[Java] java.lang.NullPointerException: null at org.apache.arrow.driver.jdbc. Failed in getDialectProperties
- Dominant language
- Java
- Stars
- 94
- Forks
- 152
- Avg merge
- 3d 16h
- Merged PRs (30d)
- 11
Description
### Describe the enhancement requested
There is an error with jdbc arrow driver in Tableau. Hope somebody find solution to fix it. or maybe addd necessary dialect to arrow
```
2023-10-12 23:06:37.332 +0300 (,,,,3,23) grpc-default-executor-3 : ERROR com.tableau.connect.util.GrpcServiceHelper - Failed in getDialectProperties.
java.lang.NullPointerException: null
at org.apache.arrow.driver.jdbc.ArrowDatabaseMetadata.getSqlInfoEnumOptionAndCacheIfCacheIsEmpty(ArrowDatabaseMetadata.java:758) ~[?:?]
at org.apache.arrow.driver.jdbc.ArrowDatabaseMetadata.supportsANSI92EntryLevelSQL(ArrowDatabaseMetadata.java:343) ~[?:?]
at com.tableausoftware.jdbc.JDBCProtocolImpl.getSQL92Level(JDBCProtocolImpl.java:1038) ~[jdbcserver.jar:20232.0.5]
at com.tableausoftware.jdbc.JDBCProtocolImpl.getDialectPropertiesImpl(JDBCProtocolImpl.java:1168) ~[jdbcserver.jar:20232.0.5]
at com.tableausoftware.jdbc.JDBCProtocolImpl.getDialectProperties(JDBCProtocolImpl.java:1189) ~[jdbcserver.jar:20232.0.5]
at com.tableau.connect.service.ProtocolService.getDialectProperties(ProtocolService.java:260) ~[jdbcserver.jar:20232.0.5]
at com.tableau.connect.grpc.GrpcProtocolService.lambda$getDialectProperties$15(GrpcProtocolService.java:220) ~[jdbcserver.jar:20232.0.5]
at com.tableau.connect.grpc.GrpcProtocolService.wrap(GrpcProtocolService.java:280) ~[jdbcserver.jar:20232.0.5]
at com.tableau.connect.grpc.GrpcProtocolService.getDialectProperties(GrpcProtocolService.java:219) ~[jdbcserver.jar:20232.0.5]
at com.tableau.connect.generated.ProtocolServiceGrpc$MethodHandlers.invoke(ProtocolServiceGrpc.java:1536) ~[jdbcserver.jar:20232.0.5]
at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:182) ~[jdbcserver.jar:20232.0.5]
at io.grpc.PartialForwardingServerCallListener.onHalfClose(PartialForwardingServerCallListener.java:35) ~[jdbcserver.jar:20232.0.5]
at io.grpc.ForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:23) ~[jdbcserver.jar:20232.0.5]
at io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:40) ~[jdbcserver.jar:20232.0.5]
at io.grpc.Contexts$ContextualizedServerCallListener.onHalfClose(Contexts.java:86) ~[jdbcserver.jar:20232.0.5]
at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:354) ~[jdbcserver.jar:20232.0.5]
at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:866) ~[jdbcserver.jar:20232.0.5]
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[jdbcserver.jar:20232.0.5]
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133) ~[jdbcserver.jar:20232.0.5]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[?:?]
at java.lang.Thread.run(Unknown Source) ~[?:?]
2023-10-12 23:06:37.332 +0300 (,,,,3,23) grpc-default-executor-3 : INFO com.tableau.connect.grpc.GrpcProtocolService - End local request 23 /getDialectProperties.
2023-10-12 23:06:37.334 +0300 (,,,,3,24) grpc-default-executor-3 : INFO com.tableau.connect.grpc.GrpcProtocolService - Start local request 24 /isConnected.
2023-10-12 23:06:37.334 +0300 (,,,,3,24) grpc-default-executor-3 : INFO com.tableau.connect.grpc.GrpcProtocolService - End local request 24 /isConnected.
2023-10-12 23:06:37.335 +0300 (,,,,3,25) grpc-default-executor-3 : INFO com.tableau.connect.grpc.GrpcProtocolService - Start local request 25 /closeProtocol.
2023-10-12 23:06:37.335 +0300 (,,,,3,25) grpc-default-executor-3 : INFO com.tableausoftware.jdbc.JDBCProtocolImpl - Closing connection 3.
2023-10-12 23:06:37.337 +0300 (,,,,3,25) grpc-default-executor-3 : INFO com.tableau.connect.grpc.GrpcProtocolService - End local request 25 /closeProtocol.
```
There are also some warning messeges at `cfjd.io.netty.util.internal.ReflectionUtil `
```
WARNING: sun.reflect.Reflection.getCallerClass is not supported. This will impact performance.
2023-10-12T21:59:50.037127 Protocol Server starting.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by cfjd.io.netty.util.internal.ReflectionUtil (file:/Users/yuriygavrilov/Library/Tableau/Drivers/flight-sql-jdbc-driver-13.0.0.jar) to constructor java.nio.DirectByteBuffer(long,int)
WARNING: Please consider reporting this to the maintainers of cfjd.io.netty.util.internal.ReflectionUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
```
### Component(s)
Java
To reproduce this error try to start arrow server with:
```
docker run --name flight-sql \
--detach \
--rm \
--tty \
--init \
--publish 31337:31337 \
--env FLIGHT_PASSWORD="flight_password" \
--pull missing \
--mount type=bind,source=$(pwd),target=/opt/flight_sql/data \
--env DATABASE_FILE_NAME="tpch_sf1.duckdb" \
voltrondata/flight-sql:latest
```
Add jdbc driver to tableau driver from `https://repo.maven.apache.org/maven2/org/apache/arrow/arrow-jdbc/13.0.0/` to local folder like `/Users/{user}/Library/Tableau/Drivers/flight-sql-jdbc-driver-13.0.0.jar`
Try to connect with this URL `jdbc:arrow-flight-sql://localhost:31337?useEncryption=true&user=flight_username&password=flight_password&disableCertificateVerification=true
`
This works fine in dbeaver ...
Contributor guide
Research direction
Start with ArrowDatabaseMetadata.java at line 758 and reproduce the failure using the provided Flight SQL Docker command, Arrow JDBC 13.0.0 driver, and Tableau connection URL. Compare the Tableau failure with the reported successful DBeaver connection and inspect the SQL dialect metadata path. Done means the Tableau getDialectProperties request no longer raises the NullPointerException.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- docker, java
- Domain
- databases
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100