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https://issues.apache.org/jira/browse/DRILL-4032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jason Altekruse resolved DRILL-4032.
------------------------------------
Resolution: Fixed
Fix Version/s: 1.4.0
> Drill unable to parse json files with schema changes
> ----------------------------------------------------
>
> Key: DRILL-4032
> URL: https://issues.apache.org/jira/browse/DRILL-4032
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types, Storage - JSON
> Affects Versions: 1.3.0
> Reporter: Rahul Challapalli
> Assignee: Steven Phillips
> Priority: Blocker
> Fix For: 1.4.0
>
>
> git.commit.id.abbrev=bb69f22
> {code}
> select d.col2.col3 from reg1 d;
> Error: DATA_READ ERROR: Error parsing JSON - index: 0, length: 4 (expected:
> range(0, 0))
> File /drill/testdata/reg1/a.json
> Record 2
> Fragment 0:0
> {code}
> The folder reg1 contains 2 files
> File 1 : a.json
> {code}
> {"col1": "val1","col2": null}
> {"col1": "val1","col2": {"col3":"abc", "col4":"xyz"}}
> {code}
> File 2 : b.json
> {code}
> {"col1": "val1","col2": null}
> {"col1": "val1","col2": null}
> {code}
> Exception from the log file :
> {code}
> [Error Id: a7e3c716-838d-4f8f-9361-3727b98f04cd ]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:534)
> ~[drill-common-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.store.easy.json.JSONRecordReader.handleAndRaise(JSONRecordReader.java:165)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.store.easy.json.JSONRecordReader.next(JSONRecordReader.java:205)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:183)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:119)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:113)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:103)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:130)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:156)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:119)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:80)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:256)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:250)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> [na:1.7.0_71]
> at javax.security.auth.Subject.doAs(Subject.java:415) [na:1.7.0_71]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
> [hadoop-common-2.7.0-mapr-1506.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:250)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_71]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> Caused by: java.lang.IndexOutOfBoundsException: index: 0, length: 4
> (expected: range(0, 0))
> at io.netty.buffer.DrillBuf.checkIndexD(DrillBuf.java:189)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:4.0.27.Final]
> at io.netty.buffer.DrillBuf.chk(DrillBuf.java:211)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:4.0.27.Final]
> at io.netty.buffer.DrillBuf.getInt(DrillBuf.java:491)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:4.0.27.Final]
> at
> org.apache.drill.exec.vector.UInt4Vector$Accessor.get(UInt4Vector.java:364)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.VarCharVector$Mutator.setSafe(VarCharVector.java:525)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.NullableVarCharVector$Mutator.fillEmpties(NullableVarCharVector.java:465)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.NullableVarCharVector$Mutator.setSafe(NullableVarCharVector.java:545)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.impl.NullableVarCharWriterImpl.writeVarChar(NullableVarCharWriterImpl.java:151)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.handleString(JsonReader.java:461)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeData(JsonReader.java:342)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeData(JsonReader.java:310)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeDataSwitch(JsonReader.java:241)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeToVector(JsonReader.java:179)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.write(JsonReader.java:145)
> ~[drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> at
> org.apache.drill.exec.store.easy.json.JSONRecordReader.next(JSONRecordReader.java:183)
> [drill-java-exec-1.3.0-SNAPSHOT.jar:1.3.0-SNAPSHOT]
> {code}
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