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POLog4j to create dynamic files
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18394388
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2013-08-23T03:49:50.283
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2013-08-23T06:44:59.227
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I have a file processing JAVA Code, While processing files, I want to log all the file processing details like file has this no of lines and it has some "Hello" Strings in a Seperate Log file for Each file am processing. The code I tried here works fine, but if I have 2 file like file1.txt and file2.txt.The logger logs file1.txt details in log_file1.log then while log the file2.txt in log_file2.log it retains the log_file1.log contents also in log_file2.log . File1.txt <pre><code>Hello How are you Hello How are you </code></pre> log_file1.log <pre><code>it has 2 lines and 2 Hello Strings </code></pre> File2.txt <pre><code>Hello How are you Hello How are you Hello How are you </code></pre> log_file2.log <pre><code>it has 2 lines and 2 Hello Strings it has 3 lines and 3 Hello Strings </code></pre> Code I tried : <pre><code>public class DummyLog { private static PatternLayout patternLayout = new PatternLayout("%d{ISO8601}\t%p\t%c\t%m%n"); public static Logger getLogger(String fileName, Class clazz) throws Exception { fileName = "D:/New folder/log-properties/" + fileName + ".log"; Logger logger = Logger.getLogger(clazz); FileAppender appender = new DailyRollingFileAppender(patternLayout, fileName, "'.'yyyy-MM-dd"); logger.addAppender(appender); logger.setLevel(Level.DEBUG); return logger; } } </code></pre> Main Class : <pre><code>public class TestDummyLog { public static void main(String args[]) throws Exception { for(int i = 2;i > 0;i--) { String loggerName = "Log1_"+new SimpleDateFormat("yyyyddMMHHmmssSSS").format(new Date()); Logger logger = DummyLog.getLogger(loggerName, TestDummyLog.class); logger.info("Joseph Micheal TestLogger:" +new SimpleDateFormat("yyyyddMMHHmmssSSS").format(new Date())); new TestLoggerChild().getChileStuff(loggerName); Thread.sleep(6000); } } } </code></pre> Child Class : <pre><code>public class TestLoggerChild { public static Logger logger = null; public void getChileStuff(String fileName) throws Exception { logger = DummyLog.getLogger(fileName,TestLoggerChild.class); logger.info("Child Sample info message"+new SimpleDateFormat("yyyyddMMHHmmssSSS").format(new Date())); logger.info("Class :::::: TestLoggerChild.class"); logger.debug("fileName @@@@@@@@@@@@@:" + fileName); logger.info("Sample info message"); logger.warn("Sample warn message"); logger.error("Sample error message"); logger.info("Sample info message "); logger.info("Class :::::: TestLoggerChild.class"); } } </code></pre>
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<java><log4j>
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Log4j to create dynamic files
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