4
我的課程代碼如下。自定義log4j滾動附件
public class LogLevelFilterFileAppender extends FileAppender implements Cloneable{
private final static String DOT = ".";
private final static String DASH = "-";
private static final String ORIGINAL_FILE_NAME = "OrginalLogFileName";
public LogLevelFilterFileAppender() {}
public LogLevelFilterFileAppender(Layout layout, String fileName,
boolean append, boolean bufferedIO, int bufferSize)
throws IOException {
new FileAppender(layout, fileName, append, bufferedIO, 10);
new RollingFileAppender(layout, fileName,append);
}
public LogLevelFilterFileAppender(Layout layout, String fileName,
boolean append) throws IOException {
super(layout, fileName, append);
new RollingFileAppender(layout, fileName,append);
}
public LogLevelFilterFileAppender(Layout layout, String fileName)
throws IOException {
super(layout, fileName);
new RollingFileAppender(layout, fileName);
}
@Override
public void activateOptions() {
MDC.put(ORIGINAL_FILE_NAME, fileName);
super.activateOptions();
}
@Override
public void append(LoggingEvent event) {
try {
setFile(appendLevelToFileName((String) MDC.get(ORIGINAL_FILE_NAME),
event.getLevel().toString()), fileAppend, bufferedIO,
bufferSize);
}
catch (IOException ie) {
errorHandler
.error(
"Error occured while setting file for the log level "
+ event.getLevel(), ie,
ErrorCode.FILE_OPEN_FAILURE);
}
super.append(event);
}
private String appendLevelToFileName(String oldLogFileName, String level) {
if (oldLogFileName != null) {
final File logFile = new File(oldLogFileName);
String newFileName = "";
final String fn = logFile.getName();
final int dotIndex = fn.indexOf(DOT);
if (dotIndex != -1) {
newFileName = fn.substring(0, dotIndex) + DASH + level + DOT
+ fn.substring(dotIndex + 1);
}
else {
newFileName = fn + DASH + level;
}
return logFile.getParent() + File.separator + newFileName;
}
return null;
}
}
而我的log4j.properties的配置如下。
log4j.rootLogger = DEBUG, fileout
log4j.appender.fileout = com.elitecore.mediation.util.log.LogLevelFilterFileAppender
log4j.appender.fileout.layout.ConversionPattern = %d{MMMMM dd,yyyy HH:mm:ss} %-5p [ %C{1} - %M() - %L ] - %m%n
# log4j.appender.fileout.layout.ConversionPattern = %d{MMMMM dd,yyyy HH:mm:ss} %-5p %c %M():%L - %m%n
# %r [%t] %-5p %c %x - %m%n
# %d{MMMMM dd HH:mm:ss} %-5p %c %M():%L - %m%n
#%d{MMMMM dd HH:mm:ss} %6p %c %M() : %m%n
log4j.appender.fileout.layout = org.apache.log4j.PatternLayout
log4j.appender.fileout.File = /usr/local/mediation/logs/mediation-logs.log
這是爲不同日誌文件中的不同類型創建日誌,例如DEBUG,ERROR和INFO。但是它有什麼限制?它正在創建更大和更大的日誌文件。我想爲5 MB創建日誌文件,並且應刪除以前的日誌。我怎樣才能做到這一點?當我使用RollingFile Appender進行嘗試時,我只能看到下面的日誌文件。
[[email protected] logs]# ls -1
mediation-logs-DEBUG.log
mediation-logs-ERROR.log
mediation-logs-INFO.log
mediation-logs-INFO.log.1
mediation-logs-INFO.log.2
mediation-logs.log
滾動的日誌文件ERROR
,DEBUG
沒有這樣做,而是INFO
完成。
我RollingFileAppender進行嘗試。但我的問題是,當日志記錄完成時,如下所述在日誌記錄中出現一些錯誤,只有INFO日誌的滾動已完成。 '[根@管理日誌]#LS -1 調解-日誌-的debug.log 調解-日誌-error.log中 調解-日誌-info.log建立 調解-日誌-INFO.log.1 調解-日誌-INFO.log.2 mediation-logs.log' – 2012-02-03 07:11:19
@BhavikAmbani錯誤信息在哪裏? – quaylar 2012-02-03 07:14:15
@BhavikAmbani可能DEBUG和ERROR只是不夠大而無法翻轉? RollingFileAppender的類是如何看起來的? – quaylar 2012-02-03 07:17:28