FAQ
When the specified load function cannot be found the error message is totally incomprehensible.
-----------------------------------------------------------------------------------------------

Key: PIG-431
URL: https://issues.apache.org/jira/browse/PIG-431
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: types_branch
Reporter: Alan Gates
Fix For: types_branch


"a = load ':INPATH:/singlefile/studenttab10k' using NoSuchFunction(':');

In Pig 1.x the resulting error message was:

Could not resolve NoSuchFunction

In 2.0 instead the user gets

java.lang.ClassCastException: java.io.IOException
at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1104)
at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:869)
at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:728)
at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:529)
at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:60)
at org.apache.pig.PigServer.parseQuery(PigServer.java:290)
at org.apache.pig.PigServer.registerQuery(PigServer.java:258)
at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:432)
at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:242)
at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:83)
at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
at org.apache.pig.Main.main(Main.java:306)


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  • Pradeep Kamath (JIRA) at Sep 15, 2008 at 10:02 pm
    [ https://issues.apache.org/jira/browse/PIG-431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12631156#action_12631156 ]

    Pradeep Kamath commented on PIG-431:
    ------------------------------------

    As part of my patch for PIG-269 (to merge PIG-183 from trunk to types branch) I have fixed this. I will submit the fix in that issue.

    Here is what you will see now:
    [pradeepk@chargesize:~/dev/pig-apache/pig/branches/types]java -cp pig.jar:$localc org.apache.pig.Main
    2008-09-15 14:56:49,712 [main] INFO org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to hadoop file system at: localhost:9000
    2008-09-15 14:56:49,778 [main] WARN org.apache.hadoop.fs.FileSystem - "localhost:9000" is a deprecated filesystem name. Use "hdfs://localhost:9000/" instead.
    2008-09-15 14:56:50,184 [main] INFO org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting to map-reduce job tracker at: localhost:9001
    2008-09-15 14:56:50,305 [main] WARN org.apache.hadoop.fs.FileSystem - "localhost:9000" is a deprecated filesystem name. Use "hdfs://localhost:9000/" instead.
    grunt> a = load 'st10k' using NoSuchFunction(':');
    java.lang.Error: java.io.IOException: Cannot instantiate:NoSuchFunction [Cannot instantiate:NoSuchFunction]
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1088)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:869)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:728)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:529)
    at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:60)
    at org.apache.pig.PigServer.parseQuery(PigServer.java:290)
    at org.apache.pig.PigServer.registerQuery(PigServer.java:258)
    at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:432)
    at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:242)
    at org.apache.pig.tools.grunt.GruntParser.parseContOnError(GruntParser.java:93)
    at org.apache.pig.tools.grunt.Grunt.run(Grunt.java:58)
    at org.apache.pig.Main.main(Main.java:282)
    Caused by: java.io.IOException: Cannot instantiate:NoSuchFunction [Cannot instantiate:NoSuchFunction]
    at org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:405)
    at org.apache.pig.impl.logicalLayer.LOLoad.(QueryParser.java:1086)
    ... 11 more
    Caused by: java.lang.RuntimeException: Cannot instantiate:NoSuchFunction
    ... 14 more
    Caused by: java.io.IOException: Could not resolve NoSuchFunction using imports: [, org.apache.pig.builtin., com.yahoo.pig.yst.sds.ULT., org.apache.pig.impl.builtin.] [Could not resolve NoSuchFunction using imports: [, org.apache.pig.builtin., com.yahoo.pig.yst.sds.ULT., org.apache.pig.impl.builtin.]]
    at org.apache.pig.impl.PigContext.resolveClassName(PigContext.java:389)
    at org.apache.pig.impl.PigContext.instantiateFuncFromSpec(PigContext.java:402)
    ... 13 more
    Caused by: java.lang.ClassNotFoundException: Could not resolve NoSuchFunction using imports: [, org.apache.pig.builtin., com.yahoo.pig.yst.sds.ULT., org.apache.pig.impl.builtin.]
    ... 15 more


    If this is fine, it can be close when that fix is committed
    When the specified load function cannot be found the error message is totally incomprehensible.
    -----------------------------------------------------------------------------------------------

    Key: PIG-431
    URL: https://issues.apache.org/jira/browse/PIG-431
    Project: Pig
    Issue Type: Bug
    Components: impl
    Affects Versions: types_branch
    Reporter: Alan Gates
    Fix For: types_branch


    "a = load ':INPATH:/singlefile/studenttab10k' using NoSuchFunction(':');
    In Pig 1.x the resulting error message was:
    Could not resolve NoSuchFunction
    In 2.0 instead the user gets
    java.lang.ClassCastException: java.io.IOException
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1104)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:869)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:728)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:529)
    at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:60)
    at org.apache.pig.PigServer.parseQuery(PigServer.java:290)
    at org.apache.pig.PigServer.registerQuery(PigServer.java:258)
    at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:432)
    at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:242)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:83)
    at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
    at org.apache.pig.Main.main(Main.java:306)
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  • Pradeep Kamath (JIRA) at Sep 16, 2008 at 10:34 pm
    [ https://issues.apache.org/jira/browse/PIG-431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

    Pradeep Kamath resolved PIG-431.
    --------------------------------

    Resolution: Fixed

    Resolved as per previous comment
    When the specified load function cannot be found the error message is totally incomprehensible.
    -----------------------------------------------------------------------------------------------

    Key: PIG-431
    URL: https://issues.apache.org/jira/browse/PIG-431
    Project: Pig
    Issue Type: Bug
    Components: impl
    Affects Versions: types_branch
    Reporter: Alan Gates
    Fix For: types_branch


    "a = load ':INPATH:/singlefile/studenttab10k' using NoSuchFunction(':');
    In Pig 1.x the resulting error message was:
    Could not resolve NoSuchFunction
    In 2.0 instead the user gets
    java.lang.ClassCastException: java.io.IOException
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.LoadClause(QueryParser.java:1104)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.BaseExpr(QueryParser.java:869)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Expr(QueryParser.java:728)
    at org.apache.pig.impl.logicalLayer.parser.QueryParser.Parse(QueryParser.java:529)
    at org.apache.pig.impl.logicalLayer.LogicalPlanBuilder.parse(LogicalPlanBuilder.java:60)
    at org.apache.pig.PigServer.parseQuery(PigServer.java:290)
    at org.apache.pig.PigServer.registerQuery(PigServer.java:258)
    at org.apache.pig.tools.grunt.GruntParser.processPig(GruntParser.java:432)
    at org.apache.pig.tools.pigscript.parser.PigScriptParser.parse(PigScriptParser.java:242)
    at org.apache.pig.tools.grunt.GruntParser.parseStopOnError(GruntParser.java:83)
    at org.apache.pig.tools.grunt.Grunt.exec(Grunt.java:64)
    at org.apache.pig.Main.main(Main.java:306)
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postedSep 15, '08 at 7:38p
activeSep 16, '08 at 10:34p
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