Please paste the script. Russell Jurney http://datasyndrome.com
On Dec 24, 2012, at 12:37 AM, Haitao Yao <yao.e...@gmail.com> wrote: > hi, all , > here's an error that has no line numbers attached: > > ERROR 1200: org.apache.pig.newplan.logical.expression.ScalarExpression cannot > be cast to org.apache.pig.newplan.logical.expression.ProjectExpression > > Failed to parse: org.apache.pig.newplan.logical.expression.ScalarExpression > cannot be cast to org.apache.pig.newplan.logical.expression.ProjectExpression > at > org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:180) > at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1609) > at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1582) > at org.apache.pig.PigServer.registerQuery(PigServer.java:584) > at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:942) > at > org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386) > at org.apache.pig.tools.grunt.GruntParser.loadScript(GruntParser.java:516) > at > org.apache.pig.tools.grunt.GruntParser.processExplain(GruntParser.java:314) > at org.apache.pig.tools.grunt.Grunt.checkScript(Grunt.java:98) > at org.apache.pig.Main.run(Main.java:434) > at org.apache.pig.Main.main(Main.java:112) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:601) > at org.apache.hadoop.util.RunJar.main(RunJar.java:156) > Caused by: java.lang.ClassCastException: > org.apache.pig.newplan.logical.expression.ScalarExpression cannot be cast to > org.apache.pig.newplan.logical.expression.ProjectExpression > at > org.apache.pig.parser.LogicalPlanGenerator.nested_proj(LogicalPlanGenerator.java:12881) > at > org.apache.pig.parser.LogicalPlanGenerator.nested_op(LogicalPlanGenerator.java:12640) > at > org.apache.pig.parser.LogicalPlanGenerator.nested_command(LogicalPlanGenerator.java:12463) > at > org.apache.pig.parser.LogicalPlanGenerator.nested_blk(LogicalPlanGenerator.java:12182) > at > org.apache.pig.parser.LogicalPlanGenerator.foreach_plan(LogicalPlanGenerator.java:12090) > at > org.apache.pig.parser.LogicalPlanGenerator.foreach_clause(LogicalPlanGenerator.java:11915) > at > org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1364) > at > org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:683) > at > org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:483) > at > org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:369) > at > org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:171) > ... 15 more > > > > Can anybody provide any information? Or can anybody attach the script > information with this Error? > > thank. > > > Haitao Yao > yao.e...@gmail.com > weibo: @haitao_yao > Skype: haitao.yao.final >
