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Org.apache.pig.impl.logicallayer.frontendexception: Error 1000: Error During Parsing. Null

any questions you might have Meta Discuss the workings and policies of this mismatched input expecting right_paren site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up pig ERROR 1200: null when using fs commands up vote 0 down vote favorite while running pig in mapreduce mode im occuring really strange error. The pigscript.pig contains.... x= load 'hdfs://file.avro' USING AvroStorage(); some transofrmations... fs mv src/file dest/file; up to this point all works fine, but script continues as y = load 'hdfs://file2.avro' USING AvroStorage(); While executed previous command i got error bellow. I double check and the file2.avro is there ... stored in the HDFS. When I quit pig and re-run the code from the line y = load 'hdfs://file2.avro' USING AvroStorage(); all works fine. Any idea? Pig Stack Trace --------------- ERROR 1200: null Failed to parse: null at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:201) at org.apache.pig.PigServer$Graph.validateQuery(PigServer.java:1707) at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1680) at org.apache.pig.PigServer.registerQuery(PigServer.java:623) at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:1063) at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:501) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:230) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:205) at

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error when running a http://stackoverflow.com/questions/36392464/pig-error-1200-null-when-using-fs-commands UDF in Pig up vote 1 down vote favorite I am trying to get a UDF to run in pig however I am facing some issues in that when I try and run the pig script it errors saying cannot instantiate mathPow with values ‘null’, if any body can help that would be great. Thanks The pig script is as follows: REGISTER MathPower.jar A = load http://stackoverflow.com/questions/19655587/error-when-running-a-udf-in-pig ‘input’ using PigStorage(‘,’); C = foreach A generate $0 as x, $1 as z; B = foreach A generate powUDF.mathUDF(x, z); dump B; The input file contains: 2,3 4,5 The java is as follows, NO exteranl librarbies have been added, I have simply followed a tutorial. I am using java version 1.6 and eclipse: package powUDF; import java.io.IOException; import org.apache.pig.EvalFunc; import org.apache.pig.data.Tuple; import org.apache.commons.logging.Log; import org.apache.*; public class mathUDF extends EvalFunc { /** * A simple UDF that takes a value and raises it to the power of a second * value. It can be used in a Pig Latin script as Pow(x, y), where x and y * are both expected to be ints. */ public Long exec(Tuple input) throws IOException { try { /* Rather than give you explicit arguments, UDFs are always handed * a tuple. The UDF must know the arguments it expects and pull * them out of the tuple. These next two lines get the first and * second fields out of the input tuple that was handed in. Since * Tuple.get returns Objects, we must cast them to Integers. If * the case fails, an exception

a GitHub account Sign in Create a https://gist.github.com/4067905 gist now Instantly share code, notes, and snippets. Star https://issues.apache.org/jira/browse/PIG-3207 0 Fork 0 afternoon/pig_1352835411845.log Created Nov 13, 2012 Embed What would you like to do? Embed Embed this gist in your website. Embed Share Copy sharable URL for this gist. Share Clone via HTTPS error 1200 Clone with Git or checkout with SVN using the repository's web address. HTTPS Learn more about clone URLs Download ZIP Code Revisions 2 Piggybank/AvroStorage RuntimeException Raw pig_1352835411845.log Pig Stack Trace --------------- ERROR 1200: Pig script failed to parse: pig script failed to validate: java.lang.RuntimeException: could not instantiate 'org.apache.pig.piggybank.storage.avro.AvroStorage' with arguments 'null' org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1000: Error during parsing. Pig script failed to parse: pig script failed to validate: java.lang.RuntimeException: could not instantiate 'org.apache.pig.piggybank.storage.avro.AvroStorage' with arguments 'null' at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1597) at org.apache.pig.PigServer$Graph.registerQuery(PigServer.java:1540) at org.apache.pig.PigServer.registerQuery(PigServer.java:540) at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:970) at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:386) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:189) at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:165) at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:84) at org.apache.pig.Main.run(Main.java:555) at org.apache.pig.Main.main(Main.java:111) Caused by: Failed to parse: Pig script failed to parse: pig script failed to validate: java.lang.RuntimeException: could not instantiate 'org.apache.pig.piggybank.storage.avro.AvroStorage' with arguments 'null' at org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:182) at org.apache.pig.PigServer$Graph.parseQuery(PigServer.java:1589) ... 9 more Caused by: pig script failed to validate: java.lang.RuntimeException: could not instantiate 'org.apache.pig.piggybank.storage.avro.AvroStorage' with arguments 'null' at org.apache.pig.parser.LogicalPlanBuilder.buildLoadOp(LogicalPlanBuilder.java:438) at org.apache.pig.parser.LogicalPlanGenerator.load_clause(LogicalPlanGenerator.java

untraceable error when semi-colon is inside a comment that splits a statementAgile Board ExportXMLWordPrintableJSON Details Type: Bug Status: Open Priority: Major Resolution: Unresolved Affects Version/s: 0.10.0 Fix Version/s: None Component/s: None Labels: None Description If a semi-colon is included in a comment that splits a GENERATE statement, Pig fails with either this error: ERROR 1200: Syntax error, unexpected symbol at or near 'null' or just: ERROR 1200: null This error does not happen if the comment does not split a statement. I did not test this with non-GENERATE statements. This happens both in grunt and when running a pig script from a file, though it is primarily an issue with the file. Grunt example: grunt> m = LOAD '/user/suryasev/fips2.txt' USING PigStorage('\t'); grunt> n = FOREACH m GENERATE $4 as first_item, $5 as second_item; grunt> describe n; n: {first_item: bytearray,second_item: bytearray} grunt> k = FOREACH n GENERATE first_item, --some comment; 2013-02-22 00:19:29,974 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1200: Syntax error, unexpected symbol at or near 'null' Details at logfile: /export/home/suryasev/pig_1361492310408.log Activity All Comments Work Log History Activity Transitions There are no comments yet on this issue. People Assignee: Russell Jurney Reporter: Sal Uryasev Votes: 1 Vote for this issue Watchers: 2 Start watching this issue Dates Created: 22/Feb/13 00:27 Updated: 22/Feb/13 01:02 DevelopmentAgile View on Board Atlassian JIRA Project Management Software (v6.3.4#6332-sha1:51bc225) About JIRA Report a problem Powered by a free Atlassian JIRA open source license for Apache Software Foundation. Try JIRA - bug tracking software for your team. Atlassian

 

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