[
https://issues.apache.org/jira/browse/KYLIN-1494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197899#comment-15197899
]
Norbert Burger edited comment on KYLIN-1494 at 3/16/16 6:42 PM:
----------------------------------------------------------------
In this specific case, the root cause appears to be that Calcite throws
java.sql.SQLFeatureNotSupportedException from getMoreResults():
https://github.com/apache/calcite/blob/master/avatica/core/src/main/java/org/apache/calcite/avatica/AvaticaStatement.java#L333
This seems reasonable, except that the default constructor
SQLFeatureNotSupportedException creates a null message, and then Workbench NPEs
trying to log that message.
Overriding getMoreResults() at the KylinStatement level to return false may be
a safer work-around. There are several other passthrough statements that also
fall into the SQLFeatureNotSupportedException hole, but they don't seem to NPE.
I believe the SQL Workbench team is also fixing up their code:
https://groups.google.com/d/msg/sql-workbench/KpruyF80--c/MPSZ4PHVCgAJ
was (Author: nburger9):
In this specific case, the root cause appears to be that Calcite throws
java.sql.SQLFeatureNotSupportedException from getMoreResults():
https://github.com/apache/calcite/blob/master/avatica/core/src/main/java/org/apache/calcite/avatica/AvaticaStatement.java#L333
This seems reasonable, except that the default constructor
SQLFeatureNotSupportedException creates a null message, and then Workbench NPEs
try logging to message.
Overriding getMoreResults() at the KylinStatement level to return false may be
a safer work-around.
> JDBC throws NPE when connect to SQL workbench
> ----------------------------------------------
>
> Key: KYLIN-1494
> URL: https://issues.apache.org/jira/browse/KYLIN-1494
> Project: Kylin
> Issue Type: Bug
> Reporter: liyang
> Assignee: Dong Li
>
> SQL Workbench seems not to play well with the Kylin JDBC driver (every query
> throws an NPE at workbench.sql.SqlCommand.processResults).
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
