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https://issues.apache.org/jira/browse/LOG4J2-1839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16389019#comment-16389019
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Gary Gregory commented on LOG4J2-1839:
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Hi [~tamas.misik],

Would you mind providing a PR on GitHub? 
[https://github.com/apache/logging-log4j2]

Thank you,
Gary

> JdbcAppender.createAppender deprecated
> --------------------------------------
>
>                 Key: LOG4J2-1839
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1839
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: Appenders
>    Affects Versions: 2.8.1
>            Reporter: Krzysztof Szymko
>            Priority: Major
>
> As I was migrating 2.7 to 2.8.1  I followed JdbcAppender.<B>newBuilder() API 
> to build JDBC appender:        
>  return JdbcAppender.<B>newBuilder()
>             .setBufferSize(bufferSizeInt)
>             .setColumnConfigs(columnConfigs)
>             .setConnectionSource(connectionSource)
>             .setTableName(tableName)
>             .withName(name)
>             .withIgnoreExceptions(ignoreExceptions)
>             .withFilter(filter)
>             .build();
> But then I got NPE from JdbcDatabaseManagerFactory @ 275, since
> I did not set any columnMappings. After providing 
> .setColumnMappings(columnMappingJDBC)
> to my builder it worked OK. I would suggest to either improve the javadoc or 
> add NULL check in JdbcDatabaseManagerFactory.createManager
> as JdbcAppender javadoc says that ColumnMapping is optional:
> This Appender writes logging events to a relational database using standard 
> JDBC mechanisms. It takes a list of
>  * {@link ColumnConfig}s and/or {@link ColumnMapping}s with 



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