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https://issues.apache.org/jira/browse/LOG4J2-1949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16072517#comment-16072517
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Chris Slater commented on LOG4J2-1949:
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[~garydgregory] Attached is a patch for LOG4J2-1949 and LOG4J2-1951
> On failover from JDBC appender, contents of buffer are not written to
> failover appender
> ---------------------------------------------------------------------------------------
>
> Key: LOG4J2-1949
> URL: https://issues.apache.org/jira/browse/LOG4J2-1949
> Project: Log4j 2
> Issue Type: Bug
> Affects Versions: 2.8.2
> Reporter: Chris Slater
> Attachments: LOG4J2-1949_LOG4J2-1951.patch
>
>
> With the following sample config:
> {code:xml}
> <JDBC name="AuditLog-Database" tableName="audit"
> ignoreExceptions="false" bufferSize="250">
> <ConnectionFactory class="com.example.MyConnectionFactory"
> method="getConnection"/>
> <Column name="D_TIME" isEventTimestamp="true"/>
> <ColumnMapping name="AUDIT_ID" pattern="%X{AUDIT.ID}"/>
> <ColumnMapping name="AUDIT_MESSAGE" pattern="%X{AUDIT.MESSAGE}"/>
> </JDBC>
> <RollingFile name="AuditLog-Failover-File"
> fileName="${sys:env.home}/log/failover.log"
>
> filePattern="${sys:env.home}/log/failover.%d{yyyy-MM-dd}.log"
> ignoreExceptions="false">
> <PatternLayout>
> <pattern>%d{ISO8601}| %X{AUDIT.ID}|
> %X{AUDIT.MESSAGE}%n</pattern>
> </PatternLayout>
> <Policies>
> <TimeBasedTriggeringPolicy />
> </Policies>
> </RollingFile>
> <Failover name="AuditLog" primary="AuditLog-Database">
> <Failovers>
> <AppenderRef ref="AuditLog-Failover-File"/>
> </Failovers>
> </Failover>
> {code}
> If the database fails, the contents of the buffer are not written to the
> failover log file.
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