On 2017-10-11 04:29, Gary Gregory <[email protected]> wrote:
> On Tue, Oct 10, 2017 at 12:42 AM, [email protected] <[email protected]
> > wrote:
>
> >
> >
> > On 2017-10-06 20:32, Gary Gregory <[email protected]> wrote:
> > > Hi,
> > >
> > > I think you will get better help if you provide a reproducible JUnit test
> > > case or program, on GitHub for example.
> > >
> > > Whenever you mention an Error or Exception, you should copy it in your
> > > message.
> >
>
> Again?
>
> Gary
>
>
> > >
> > > Gary
> > >
> > > On Fri, Oct 6, 2017 at 8:48 AM, [email protected] <
> > [email protected]>
> > > wrote:
> > >
> > > > Hi log4j2 users,
> > > >
> > > > I have created a MapMessage with a key-value pair
> > > >
> > > > e.g. userName="log4j"
> > > >
> > > > I have configured JDBCAppender with
> > > >
> > > > <Column name="userName" pattern="%K{userName}"/>
> > > >
> > > > But, it gives null pointer error when tried to insert into database
> > table
> > > > using %K/%map/%MAP
> > > > and works when you put normal message/literal string.
> > > >
> > > > Note:
> > > > 'userName' is same for Column-name, pattern and MapMessage-key as well.
> > > > Using log4j version 2.9.0
> > > >
> > > > Please help,
> > > >
> > > > Thanks,
> > > > Gaurav
> > > >
> > > > ---------------------------------------------------------------------
> > > > To unsubscribe, e-mail: [email protected]
> > > > For additional commands, e-mail: [email protected]
> > > >
> > > >
> > > 1) Test.java
> >
> > package com.test;
> >
> > import org.apache.logging.log4j.*;
> > import org.apache.logging.log4j.message.MapMessage;
> > import java.util.*;
> >
> > public class Test {
> >
> > public static void main(String[] args) {
> > dbLog();
> > }
> >
> > public static void dbLog() {
> > Logger logger = LogManager.getLogger("dbLogger");
> >
> > Map<String, String> myMap = new HashMap<>();
> > myMap.put("username", "123456");
> > logger.error(new MapMessage(myMap));
> > }
> > }
> >
> > 2) log4j2.xml
> >
> > <Configuration status="info" name="myConfig">
> > <Appenders>
> > <JDBC name="databaseAppender" tableName="temp">
> > <ConnectionFactory class="com.database.ConnectionFactory"
> > method="getDatabaseConnection"/>
> > <Column name="username" pattern="%K{username}"/>
> > </JDBC>
> > </Appenders>
> > <Loggers>
> > <Logger name="dbLogger" level="error" additivity="false">
> > <AppenderRef ref="databaseAppender"/>
> > </Logger>
> >
> > <Root level="ERROR">
> > <AppenderRef ref="Console1"/>
> > </Root>
> > </Loggers>
> > </Configuration>
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: [email protected]
> > For additional commands, e-mail: [email protected]
> >
> >
>
The pattern="%K{username}" is not working
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