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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