javier-nieto-nexplore opened a new issue #2355:
URL: https://github.com/apache/drill/issues/2355
**Describe the bug**
Drill is not able to query mongodb cluster, it throws a NPE
```
2021-10-28 16:21:52,535 [1e8531df-4e21-f062-707b-b9cbb72c619e:foreman] INFO
o.a.d.e.s.mongo.MongoStoragePlugin - Created srv protocol connection to
[address=mongoclusterDNSisOK:27017, user=USERalsoOK].
2021-10-28 16:21:52,535 [1e8531df-4e21-f062-707b-b9cbb72c619e:foreman] INFO
o.a.d.e.s.mongo.MongoStoragePlugin - Number of open connections 1.
2021-10-28 16:21:53,165 [1e8531df-4e21-f062-707b-b9cbb72c619e:foreman] WARN
o.a.d.e.s.m.s.MongoSchemaFactory - Failure while getting collection names from
'config'. Command failed with error 13 (Unauthorized): 'not authorized on
config to execute command ...
2021-10-28 16:21:53,208 [1e8531df-4e21-f062-707b-b9cbb72c619e:foreman] WARN
o.a.d.e.s.m.s.MongoSchemaFactory - Failure while getting collection names from
'local'. Command failed with error 13 (Unauthorized): 'not authorized on local
to execute command ...
2021-10-28 16:21:58,711 [1e8531df-4e21-f062-707b-b9cbb72c619e:frag:1:0] INFO
o.a.d.e.w.fragment.FragmentExecutor -
1e8531df-4e21-f062-707b-b9cbb72c619e:1:0: State change requested
AWAITING_ALLOCATION --> FINISHED
2021-10-28 16:21:58,711 [1e8531df-4e21-f062-707b-b9cbb72c619e:frag:1:0] INFO
o.a.d.e.w.f.FragmentStatusReporter - 1e8531df-4e21-f062-707b-b9cbb72c619e:1:0:
State to report: FINISHED
2021-10-28 16:21:58,711 [drill-executor-6] ERROR
o.a.d.exec.server.BootStrapContext -
org.apache.drill.exec.work.WorkManager$WorkerBee$1.run() leaked an exception.
java.lang.NullPointerException: null
at
org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:347)
at
org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
at java.base/java.lang.Thread.run(Thread.java:832)
```
The DBs unauthorized are cluster-private stuff, these warning lines are also
as DEBUG at 1.18.0 logs but after the query is starting on the requested DB
without problems.
**To Reproduce**
Steps to reproduce the behavior:
1. Create a mongodb cluster storage
2. Try a query
3. Check the logs
**Expected behavior**
Running the query
**Additional context**
[version] apache/drill:master-openjdk-14
[DIGEST] 55e6551a8523 (2021/10/28 5:23pm)
[OS] docker
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