Project: talenddataquality
Issue TDQ-11915: Documented scenarios using tMatchGroup are not worked 
Please refer to QAI-54238. Investigated with Sizhao, and pretty sure that it's tMatchGroup which causes the problem. May be related to issue TDQ-11914 Using the attached jobs, and see the errors below: Error: java.lang.NullPointerException java.util.Arrays.binarySearch(Arrays.java:1523) newpro.mapred_group_family_0_1.mapred_group_family$NaturalKeyPartitioner_tSortRowAfter_tMatchGroup_10.getPartition(mapred_group_family.java:7377) newpro.mapred_group_family_0_1.mapred_group_family$NaturalKeyPartitioner_tSortRowAfter_tMatchGroup_10.getPartition(mapred_group_family.java:1) org.apache.hadoop.mapred.MapTask$OldOutputCollector.collect(MapTask.java:610) org.talend.hadoop.mapred.lib.Chain$ChainOutputCollector.collect(Chain.java:466) newpro.mapred_group_family_0_1.mapred_group_family$tSortRowAfter_tMatchGroup_10Mapper.map(mapred_group_family.java:7131) newpro.mapred_group_family_0_1.mapred_group_family$tSortRowAfter_tMatchGroup_10Mapper.map(mapred_group_family.java:1) org.talend.hadoop.mapred.lib.ChainMapper.map(ChainMapper.java:63) org.talend.hadoop.mapred.lib.DelegatingMapper.map(DelegatingMapper.java:44) org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54) org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453) org.apache.hadoop.mapred.MapTask.run(MapTask.java:343) org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163) java.security.AccessController.doPrivileged(Native Method) javax.security.auth.Subject.doAs(Subject.java:415) org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671) org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
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