Examples of org.apache.pig.PigException

org.apache.pig.PigException
All exceptions in Pig are encapsulated in the PigException class. Details such as the source of the error, error message, error code, etc. are contained in this class. The default values for the attributes are: errorSource = BUG errorCode = 0 retriable = false detailedMessage = null

        Grunt grunt = new Grunt(new BufferedReader(reader), context);
    
        try {
            grunt.exec();
        } catch (Exception e) {
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Encountered \" \";"));
        }
    }

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        pigServer.registerQuery("c = foreach b generate flatten(group) as c0;");
        
        try {
            pigServer.openIterator("c");
        } catch (Exception e) {
            PigException pe = LogUtils.getPigException(e);
            assertTrue(pe.getErrorCode()==1117);
            assertTrue(pe.getMessage().contains("Cannot merge"));
            return;
        }
        fail();
    }

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            if (pe != null) {
                log.error("You don't have permission to perform the operation. Error from the server: " + pe.getMessage());
            }
        }


        PigException pigException = LogUtils.getPigException(t);


        if(pigException != null) {
            message = "ERROR " + pigException.getErrorCode() + ": " + pigException.getMessage();
        } else {
            if((t instanceof ParseException 
                    || t instanceof org.apache.pig.tools.pigscript.parser.TokenMgrError 
                    || t instanceof org.apache.pig.impl.logicalLayer.parser.TokenMgrError)) {
                message = "ERROR 1000: Error during parsing. " + t.getMessage();

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        pigServer.registerQuery("B = FOREACH A generate x, " + UDF3.class.getName() + "(x,y);");
        try {
            Iterator<Tuple> iter = pigServer.openIterator("B");
        } catch(Exception e) {
            exceptionCaused = true;
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Multiple matching functions"));
            assertTrue(msg.contains("{float,double}, {float,long}"));
        }
        assertTrue(exceptionCaused);
    }

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        pigServer.registerQuery("B = FOREACH A generate x, " + UDF3.class.getName() + "(x,y, y);");
        try {
            Iterator<Tuple> iter = pigServer.openIterator("B");
        }catch(Exception e) {
            exceptionCaused = true;
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Multiple matching functions"));
            assertTrue(msg.contains("({float,double,long}, {float,long,double})"));
        }
        assertTrue(exceptionCaused);
    }

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        pigServer.registerQuery("B = FOREACH A generate x, " + UDF3.class.getName() + "(x,y, y);");
        try {
            Iterator<Tuple> iter = pigServer.openIterator("B");
        }catch(Exception e) {
            exceptionCaused = true;
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Multiple matching functions"));
            assertTrue(msg.contains("({float,double,long}, {float,long,double})"));
        }
        assertTrue(exceptionCaused);
    }

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        pigServer.registerQuery("B = FOREACH A generate x, " + UDF3.class.getName() + "(x,y, y);");
        try {
            Iterator<Tuple> iter = pigServer.openIterator("B");
        }catch(Exception e) {
            exceptionCaused = true;
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Could not infer the matching function"));
        }
        assertTrue(exceptionCaused);
    }

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        pigServer.registerQuery("B = FOREACH A generate x, " + UDF3.class.getName() + "(x,y, y);");
        try {
            Iterator<Tuple> iter = pigServer.openIterator("B");
        }catch(Exception e) {
            exceptionCaused = true;
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertTrue(msg.contains("Multiple matching functions"));
            assertTrue(msg.contains("({float,double,long}, {float,long,double}"));
        }
        assertTrue(exceptionCaused);
    }

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        pigServer.registerQuery("A = LOAD '" + inputFile + "' as (x:long, y:int);");
        pigServer.registerQuery("B = FOREACH A generate x, " + UDF1.class.getName() + "(y,y);");
        try{
            pigServer.openIterator("B");
        }catch (Exception e) {
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertEquals(true,msg.contains("as multiple or none of them fit"));
        }
        
    }

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        pigServer.registerQuery("A = LOAD '" + inputFile + "';");
        pigServer.registerQuery("B = FOREACH A generate $0, " + UDF1.class.getName() + "($1,$1);");
        try{
            pigServer.openIterator("B");
        }catch (Exception e) {
            PigException pe = LogUtils.getPigException(e);
            String msg = (pe == null? e.getMessage(): pe.getMessage());
            assertEquals(true,msg.contains("Multiple matching functions"));
        }
        
    }

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