to process : 1
2017-03-22 11:16:45,593 [JobControl] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - Total input paths (combined) to process : 1
2017-03-22 11:16:45,690 [JobControl] INFO org.apache.hadoop.mapreduce.JobSubmitter - number of splits:1
2017-03-22 11:16:45,884 [JobControl] INFO org.apache.hadoop.mapreduce.JobSubmitter - Submitting tokens for job: job_local1070093788_0006
2017-03-22 11:16:47,476 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606120/mongo-java-driver-3.0.4.jar <- /home/miracle/mongo-java-driver-3.0.4.jar
2017-03-22 11:16:47,534 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp643027494/mongo-java-driver-3.0.4.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606120/mongo-java-driver-3.0.4.jar
2017-03-22 11:16:47,534 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606121/mongo-hadoop-core-2.0.2.jar <- /home/miracle/mongo-hadoop-core-2.0.2.jar
2017-03-22 11:16:47,674 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp-1745369112/mongo-hadoop-core-2.0.2.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606121/mongo-hadoop-core-2.0.2.jar
2017-03-22 11:16:48,194 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606122/mongo-hadoop-pig-2.0.2.jar <- /home/miracle/mongo-hadoop-pig-2.0.2.jar
2017-03-22 11:16:48,201 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp116725398/mongo-hadoop-pig-2.0.2.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606122/mongo-hadoop-pig-2.0.2.jar
2017-03-22 11:16:48,329 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606123/pig-0.16.0-core-h2.jar <- /home/miracle/pig-0.16.0-core-h2.jar
2017-03-22 11:16:48,337 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp499355324/pig-0.16.0-core-h2.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606123/pig-0.16.0-core-h2.jar
2017-03-22 11:16:48,338 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606124/automaton-1.11-8.jar <- /home/miracle/automaton-1.11-8.jar
2017-03-22 11:16:48,370 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp413788756/automaton-1.11-8.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606124/automaton-1.11-8.jar
2017-03-22 11:16:48,371 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606125/antlr-runtime-3.4.jar <- /home/miracle/antlr-runtime-3.4.jar
2017-03-22 11:16:48,384 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp-380031198/antlr-runtime-3.4.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606125/antlr-runtime-3.4.jar
2017-03-22 11:16:48,389 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Creating symlink: /tmp/hadoop-miracle/mapred/local/1490206606126/joda-time-2.9.3.jar <- /home/miracle/joda-time-2.9.3.jar
2017-03-22 11:16:48,409 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - Localized hdfs://localhost:9000/tmp/temp159471787/tmp1163422388/joda-time-2.9.3.jar as file:/tmp/hadoop-miracle/mapred/local/1490206606126/joda-time-2.9.3.jar
2017-03-22 11:16:48,798 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606120/mongo-java-driver-3.0.4.jar
2017-03-22 11:16:48,803 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606121/mongo-hadoop-core-2.0.2.jar
2017-03-22 11:16:48,803 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606122/mongo-hadoop-pig-2.0.2.jar
2017-03-22 11:16:48,804 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606123/pig-0.16.0-core-h2.jar
2017-03-22 11:16:48,806 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606124/automaton-1.11-8.jar
2017-03-22 11:16:48,807 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606125/antlr-runtime-3.4.jar
2017-03-22 11:16:48,807 [JobControl] INFO org.apache.hadoop.mapred.LocalDistributedCacheManager - file:/tmp/hadoop-miracle/mapred/local/1490206606126/joda-time-2.9.3.jar
2017-03-22 11:16:48,807 [JobControl] INFO org.apache.hadoop.mapreduce.Job - The url to track the job: http://localhost:8080/
2017-03-22 11:16:48,809 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - HadoopJobId: job_local1070093788_0006
2017-03-22 11:16:48,812 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Processing aliases student1
2017-03-22 11:16:48,812 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - detailed locations: M: student1[7,11] C: R:
2017-03-22 11:16:48,889 [Thread-455] INFO org.apache.hadoop.mapred.LocalJobRunner - OutputCommitter set in config null
2017-03-22 11:16:48,915 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 0% complete
2017-03-22 11:16:48,915 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Running jobs are [job_local1070093788_0006]
2017-03-22 11:16:48,999 [Thread-455] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: ; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:49,011 [Thread-455] INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.job.tracker is deprecated. Instead, use mapreduce.jobtracker.address
2017-03-22 11:16:49,013 [Thread-455] INFO org.apache.hadoop.conf.Configuration.deprecation - mapred.job.reduce.markreset.buffer.percent is deprecated. Instead, use mapreduce.reduce.markreset.buffer.percent
2017-03-22 11:16:49,013 [Thread-455] INFO org.apache.hadoop.conf.Configuration.deprecation - fs.default.name is deprecated. Instead, use fs.defaultFS
2017-03-22 11:16:49,054 [Thread-455] INFO org.apache.hadoop.mapred.LocalJobRunner - OutputCommitter is org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputCommitter
2017-03-22 11:16:49,094 [Thread-455] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-miracle/mapred/local/localRunner/miracle/job_local1070093788_0006/job_local1070093788_0006.xml; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:49,104 [Thread-455] INFO com.mongodb.hadoop.output.MongoOutputCommitter - Setting up job.
2017-03-22 11:16:49,126 [Thread-455] INFO org.apache.hadoop.mapred.LocalJobRunner - Waiting for map tasks
2017-03-22 11:16:49,127 [LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.mapred.LocalJobRunner - Starting task: attempt_local1070093788_0006_m_000000_0
2017-03-22 11:16:49,253 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-miracle/mapred/local/localRunner/miracle/job_local1070093788_0006/job_local1070093788_0006.xml; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:49,279 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-miracle/mapred/local/localRunner/miracle/job_local1070093788_0006/job_local1070093788_0006.xml; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:49,290 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.output.MongoOutputCommitter - Setting up task.
2017-03-22 11:16:49,296 [LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.mapred.Task - Using ResourceCalculatorProcessTree : [ ]
2017-03-22 11:16:49,340 [LocalJobRunner Map Task Executor #0] INFO org.apache.hadoop.mapred.MapTask - Processing split: Number of splits :1
Total Length = 212
Input split[0]:
Length = 212
ClassName: org.apache.hadoop.mapreduce.lib.input.FileSplit
Locations:
-----------------------
2017-03-22 11:16:49,415 [LocalJobRunner Map Task Executor #0] INFO org.apache.pig.builtin.PigStorage - Using PigTextInputFormat
2017-03-22 11:16:49,417 [LocalJobRunner Map Task Executor #0] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader - Current split being processed hdfs://localhost:9000/input/student_dir/student_Info.txt:0+212
2017-03-22 11:16:49,459 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-miracle/mapred/local/localRunner/miracle/job_local1070093788_0006/job_local1070093788_0006.xml; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:49,684 [LocalJobRunner Map Task Executor #0] INFO org.mongodb.driver.cluster - Cluster created with settings {hosts=[localhost:27017], mode=SINGLE, requiredClusterType=UNKNOWN, serverSelectionTimeout='30000 ms', maxWaitQueueSize=500}
2017-03-22 11:16:50,484 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.output.MongoRecordWriter - Writing to temporary file: /tmp/hadoop-miracle/attempt_local1070093788_0006_m_000000_0/_MONGO_OUT_TEMP/_out
2017-03-22 11:16:50,516 [LocalJobRunner Map Task Executor #0] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Preparing to write to com.mongodb.hadoop.output.MongoRecordWriter@1fd6ae6
2017-03-22 11:16:50,736 [LocalJobRunner Map Task Executor #0] INFO org.apache.pig.impl.util.SpillableMemoryManager - Selected heap (Tenured Gen) of size 699072512 to monitor. collectionUsageThreshold = 489350752, usageThreshold = 489350752
2017-03-22 11:16:50,739 [LocalJobRunner Map Task Executor #0] WARN org.apache.pig.data.SchemaTupleBackend - SchemaTupleBackend has already been initialized
2017-03-22 11:16:50,746 [LocalJobRunner Map Task Executor #0] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map - Aliases being processed per job phase (AliasName[line,offset]): M: student1[7,11] C: R:
2017-03-22 11:16:50,880 [Thread-455] INFO org.apache.hadoop.mapred.LocalJobRunner - map task executor complete.
2017-03-22 11:16:50,919 [Thread-455] INFO com.mongodb.hadoop.pig.MongoUpdateStorage - Store location config: Configuration: core-default.xml, core-site.xml, mapred-default.xml, mapred-site.xml, yarn-default.xml, yarn-site.xml, hdfs-default.xml, hdfs-site.xml, file:/tmp/hadoop-miracle/mapred/local/localRunner/miracle/job_local1070093788_0006/job_local1070093788_0006.xml; for namespace: pavan.persons_info1; hosts: [localhost:27017]
2017-03-22 11:16:50,963 [Thread-455] WARN org.apache.hadoop.mapred.LocalJobRunner - job_local1070093788_0006
java.lang.Exception: java.io.IOException: java.io.IOException: Couldn't convert tuple to bson:
at org.apache.hadoop.mapred.LocalJobRunner$Job.runTasks(LocalJobRunner.java:462)
at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:522)
Caused by: java.io.IOException: java.io.IOException: Couldn't convert tuple to bson:
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.StoreFuncDecorator.putNext(StoreFuncDecorator.java:83)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:144)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigOutputFormat$PigRecordWriter.write(PigOutputFormat.java:97)
at org.apache.hadoop.mapred.MapTask$NewDirectOutputCollector.write(MapTask.java:658)
at org.apache.hadoop.mapreduce.task.TaskInputOutputContextImpl.write(TaskInputOutputContextImpl.java:89)
at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.write(WrappedMapper.java:112)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapOnly$Map.collect(PigMapOnly.java:48)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:261)
at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase.map(PigGenericMapBase.java:65)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:787)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:243)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.IOException: Couldn't convert tuple to bson:
at com.mongodb.hadoop.pig.MongoUpdateStorage.putNext(MongoUpdateStorage.java:165)
at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.StoreFuncDecorator.putNext(StoreFuncDecorator.java:75)
... 17 more
Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at org.apache.pig.data.DefaultTuple.get(DefaultTuple.java:117)
at com.mongodb.hadoop.pig.JSONPigReplace.substitute(JSONPigReplace.java:120)
at com.mongodb.hadoop.pig.MongoUpdateStorage.putNext(MongoUpdateStorage.java:142)
... 18 more
2017-03-22 11:16:53,944 [main] WARN org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Ooops! Some job has failed! Specify -stop_on_failure if you want Pig to stop immediately on failure.
2017-03-22 11:16:53,944 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - job job_local1070093788_0006 has failed! Stop running all dependent jobs
2017-03-22 11:16:53,945 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 100% complete
2017-03-22 11:16:53,949 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Cannot initialize JVM Metrics with processName=JobTracker, sessionId= - already initialized
2017-03-22 11:16:53,954 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - Cannot initialize JVM Metrics with processName=JobTracker, sessionId= - already initialized
2017-03-22 11:16:53,962 [main] ERROR org.apache.pig.tools.pigstats.mapreduce.MRPigStatsUtil - 1 map reduce job(s) failed!
2017-03-22 11:16:53,981 [main] INFO org.apache.pig.tools.pigstats.mapreduce.SimplePigStats - Script Statistics:
HadoopVersion PigVersion UserId StartedAt FinishedAt Features
2.7.3 0.16.0 miracle 2017-03-22 11:16:43 2017-03-22 11:16:53 UNKNOWN
Failed!
Failed Jobs:
JobId Alias Feature Message Outputs
job_local1070093788_0006 student1 MAP_ONLY Message: Job failed! mongodb://localhost:27017/pavan.persons_info1,
Input(s):
Failed to read data from "hdfs://localhost:9000/input/student_dir/student_Info.txt"
Output(s):
Failed to produce result in "mongodb://localhost:27017/pavan.persons_info1"
Counters:
Total records written : 0
Total bytes written : 0
Spillable Memory Manager spill count : 0
Total bags proactively spilled: 0
Total records proactively spilled: 0
Job DAG:
job_local1070093788_0006
2017-03-22 11:16:53,983 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - Failed!
2017-03-22 11:16:54,004 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1002: Unable to store alias student1
Details at logfile: /home/miracle/pig_1490205716326.log
这是我在这里转储的输入,
Input(s):
成功从:"hdfs://localhost:9000/input/student_dir/student_Info.txt"读取6条记录(5378419字节)
输出:成功存储 6 条记录(5378449 字节)在:“hdfs://localhost:9000/tmp/temp-1419179625/tmp882976412”
计数器:写入的总记录数:6写入的总字节数:5378449溢出内存管理器溢出计数:0主动溢出的袋子总数:0主动溢出的记录总数:0
工作 DAG:job_local1866034015_0001
2017-03-23 02:43:37,677 [main] 信息 org.apache.hadoop.metrics.jvm.JvmMetrics - 无法使用 processName=JobTracker、sessionId= 初始化 JVM 指标 - 已初始化2017-03-23 02:43:37,681 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - 无法使用 processName=JobTracker、sessionId= 初始化 JVM 指标 - 已初始化2017-03-23 02:43:37,689 [main] INFO org.apache.hadoop.metrics.jvm.JvmMetrics - 无法使用 processName=JobTracker、sessionId= 初始化 JVM 指标 - 已初始化2017-03-23 02:43:37,736 [main] INFO org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher - 成功!2017-03-23 02:43:37,748 [main] INFO org.apache.hadoop.conf.Configuration.deprecation - fs.default.name 已弃用。相反,使用 fs.defaultFS2017-03-23 02:43:37,751 [main] WARN org.apache.pig.data.SchemaTupleBackend - SchemaTupleBackend 已经初始化2017-03-23 02:43:37,793 [main] INFO org.apache.hadoop.mapreduce.lib.input.FileInputFormat - 要处理的总输入路径:12017-03-23 02:43:37,793 [main] INFO org.apache.pig.backend.hadoop.executionengine.util.MapRedUtil - 要处理的总输入路径:1(拉吉夫,雷迪,9848022337,海得拉巴)(siddarth,Battacharya,9848022338,加尔各答)(拉杰什,卡纳,9848022339,德里)(Preethi,Agarwal,9848022330,浦那)(Trupthi,Mohanthy,9848022336,Bhuwaneshwar)(Archana,Mishra,9848022335,Chennai。)
我不知道下一步该怎么做,请给我任何建议。
最佳答案
我不使用 Mongo ,但从 HBase 的经验和错误来看,似乎很少有字段没有足够扁平化以适应列族。而且您尝试存储的列也很少不存在。请参阅 DUMP 数据而不是 STORE,并检查它是否与您应用的 STORE 结构匹配。
Caused by: java.io.IOException: Couldn't convert tuple to bson: at com.mongodb.hadoop.pig.MongoUpdateStorage.putNext(MongoUpdateStorage.java:165) at org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.StoreFuncDecorator.putNext(StoreFuncDecorator.java:75) ... 17 more Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1 at java.util.ArrayList.rangeCheck(ArrayList.java:653) at java.util.ArrayList.get(ArrayList.java:429) at org.apache.pig.data.DefaultTuple.get(DefaultTuple.java:117) at com.mongodb.hadoop.pig.JSONPigReplace.substitute(JSONPigReplace.java:120) at com.mongodb.hadoop.pig.MongoUpdateStorage.putNext(MongoUpdateStorage.java:142) ... 18 more
关于mongodb - 使用 Pig 将 HDFS 数据存储到 MongoDB,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42959842/
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