To change use lzo: 1) Hive/MR compression: search "SnappyCodec" in conf/*.xml file, replace them with lzo's codec 2) HBase compression: in conf/kylin.properties, set "kylin.hbase.default.compression.codec" to "lzo"
2017-04-19 10:56 GMT+08:00 35925138 <[email protected]>: > 这个问题，我通过设置hive-site.xml里的hive.aux.jars.path，将hadoop-lzo的那几个jar强行写进去，解决的，不过在build > cube的第三步，有爆出了这样的错误， > yarn里爆出的错误为： > Error: java.io.IOException: Unable to initialize any output collector at > org.apache.hadoop.mapred.MapTask.createSortingCollector(MapTask.java:412) > at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81) at > org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:695) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:767) at > org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) at > org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) at > java.security.AccessController.doPrivileged(Native Method) at > javax.security.auth.Subject.doAs(Subject.java:422) at > org.apache.hadoop.security.UserGroupInformation.doAs( > UserGroupInformation.java:1628) at org.apache.hadoop.mapred. > YarnChild.main(YarnChild.java:158) Container killed by the > ApplicationMaster. Container killed on request. Exit code is 143 Container > exited with a non-zero exit code 143 > > 我查看日志，日志中有这样的信息 > > 2017-04-19 10:48:15,875 WARN [main] org.apache.hadoop.mapred.MapTask: > Unable to initialize MapOutputCollector org.apache.hadoop.mapred. > MapTask$MapOutputBuffer > java.lang.IllegalArgumentException: Compression codec > com.hadoop.compression.lzo.LzoCodec was not found. > at org.apache.hadoop.mapred.JobConf.getMapOutputCompressorClass( > JobConf.java:798) > at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.init( > MapTask.java:1019) > at org.apache.hadoop.mapred.MapTask.createSortingCollector( > MapTask.java:401) > at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81) > at org.apache.hadoop.mapred.MapTask$NewOutputCollector.< > init>(MapTask.java:695) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:767) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at org.apache.hadoop.security.UserGroupInformation.doAs( > UserGroupInformation.java:1628) > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) > Caused by: java.lang.ClassNotFoundException: Class > com.hadoop.compression.lzo.LzoCodec not found > at org.apache.hadoop.conf.Configuration.getClassByName( > Configuration.java:1980) > at org.apache.hadoop.mapred.JobConf.getMapOutputCompressorClass( > JobConf.java:796) > ... 11 more > > 我在hadoop中，执行hadoop/bin/hadoop checknative -a > 给出的信息为： > 17/04/19 09:55:10 WARN bzip2.Bzip2Factory: Failed to load/initialize > native-bzip2 library system-native, will use pure-Java version > 17/04/19 09:55:10 INFO zlib.ZlibFactory: Successfully loaded & initialized > native-zlib library > Native library checking: > hadoop: true /home/hadooper/hadoop/lib/native/libhadoop.so.1.0.0 > zlib: true /lib64/libz.so.1 > snappy: false > lz4: true revision:99 > bzip2: false > openssl: true /usr/lib64/libcrypto.so > > lzo应该是好的，不知道我改怎么处理这个问题。请大神赐教 > > > ------------------ 原始邮件 ------------------ > *发件人:* "35925138";<[email protected]>; > *发送时间:* 2017年4月14日(星期五) 下午4:25 > *收件人:* "dev"<[email protected]>; > *主题:* 回复：答复: 回复：答复: Error: java.io.IOException: Unable to initialize any > output collector > > 这个我确认过了。我的hadoop里的配置文件这个写的是2047，没有超过2048 > > > ------------------ 原始邮件 ------------------ > *发件人:* "roger shi";<[email protected]>; > *发送时间:* 2017年4月13日(星期四) 下午4:30 > *收件人:* "dev"<[email protected]>; > *主题:* 答复: 回复：答复: Error: java.io.IOException: Unable to initialize any > output collector > > It seems the hadoop environment configuration issue. > > > One possible reason is the configuration "mapreduce.task.io.sort.mb" of > this failed job is too large. For the detailed information please refer to > https://issues.apache.org/jira/browse/MAPREDUCE-6194. > > Bubble up final exception in failures during creation of ...< > https://issues.apache.org/jira/browse/MAPREDUCE-6194> > issues.apache.org > MAPREDUCE-5974 added in ability to instantiate multiple OCs, but if none > of them are able to load it "throws" only a final a generic message: > "Unable to initialize ... > > > > ________________________________ > 发件人: 35925138 <[email protected]> > 发送时间: 2017年4月13日 15:13:45 > 收件人: dev > 主题: 回复：答复: Error: java.io.IOException: Unable to initialize any output > collector > > 这就是全的错误信息了。只报了这么些。 > > > > > ------------------ 原始邮件 ------------------ > 发件人: "roger shi";<[email protected]>; > 发送时间: 2017年4月13日(星期四) 下午2:51 > 收件人: "dev"<[email protected]>; > > 主题: 答复: Error: java.io.IOException: Unable to initialize any output > collector > > > > Could you please attach the complete stack trace of the error? > > ________________________________ > 发件人: 35925138 <[email protected]> > 发送时间: 2017年4月13日 13:45:09 > 收件人: dev > 主题: Error: java.io.IOException: Unable to initialize any output collector > > 我的kylin版本是1.6.0 hadoop版本是2.6.0在build cube时，到了Step Name: Redistribute Flat > Hive Table 这以步时，失败了， > kylin界面上的日志如下： > no counters for job job_1492049582227_0011 > > > 我到hadoop中的userlog中查看，报出这样的错误 > 2017-04-13 11:23:33,758 ERROR [IPC Server handler 1 on 43772] > org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task: > attempt_1492049582227_0011_m_000000_0 - exited : java.io.IOException: > Unable to initialize any output collector > at org.apache.hadoop.mapred.MapTask.createSortingCollector( > MapTask.java:412) > at org.apache.hadoop.mapred.MapTask.access$100(MapTask.java:81) > at org.apache.hadoop.mapred.MapTask$NewOutputCollector.< > init>(MapTask.java:695) > at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:767) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341) > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at org.apache.hadoop.security.UserGroupInformation.doAs( > UserGroupInformation.java:1628) > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) > > > 这个是什么情况，应该怎么解决，请帮忙，谢谢 > > -- Best regards, Shaofeng Shi 史少锋
