<div dir="ltr"><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">I'm trying to use logback as my logger in my simple program but it does not work fine! I put logback/logback.xml and logback/Logback.java in the source directory logback and run through this command line</p><ul style="margin:0px 0px 1em 30px;padding:0px;border:0px;font-size:14px;vertical-align:baseline;list-style-position:initial;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial"><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">\logback>java -cp .;%CLASSPATH% Logback</li></ul><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">which the %CLASSPATH% is an environment variable that has the path of .jar file that logback needs like:</p><ul style="margin:0px 0px 1em 30px;padding:0px;border:0px;font-size:14px;vertical-align:baseline;list-style-position:initial;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial"><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">logback-access-1.1.2.jar</li><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">logback-classic-1.1.2.jar</li><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">logback-core-1.1.2.jar</li><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">slf4j-api-1.7.6.jar</li></ul><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">This is my logback.xml file</p><pre class="" style="margin-top:0px;margin-bottom:10px;padding:5px;border:0px;font-size:14px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;overflow:auto;width:auto;max-height:600px;word-wrap:normal;color:rgb(0,0,0);line-height:17.8048000335693px;background:rgb(238,238,238)"><code style="margin:0px;padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;white-space:inherit;background-image:initial;background-repeat:initial"><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><configuration></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><appender</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">name</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"FILE"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">class</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"ch.qos.logback.core.rolling.RollingFileAppender"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><file></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">test.log</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></file></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><rollingPolicy</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">class</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"ch.qos.logback.core.rolling.FixedWindowRollingPolicy"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
            </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><fileNamePattern></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">tests.%i.log</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></fileNamePattern></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
            </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><minIndex></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">1</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></minIndex></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></rollingPolicy></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><triggeringPolicy</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">class</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
            </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><maxFileSize></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">2MB</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></maxFileSize></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></triggeringPolicy></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><encoder></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
            </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><pattern></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">%date %level [%thread] %logger{10} [%file:%line] %msg%n</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></pattern></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></encoder></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></appender></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><root</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">level</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"debug"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"><appender-ref</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(255,0,0);background:transparent">ref</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,255);background:transparent">"FILE"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">/></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></root></span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent"></configuration></span></code></pre><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">and there is my simple program</p><pre class="" style="margin-top:0px;margin-bottom:10px;padding:5px;border:0px;font-size:14px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;overflow:auto;width:auto;max-height:600px;word-wrap:normal;color:rgb(0,0,0);line-height:17.8048000335693px;background:rgb(238,238,238)"><code style="margin:0px;padding:0px;border:0px;vertical-align:baseline;font-family:Consolas,Menlo,Monaco,'Lucida Console','Liberation Mono','DejaVu Sans Mono','Bitstream Vera Sans Mono','Courier New',monospace,serif;white-space:inherit;background-image:initial;background-repeat:initial"><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">import</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> org</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">slf4j</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">Logger</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">;</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">import</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> org</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">slf4j</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">LoggerFactory</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">;</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">public</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">class</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">Logback</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">{</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">private</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">final</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">static</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">Logger</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> logger </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">LoggerFactory</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">getLogger</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">(</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">Logback</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">class</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">);</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">

    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">public</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">static</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">void</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> main</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">(</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(43,145,175);background:transparent">String</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">[]</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> args</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">){</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
        </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">for</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">(</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(0,0,139);background:transparent">int</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"> i</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">=</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">0</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">;</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">i</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent"><</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">1000000</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">;</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">i</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">++)</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
            logger</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">.</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">debug</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">(</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;color:rgb(128,0,0);background:transparent">"hello"</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">);</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
    </span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">}</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">
</span><span class="" style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">}</span></code></pre><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">but unfortunately i just receive log in the console instead of test.log files. it seems the logger object just use the default configuration!!!</p><p style="margin:0px 0px 1em;padding:0px;border:0px;font-size:14px;vertical-align:baseline;clear:both;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial">If i set the -Dlogback.configurationFile=logback.xml variable as below, it works properly. but how to run without this variable?</p><ul style="margin:0px 0px 1em 30px;padding:0px;border:0px;font-size:14px;vertical-align:baseline;list-style-position:initial;color:rgb(0,0,0);font-family:Arial,'Liberation Sans','DejaVu Sans',sans-serif;line-height:17.8048000335693px;background-image:initial;background-repeat:initial"><li style="margin:0px;padding:0px;border:0px;vertical-align:baseline;background:transparent">\logback>java -cp .;%CLASSPATH% -Dlogback.configurationFile=logback.xml Logback</li></ul></div>