har url not usable in Pig scripts --------------------------------- Key: PIG-1378 URL: https://issues.apache.org/jira/browse/PIG-1378 Project: Pig Issue Type: Bug Components: impl Affects Versions: 0.7.0 Reporter: Viraj Bhat Fix For: 0.7.0
I am trying to use har (Hadoop Archives) in my Pig script. I can use them through the HDFS shell {noformat} $hadoop fs -ls 'har:///user/viraj/project/subproject/files/size/data' Found 1 items -rw------- 5 viraj users 1537234 2010-04-14 09:49 user/viraj/project/subproject/files/size/data/part-00001 {noformat} Using similar URL's in grunt yields {noformat} grunt> a = load 'har:///user/viraj/project/subproject/files/size/data'; grunt> dump a; {noformat} {noformat} 2010-04-14 22:08:48,814 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 2998: Unhandled internal error. org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0: Incompatible file URI scheme: har : hdfs 2010-04-14 22:08:48,814 [main] WARN org.apache.pig.tools.grunt.Grunt - There is no log file to write to. 2010-04-14 22:08:48,814 [main] ERROR org.apache.pig.tools.grunt.Grunt - java.lang.Error: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0: Incompatible file URI scheme: har : hdfs at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1483) at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:1245) at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:911) at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:700) at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:63) at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1164) at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1114) at org.apache.pig.PigServer.registerQuery(PigServer.java:425) at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:737) at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:324) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:162) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:138) at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:75) at org.apache.pig.Main.main(Main.java:357) Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0: Incompatible file URI scheme: har : hdfs at org.apache.pig.LoadFunc.getAbsolutePath(LoadFunc.java:249) at org.apache.pig.LoadFunc.relativeToAbsolutePath(LoadFunc.java:62) at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1472) ... 13 more {noformat} According to Jira http://issues.apache.org/jira/browse/PIG-1234 I try the following as stated in the original description {noformat} grunt> a = load 'har://namenode-location/user/viraj/project/subproject/files/size/data'; grunt> dump a; {noformat} {noformat} Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2118: Unable to create input splits for: har://namenode-location/user/viraj/project/subproject/files/size/data'; ... 8 more Caused by: java.io.IOException: No FileSystem for scheme: mithrilgold at .apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1375) at .apache.hadoop.fs.FileSystem.access(200(FileSystem.java:66) at .apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390) at .apache.hadoop.fs.FileSystem.get(FileSystem.java:196) at .apache.hadoop.fs.HarFileSystem.initialize(HarFileSystem.java:104) at .apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378) at .apache.hadoop.fs.FileSystem.get(FileSystem.java:193) at .apache.hadoop.fs.Path.getFileSystem(Path.java:175) at .apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus(FileInputFormat.java:208) at .apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigTextInputFormat.listStatus(PigTextInputFormat.java:36) at .apache.hadoop.mapreduce.lib.input.FileInputFormat.getSplits(FileInputFormat.java:246) at .apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:245) {noformat} Viraj -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira