看一看有什么解决方法
private final static String MATCH_LEVEL = "ERROR|error|INFO|info|DEBUG|debug|WARN|warn|FATAL|fatal"; private static Logger logger = Logger.getLogger("com.huawei.mediax"); public Integer32 getHwLogLevel() throws SnmpException { Level Level = logger.getLevel(); if (Level.isGreaterOrEqual(Priority.DEBUG)) { this.hwLogLevel = new Integer32(1); } if (Level.isGreaterOrEqual(Priority.INFO)) { this.hwLogLevel = new Integer32(2); } if (Level.isGreaterOrEqual(Priority.WARN)) { this.hwLogLevel = new Integer32(3); } if (Level.isGreaterOrEqual(Priority.ERROR)) { this.hwLogLevel = new Integer32(4); } if (Level.isGreaterOrEqual(Priority.FATAL)) { this.hwLogLevel = new Integer32(5); } return hwLogLevel; } public void modifyLogfile(final Integer32 newValue) { //读取配置并组装日志文件log4j.xml的文件路径 String filePath = ""; //mdxdb模块存放log4j.xml文件目录与其他目录不一致 if (ConfigKit.getMoudleType().equals(MDXDBTYPE)) { filePath = System.getenv("SNMP_HOME") + File.separatorChar + "conf" + File.separatorChar + "log4j.xml"; } else { filePath = System.getenv("SNMP_HOME") + File.separatorChar + "conf" + File.separatorChar + "server" + File.separatorChar + "log4j.xml"; } if (logger.isDebugEnabled()) { logger.debug("The log4j.xml file path is <" + filePath + ">"); } StringBuilder builder = new StringBuilder(); try { //读写文件 File logfile = new File(filePath); BufferedReader reader = new BufferedReader(new FileReader(logfile)); if (reader.ready()) { String tmp = null; while (null != (tmp = reader.readLine())) { builder.append(tmp).append("\r\n"); if (-1 != tmp.indexOf("com.huawei.mediax")) { String loglevel = reader.readLine(); //把匹配MATCH_LEVEL中的字符串，修改为传入的字符串 builder.append( loglevel.replaceAll(MATCH_LEVEL, getLogLevelStr(newValue.getValue()))) .append("\r\n"); } } BufferedWriter write = new BufferedWriter(new FileWriter( logfile)); write.write(builder.toString()); write.close(); reader.close(); if (logger.isDebugEnabled()) { logger.debug("Changed the content :\r\n" + builder); } } else { logger.error("reader is not ready"); } } catch (FileNotFoundException e) { logger.error("Reade log4j file error", e); } catch (IOException e) { logger.error("Writer log4j file error", e); } } public void setHwLogLevel(final Integer32 newValue) throws SnmpException { this.hwLogLevel = newValue; logger.setLevel(getLogLevel(newValue.getValue())); if (logger.isDebugEnabled()) { logger.debug("set Log Level =" + getLogLevel(newValue.getValue())); } //修改日志文件 modifyLogfile(newValue); if (logger.isDebugEnabled()) { logger.debug("set Log Level success"); } }}