[
https://issues.apache.org/jira/browse/DRILL-1894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Mehant Baid resolved DRILL-1894.
--------------------------------
Resolution: Fixed
This is fixed in the latest master.
> Complex JSON cause NPE
> ----------------------
>
> Key: DRILL-1894
> URL: https://issues.apache.org/jira/browse/DRILL-1894
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Affects Versions: 0.7.0
> Reporter: Chun Chang
> Assignee: Mehant Baid
> Fix For: 0.8.0
>
>
> #Tue Dec 16 13:28:01 EST 2014
> git.commit.id.abbrev=3b0ff5d
> Have the following JSON record (actual dataset too big):
> {code}
> {
> "id": 2,
> "oooa": {
> "oa": {
> "oab": {
> "oabc": [
> {
> "rowId": 2
> },
> {
> "rowValue1": 2,
> "rowValue2": 2
> }
> ]
> }
> }
> }
> }
> {code}
> The following query caused NPE:
> {code}
> SELECT t.id,
> t.oooa.oa.oab.oabc,
> t.oooa.oa.oab.oabc[1].rowvalue2
> FROM `complex.json` t
> ORDER BY t.oooa.oa.oab.oabc[1].rowvalue2 limit 50;
> {code}
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select t.id,
> t.oooa.oa.oab.oabc, t.oooa.oa.oab.oabc[1].rowValue2 from `complex.json` t
> order by t.oooa.oa.oab.oabc[1].rowValue2 limit 50;
> Query failed: Query failed: Failure while running fragment.[
> 8a2ee7e8-8c7b-4881-883e-7924884a0878 on qa-node117.qa.lab:31010 ]
> [ 8a2ee7e8-8c7b-4881-883e-7924884a0878 on qa-node117.qa.lab:31010 ]
> Error: exception while executing query: Failure while executing query.
> (state=,code=0)
> {code}
> stack trace:
> {code}
> 2014-12-18 15:11:54,916 [2b6ca0c5-5b7d-3832-091f-67b37d4e3e6c:frag:1:2] WARN
> o.a.d.e.w.fragment.FragmentExecutor - Error while initializing or executing
> fragment
> java.lang.NullPointerException: null
> 2014-12-18 15:11:54,916 [2b6ca0c5-5b7d-3832-091f-67b37d4e3e6c:frag:1:2] ERROR
> o.a.drill.exec.ops.FragmentContext - Fragment Context received failure.
> java.lang.NullPointerException: null
> 2014-12-18 15:11:54,916 [2b6ca0c5-5b7d-3832-091f-67b37d4e3e6c:frag:1:2] ERROR
> o.a.d.e.w.f.AbstractStatusReporter - Error
> 798d65b7-9cfb-4276-a50a-e9bae311a7ec: Failure while running fragment.
> java.lang.NullPointerException: null
> 2014-12-18 15:11:54,920 [2b6ca0c5-5b7d-3832-091f-67b37d4e3e6c:frag:2:0] ERROR
> o.a.d.e.p.i.p.StatusHandler - Failure while sending data to user.
> org.apache.drill.exec.rpc.RpcException: Interrupted while trying to get
> sending semaphore.
> at
> org.apache.drill.exec.rpc.data.DataTunnel.sendRecordBatch(DataTunnel.java:52)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.test.generated.PartitionerGen609$OutgoingRecordBatch.flush(PartitionerTemplate.java:320)
> [na:na]
> at
> org.apache.drill.exec.test.generated.PartitionerGen609.flushOutgoingBatches(PartitionerTemplate.java:134)
> [na:na]
> at
> org.apache.drill.exec.physical.impl.partitionsender.PartitionSenderRootExec.innerNext(PartitionSenderRootExec.java:176)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:114)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> at
> org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:254)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> [na:1.7.0_45]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_45]
> at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
> Caused by: java.lang.InterruptedException: null
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1301)
> ~[na:1.7.0_45]
> at java.util.concurrent.Semaphore.acquire(Semaphore.java:317)
> ~[na:1.7.0_45]
> at
> org.apache.drill.exec.rpc.data.DataTunnel.sendRecordBatch(DataTunnel.java:49)
> [drill-java-exec-0.7.0-SNAPSHOT-rebuffed.jar:0.7.0-SNAPSHOT]
> ... 9 common frames omitted
> {code}
> physical plan:
> {code}
> 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> explain plan for select t.id,
> t.oooa.oa.oab.oabc, t.oooa.oa.oab.oabc[1].rowValue2 from `complex.json` t
> order by t.oooa.oa.oab.oabc[1].rowValue2 limit 50;
> +------------+------------+
> | text | json |
> +------------+------------+
> | 00-00 Screen
> 00-01 Project(id=[$0], EXPR$1=[$1], EXPR$2=[$2])
> 00-02 SelectionVectorRemover
> 00-03 Limit(fetch=[50])
> 00-04 SingleMergeExchange(sort0=[2 ASC])
> 01-01 SelectionVectorRemover
> 01-02 TopN(limit=[50])
> 01-03 HashToRandomExchange(dist0=[[$2]])
> 02-01 Project(id=[$1], EXPR$1=[ITEM(ITEM(ITEM($0, 'oa'),
> 'oab'), 'oabc')], EXPR$2=[ITEM(ITEM(ITEM(ITEM(ITEM($0, 'oa'), 'oab'),
> 'oabc'), 1), 'rowValue2')])
> 02-02 Scan(groupscan=[EasyGroupScan
> [selectionRoot=/drill/testdata/complex_type/json/complex.json, numFiles=1,
> columns=[`id`, `oooa`.`oa`.`oab`.`oabc`,
> `oooa`.`oa`.`oab`.`oabc`[1].`rowValue2`],
> files=[maprfs:/drill/testdata/complex_type/json/complex.json]]])
> | {
> {code}
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