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

        boolean foundEx = false;
        try{
            Util.registerMultiLineQuery(pig, query);
            pig.dumpSchema("u");
        }catch(FrontendException e){
            PigException pigEx = LogUtils.getPigException(e);
            foundEx = true;
            if(!pigEx.getMessage().contains(expectedErr)){
                String msg = "Expected exception message matching '" 
                    + expectedErr + "' but got '" + e.getMessage() + "'" ;
                fail(msg);
            }
        }

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        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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            lp = (LogicalPlan) compileLp.invoke(myPig, new Object[] { null });


            Assert.assertNotNull(lp);


        } catch (Exception e) {
            PigException pe = LogUtils.getPigException(e);
            if (pe != null) {
                throw pe;
            } else {
                e.printStackTrace();
                Assert.fail();

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            "d = foreach c generate i,j,l,a::i as ai,a::j as aj,b::i as bi,b::l as bl;";
            boolean exceptionThrown = false;
            try{
                Util.registerMultiLineQuery(pigServer, script);
            }catch (Exception e) {
                PigException pe = LogUtils.getPigException(e);
                assertEquals(1025, pe.getErrorCode());
                exceptionThrown = true;
            }
            assertEquals(true, exceptionThrown);
            
            // schema with duplicates with resolution

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                        script +=  "c = join a by $0 left, b by $0;" ;
                    }
                    try {
                        Util.registerMultiLineQuery(pigServer, script);
                    } catch (Exception e) {
                        PigException pe = LogUtils.getPigException(e);
                        assertEquals(1105, pe.getErrorCode());
                    }
                }
            }
            deleteInputFile(execType, firstInput);
            deleteInputFile(execType, secondInput);

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                        script +=  "c = join a by $0 right, b by $0;" ;
                    }
                    try {
                        Util.registerMultiLineQuery(pigServer, script);
                    } catch (Exception e) {
                        PigException pe = LogUtils.getPigException(e);
                        assertEquals(1105, pe.getErrorCode());
                    }
                }
            }
            deleteInputFile(execType, firstInput);
            deleteInputFile(execType, secondInput);

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                        script +=  "c = join a by $0 full, b by $0;" ;
                    }
                    try {
                        Util.registerMultiLineQuery(pigServer, script);
                    } catch (Exception e) {
                        PigException pe = LogUtils.getPigException(e);
                        assertEquals(1105, pe.getErrorCode());
                    }
                }
            }
            deleteInputFile(execType, firstInput);
            deleteInputFile(execType, secondInput);

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        pigServer.registerQuery("B = LOAD '" + INPUT_FILE + "' as (id, name);");
        pigServer.registerQuery("C = LOAD '" + INPUT_FILE + "' as (id, name);");
        try {
            pigServer.registerQuery("D = join A by id, B by id, C by id using \"merge\";");
        }catch(Exception e) {
            PigException pe = LogUtils.getPigException(e);
            Assert.assertEquals(1000,pe.getErrorCode());
            return;
        }
        Assert.fail("Should throw exception, do not support 3 way join");
    }

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        pigServer.registerQuery("C = ORDER A by $0 parallel 5;");
        pigServer.registerQuery("D = join A by id, C by id using \"merge\";");
        try {
            pigServer.openIterator("D");
        }catch(Exception e) {
            PigException pe = LogUtils.getPigException(e);
            Assert.assertEquals(1103,pe.getErrorCode());
            return;
        }
        Assert.fail("Should fail to compile");
    }

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        pigServer.registerQuery("C = GROUP B by id;");
        pigServer.registerQuery("D = join A by id, C by $0 using \"merge\";");
        try {
            pigServer.openIterator("D");
        }catch(Exception e) {
            PigException pe = LogUtils.getPigException(e);
            Assert.assertEquals(1103,pe.getErrorCode());
            return;
        }
        Assert.fail("Should fail to compile");
    }

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