Baraa, I believe you have to fully qualify the loader when you use it in Pig (eg. org.apache.Pig.whatever)
Robert. On 11 February 2011 18:06, Baraa Mohamad <[email protected]>wrote: > hi all > please I need your help, i'm a newbie with pig but I really would like to > use it > > I tried to use xmlloader within this small program > register H:/apps/pig-0.7.0/piggybank.jar; > > A = load 'brain.xml' using XMLLoader('attr') as (x:chararray); > > but i get always some errors > > ERROR 1070: Could not resolve XMLLoader using imports: [, > org.apache.pig.builtin., org.apache.pig.impl.builtin.] > > *java.lang.RuntimeException: Cannot instantiate:XMLLoader* > at > org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:455) > at > > org.apache.pig.impl.logicalLayer.parser.QueryParser.NonEvalFuncSpec(QueryParser.java:5087) > at > > org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1434) > 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.exec(Grunt.java:89) > at org.apache.pig.Main.main(Main.java:391) > Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR > 1070: > Could not resolve XMLLoader using imports: [, org.apache.pig.builtin., > org.apache.pig.impl.builtin.] > at org.apache.pig.impl.PigContext.resolveClassName(PigContext.java:440) > at > org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:452) > > please I need your help > I'm using pig-0.7.0 > > best regards >
