public class LibraryExample {
public void processFile(String fileName) {
try {
// Code to process the file
} catch (FileNotFoundException e) {
// Handle the FileNotFoundException
} catch (IOException e) {
// Handle the IOException
} catch (Exception e) {
// Handle any other exceptions
}
}
}
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class LibraryExample {
private static final Logger logger = LogManager.getLogger(LibraryExample.class);
public void processFile(String fileName) {
logger.info("Processing file: {}", fileName);
try {
// Code to process the file
logger.debug("File processed successfully");
} catch (FileNotFoundException e) {
logger.error("File not found: {}", fileName);
} catch (IOException e) {
logger.error("IOException occurred: {}", e.getMessage());
} catch (Exception e) {
logger.error("An error occurred during file processing: {}", e.getMessage());
}
}
}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%level] %logger{1.} - %msg%n" />
</Console>
<File name="FileAppender" fileName="logs/application.log">
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%level] %logger{1.} - %msg%n" />
</File>
</Appenders>
<Loggers>
<Root level="info">
<AppenderRef ref="Console" />
<AppenderRef ref="FileAppender" />
</Root>
</Loggers>
</Configuration>
