[logback-dev] [JIRA] Created: (LBCLASSIC-330) no debug info printed when problem with FixedWindowRollingPolicy

[Antony Stubbs (JIRA)]

no debug info printed when problem with FixedWindowRollingPolicy
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                 Key: LBCLASSIC-330
                 URL: http://jira.qos.ch/browse/LBCLASSIC-330
             Project: logback-classic
          Issue Type: Bug
          Components: joran
            Reporter: Antony Stubbs
            Assignee: Logback dev list
            Priority: Critical


This configuration causes no debug output to be displayed:

{code}
<configuration scan="true" scanPeriod="30 seconds" debug="true">

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <target>System.out</target>
        <encoder>
            <pattern>| [%-5level] [%date{ISO8601}] [%logger] [%thread] [%X{akkaSource}] - %msg %rootException %n</pattern>
        </encoder>sdfsadf
    </appender>

    <appender name="ROLLING" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>server.log</file>

        <!-- only keep 3 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <fileNamePattern>server.%i.log</fileNamePattern>
            <minIndex>1</minIndex>
            <maxIndex>3</maxIndex>
        </rollingPolicy>

        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <maxFileSize>1MB</maxFileSize>
        </triggeringPolicy>

        <encoder>
            <pattern>| [%-5level] [%date{ISO8601}] [%logger] [%thread] [%X{akkaSource}] - %msg %rootException %n</pattern>
        </encoder>
    </appender>

    <root level="DEBUG">
        <appender-ref ref="STDOUT"/>
        <appender-ref ref="ROLLING"/>
    </root>

</configuration>
{code}

If I remove the rolling file appender, debug output is shown.

If I remove just the rollingPolicy, debug output is shown.

If I remove just the <fileNamePattern>server-event.%i.log</fileNamePattern> the debug output is displayed and the exception about the missing field is shown.

Seems related to http://jira.qos.ch/browse/LBCORE-38 and http://jira.qos.ch/browse/LBCLASSIC-62

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