See <https://builds.apache.org/job/Tajo-master-CODEGEN-build/265/changes>

Changes:

[jihoonson] TAJO-1407: Minor performance improvement of MemSortExec.

------------------------------------------
[...truncated 459656 lines...]
-------------------------------
1.8]> but was:<[-------------------------------]>
  TestBuiltinFunctions.testAvgWithNull:231 
expected:<[avg_int,avg_long,avg_float,avg_double
-------------------------------
1.5,-222.0,2.0,1.0]
> but was:<[
-------------------------------]
>
  
TestJoinBroadcast.testBroadcastSubquery2:405->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[?sum
-------------------------------
190.0]> but was:<[-------------------------------]>
  
TestWindowQuery.testLead1:377->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lead,linenumber_lead,suppkey_lead,shipdate_lead,commitdate_lead,extendedprice_lead,discount_lead,l_orderkey
-------------------------------
TRUCK,1,7706,1996-03-13,1996-02-12 00:00:00,21168.23,0.04,1
null,null,null,null,null,null,null,1
null,null,null,null,null,null,null,2
RAIL,2,6540,1993-11-09,1993-12-20 00:00:00,46796.47,0.1,3
null,null,null,null,null,null,null,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.testLag1:328->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lag,linenumber_lag,suppkey_lag,shipdate_lag,commitdate_lag,extendedprice_lag,discount_lag,l_orderkey
-------------------------------
null,null,null,null,null,null,null,1
MAIL,2,7311,1996-04-12,1996-02-28 00:00:00,45983.16,0.09,1
null,null,null,null,null,null,null,2
null,null,null,null,null,null,null,3
AIR,1,1798,1994-02-02,1994-01-04 00:00:00,54058.05,0.06,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.firstValue1:258->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[l_orderkey,shipmode_first,linenumber_first,suppkey_first,shipdate_first,commitdate_first,extendedprice_first,discount_first
-------------------------------
1,MAIL,1,7311,1996-03-13,1996-02-12 00:00:00,21168.23,0.04
1,MAIL,1,7311,1996-03-13,1996-02-12 00:00:00,21168.23,0.04
2,RAIL,1,1191,1997-01-28,1997-01-14 00:00:00,44694.46,0.0
3,AIR,1,1798,1993-11-09,1993-12-20 00:00:00,46796.47,0.06
3,AIR,1,1798,1993-11-09,1993-12-20 00:00:00,46796.47,0.06]> but 
was:<[-------------------------------]>
  
TestWindowQuery.testLagWithNoArgs:363->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lag,linenumber_lag,suppkey_lag,shipdate_lag,commitdate_lag,extendedprice_lag,discount_lag,l_orderkey
-------------------------------
null,null,null,null,null,null,null,1
MAIL,2,7311,1996-04-12,1996-02-28 00:00:00,45983.16,0.09,1
null,null,null,null,null,null,null,2
null,null,null,null,null,null,null,3
AIR,1,1798,1994-02-02,1994-01-04 00:00:00,54058.05,0.06,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.testLeadWithNoArgs:412->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lead,linenumber_lead,suppkey_lead,shipdate_lead,commitdate_lead,extendedprice_lead,discount_lead,l_orderkey
-------------------------------
TRUCK,1,7706,1996-03-13,1996-02-12 00:00:00,21168.23,0.04,1
null,null,null,null,null,null,null,1
null,null,null,null,null,null,null,2
RAIL,2,6540,1993-11-09,1993-12-20 00:00:00,46796.47,0.1,3
null,null,null,null,null,null,null,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.testLeadWithDefault:419->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lead,linenumber_lead,suppkey_lead,shipdate_lead,commitdate_lead,extendedprice_lead,discount_lead,l_orderkey
-------------------------------
TRUCK,1,7706,1996-03-13,1996-02-12 00:00:00,21168.23,0.04,1
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,1
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,2
RAIL,2,6540,1993-11-09,1993-12-20 00:00:00,46796.47,0.1,3
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.testLagWithDefault:370->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[shipmode_lag,linenumber_lag,suppkey_lag,shipdate_lag,commitdate_lag,extendedprice_lag,discount_lag,l_orderkey
-------------------------------
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,1
MAIL,2,7311,1996-04-12,1996-02-28 00:00:00,45983.16,0.09,1
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,2
default,100,1000,2015-01-01,2015-01-01 12:00:00,1.234,0.11,3
AIR,1,1798,1994-02-02,1994-01-04 00:00:00,54058.05,0.06,3]> but 
was:<[-------------------------------]>
  
TestWindowQuery.lastValue1:293->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification 
expected:<[l_orderkey,shipmode_last,linenumber_last,suppkey_last,shipdate_last,commitdate_last,extendedprice_last,discount_last
-------------------------------
1,TRUCK,2,7706,1996-04-12,1996-02-28 00:00:00,45983.16,0.09
1,TRUCK,2,7706,1996-04-12,1996-02-28 00:00:00,45983.16,0.09
2,RAIL,1,1191,1997-01-28,1997-01-14 00:00:00,44694.46,0.0
3,RAIL,2,6540,1994-02-02,1994-01-04 00:00:00,54058.05,0.1
3,RAIL,2,6540,1994-02-02,1994-01-04 00:00:00,54058.05,0.1]> but 
was:<[-------------------------------]>
  
TestGroupByQuery.testDistinctAggregationCasebyCase9:410->QueryTestCaseBase.assertResultSet:384->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,cnt1,value2,l_partkey,avg1,cnt2
-------------------------------
1,1,28.0,1,26.5,2
2,1,39.0,2,38.0,1
3,1,46.0,2,45.0,1
3,1,51.0,3,49.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testGroupbyWithJson:581->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1
1,1.0,3]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithAggFunction:572->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithNamedTarget:563->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
1,1.0,3
2,2.0,1
3,2.5,3]> but was:<[-------------------------------]>
  TestGroupByQuery.testDistinctAggregationCasebyCase11:447 
expected:<[id,?count_4,?avg_5,?min_6,?max_7,?sum_8,?cast_9,?cast_10,?cast_11,?cast_12
-------------------------------
1,2,4.0,3,5,12,4,3,5,12
2,3,2.0,1,3,6,7,6,8,21]
> but was:<[
-------------------------------]
>
  
TestGroupByQuery.testDistinctAggregationCasebyCase9:410->QueryTestCaseBase.assertResultSet:384->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,cnt1,value2,l_partkey,avg1,cnt2
-------------------------------
1,1,28.0,1,26.5,2
2,1,39.0,2,38.0,1
3,1,46.0,2,45.0,1
3,1,51.0,3,49.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testGroupbyWithJson:581->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1
1,1.0,3]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithAggFunction:572->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
3,2.5,3
2,2.0,1]> but was:<[-------------------------------]>
  
TestGroupByQuery.testHavingWithNamedTarget:563->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_orderkey,total,num
-------------------------------
1,1.0,3
2,2.0,1
3,2.5,3]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:443->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,null,null,null,33.333333333333336,100.0
2,null,null,null,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:443->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,null,null,null,33.333333333333336,100.0
2,null,null,null,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:443->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,null,null,null,33.333333333333336,100.0
2,null,null,null,42.5,85.0]> but was:<[-------------------------------]>
  
TestJoinQuery.testLeftOuterJoinWithEmptyTable5:443->QueryTestCaseBase.assertResultSet:373->QueryTestCaseBase.assertResultSet:398->QueryTestCaseBase.verifyResultText:514
 Result Verification expected:<[l_linenumber,?sum,?max_1,?max_2,?avg_3,?sum_4
-------------------------------
1,null,null,null,33.333333333333336,100.0
2,null,null,null,42.5,85.0]> but was:<[-------------------------------]>
  TestCTASQuery.testCtasWithManagedTable:273 null
  TestTaskStatusUpdate.case2:80->assertStatus:164 expected:<3> but was:<2>

Tests in error: 
  
TestSQLExpression.testCastFromTable:888->ExprTestBase.testEval:203->ExprTestBase.testEval:285
 » NoSuchMethod
  
TestSQLExpression.testQuotedIdentifiers:47->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestPredicates.testInPredicateWithConstant:307->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestPredicates.testIsNullPredicateWithFunction:361->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testRoundWithSpecifiedPrecision:469->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testAbs:344->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testCos:144->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testDiv:257->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testExp:321->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testMod:241->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testPow:409->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testSin:127->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testTan:160->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testAtan2:225->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testFloor:73->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testRound:45->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testAcos:192->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testAsin:176->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testAtan:208->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testCbrt:364->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testCeil:92->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testSign:273->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testSqrt:298->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testCeiling:111->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testRadians:428->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestMathFunctions.testDegrees:387->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestDateTimeFunctions.testDatePart:242->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestDateTimeFunctions.testExtract:125->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testRegexReplace:140->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testOctetLength:351->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testChr:521->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testMd5:294->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testAscii:505->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testLTrim:75->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testLower:256->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testRTrim:96->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testRight:202->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testUpper:243->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testLeft:173->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testTrim:117->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testCharLength:269->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testBitLength:457->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testReverse:217->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testSplitPart:367->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testFindInSet:593->ExprTestBase.testEval:209->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testLength:281->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testLocate:439->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testRepeat:231->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testStrpos:473->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testSubstr:396->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  
TestStringOperatorsAndFunctions.testStrposb:489->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation
  TestGroupByQuery.testDistinctAggregationCaseByCase3:497 » Service 
java.sql.SQL...
  TestGroupByQuery.testDistinctAggregationCasebyCase11:435 » Service 
java.sql.SQ...
  
TestCTASQuery.testCtasWithGroupby:149->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithTextFile:231->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithLimit:169->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithUnion:179->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithOptions:245->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithStoreType:217->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestCTASQuery.testCtasWithOrderby:159->QueryTestCaseBase.executeQuery:317->QueryTestCaseBase.executeFile:353
 » Service
  
TestEvalCodeGenerator.testStringConcat:308->ExprTestBase.testEval:196->ExprTestBase.testEval:282
 » Compilation

Tests run: 1380, Failures: 29, Errors: 61, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Tajo Main ......................................... SUCCESS [  1.608 s]
[INFO] Tajo Project POM .................................. SUCCESS [  1.158 s]
[INFO] Tajo Maven Plugins ................................ SUCCESS [  2.728 s]
[INFO] Tajo Common ....................................... SUCCESS [ 24.207 s]
[INFO] Tajo Algebra ...................................... SUCCESS [  1.334 s]
[INFO] Tajo Catalog Common ............................... SUCCESS [  6.561 s]
[INFO] Tajo Plan ......................................... SUCCESS [  5.899 s]
[INFO] Tajo Rpc Common ................................... SUCCESS [  0.432 s]
[INFO] Tajo Protocol Buffer Rpc .......................... SUCCESS [ 20.847 s]
[INFO] Tajo Catalog Client ............................... SUCCESS [  1.060 s]
[INFO] Tajo Catalog Server ............................... SUCCESS [  9.682 s]
[INFO] Tajo Storage Common ............................... SUCCESS [ 10.988 s]
[INFO] Tajo HDFS Storage ................................. SUCCESS [ 41.681 s]
[INFO] Tajo HBase Storage ................................ SUCCESS [  2.925 s]
[INFO] Tajo PullServer ................................... SUCCESS [  0.909 s]
[INFO] Tajo Client ....................................... SUCCESS [  3.102 s]
[INFO] Tajo CLI tools .................................... SUCCESS [  0.662 s]
[INFO] Tajo JDBC Driver .................................. SUCCESS [  2.831 s]
[INFO] ASM (thirdparty) .................................. SUCCESS [  0.574 s]
[INFO] Tajo Core ......................................... FAILURE [16:13 min]
[INFO] Tajo RESTful Container ............................ SKIPPED
[INFO] Tajo RPC .......................................... SKIPPED
[INFO] Tajo Catalog Drivers .............................. SKIPPED
[INFO] Tajo Catalog ...................................... SKIPPED
[INFO] Tajo Storage ...................................... SKIPPED
[INFO] Tajo Distribution ................................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 18:33 min
[INFO] Finished at: 2015-03-24T08:29:51+00:00
[INFO] Final Memory: 103M/1007M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on 
project tajo-core: There are test failures.
[ERROR] 
[ERROR] Please refer to 
<https://builds.apache.org/job/Tajo-master-CODEGEN-build/ws/tajo-core/target/surefire-reports>
 for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :tajo-core
Build step 'Execute shell' marked build as failure
Updating TAJO-1407

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