[jira] [Created] (LOG4J2-1949) On failover from JDBC appender, contents of buffer are not written to failover appender

["Chris Slater (JIRA)" <ji...@apache.org>]

Chris Slater created LOG4J2-1949:
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             Summary: 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
            Reporter: Chris Slater


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.  Once the buffer fills, new log entries are written to the file but buffered entries are lost if the database does not come back or the application is shut down.




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