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https://issues.apache.org/jira/browse/DRILL-5288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15888798#comment-15888798
]
Khurram Faraaz commented on DRILL-5288:
---------------------------------------
Since we set store.json.all_text_mode=true, shouldn't Drill treat the data as
just a string, irrespective of where it is coming from or what format it is ?,
and return a string to the user.
JSONLint complains that there is a duplicate key 'key' in the JSON file used in
this test.
> JSON data not read as string when store.json.all_text_mode=true
> ---------------------------------------------------------------
>
> Key: DRILL-5288
> URL: https://issues.apache.org/jira/browse/DRILL-5288
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Reporter: Khurram Faraaz
>
> Setting all text mode to true (at system/session level) does not help in this
> case. Data from the JSON input file is not returned as string.
> Drill 1.10.0 git commit id: 300e9349
> Data used in test
> {noformat}
> [root@centos-01 ~]# cat f2.json
> {"key":"string", "key":123, "key":[1,2,3], "key":true, "key":false,
> "key":null, "key":{"key2":"b"}, "key":"2011-08-21"}
> [root@centos-01 ~]#
> {noformat}
> {noformat}
> 0: jdbc:drill:schema=dfs.tmp> alter session set
> `store.json.all_text_mode`=true;
> +-------+------------------------------------+
> | ok | summary |
> +-------+------------------------------------+
> | true | store.json.all_text_mode updated. |
> +-------+------------------------------------+
> 1 row selected (0.176 seconds)
> 0: jdbc:drill:schema=dfs.tmp> select key from `f2.json`;
> Error: SYSTEM ERROR: IllegalStateException: You tried to start when you are
> using a ValueWriter of type NullableVarCharWriterImpl.
> Fragment 0:0
> [Error Id: 3cb5b806-53b6-49bf-ab5e-59c666259463 on centos-01.qa.lab:31010]
> (state=,code=0)
> {noformat}
> stack trace from drillbit.log
> {noformat}
> [Error Id: 3cb5b806-53b6-49bf-ab5e-59c666259463 on centos-01.qa.lab:31010]
> org.apache.drill.common.exceptions.UserException: SYSTEM ERROR:
> IllegalStateException: You tried to start when you are using a ValueWriter of
> type NullableVarCharWriterImpl.
> Fragment 0:0
> [Error Id: 3cb5b806-53b6-49bf-ab5e-59c666259463 on centos-01.qa.lab:31010]
> at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544)
> ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.sendFinalState(FragmentExecutor.java:293)
> [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.cleanup(FragmentExecutor.java:160)
> [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:262)
> [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
> [drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_91]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_91]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91]
> Caused by: java.lang.IllegalStateException: You tried to start when you are
> using a ValueWriter of type NullableVarCharWriterImpl.
> at
> org.apache.drill.exec.vector.complex.impl.AbstractFieldWriter.startList(AbstractFieldWriter.java:108)
> ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.impl.NullableVarCharWriterImpl.startList(NullableVarCharWriterImpl.java:88)
> ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeDataAllText(JsonReader.java:621)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeDataAllText(JsonReader.java:466)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeDataSwitch(JsonReader.java:319)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.writeToVector(JsonReader.java:262)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.vector.complex.fn.JsonReader.write(JsonReader.java:217)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.store.easy.json.JSONRecordReader.next(JSONRecordReader.java:206)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:179)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226)
> ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> at java.security.AccessController.doPrivileged(Native Method)
> ~[na:1.8.0_91]
> at javax.security.auth.Subject.doAs(Subject.java:422) ~[na:1.8.0_91]
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
> ~[hadoop-common-2.7.0-mapr-1607.jar:na]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226)
> [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
> ... 4 common frames omitted
> {noformat}
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