tomcat 日志 java.util.logging.Logger使用 （五）

今天将代码部署到 ubuntu上面 
logging.properties文件中如果该属性设置为

.level= ALL

则在代码执行的过程中会报如下异常: 原因未知 (一般设置成INFO或以上的级别，便不会报此问题)

报异常的地方都是在 

public String format(LogRecord record) {StringBuffer sb = new StringBuffer(); //here

==============================================

Can't set level for java.util.logging.ConsoleHandlerException in thread "http-bio-8088-exec-3" java.lang.ClassCircularityError: java/lang/StringBufferat coffee.common.log.FileFormatter.format(FileFormatter.java:44)at java.util.logging.StreamHandler.publish(StreamHandler.java:179)at java.util.logging.FileHandler.publish(FileHandler.java:555)at java.util.logging.Logger.log(Logger.java:481)at java.util.logging.Logger.doLog(Logger.java:503)at java.util.logging.Logger.logp(Logger.java:619)at org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:183)at org.apache.juli.logging.DirectJDKLog.trace(DirectJDKLog.java:116)at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)at java.lang.Thread.run(Thread.java:662)Exception in thread "http-bio-8088-exec-2" java.lang.ClassCircularityError: java/lang/StringBufferat coffee.common.log.ConsoleFormatter.format(ConsoleFormatter.java:33)at java.util.logging.StreamHandler.publish(StreamHandler.java:179)at java.util.logging.ConsoleHandler.publish(ConsoleHandler.java:88)at java.util.logging.Logger.log(Logger.java:481)at java.util.logging.Logger.doLog(Logger.java:503)at java.util.logging.Logger.logp(Logger.java:703)at org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:185)at org.apache.juli.logging.DirectJDKLog.error(DirectJDKLog.java:151)at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:649)at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)at java.lang.Thread.run(Thread.java:662)Exception in thread "ContainerBackgroundProcessor[StandardEngine[Catalina]]" java.lang.ClassCircularityError: java/lang/StringBufferat coffee.common.log.ConsoleFormatter.format(ConsoleFormatter.java:33)at java.util.logging.StreamHandler.publish(StreamHandler.java:179)at java.util.logging.ConsoleHandler.publish(ConsoleHandler.java:88)at java.util.logging.Logger.log(Logger.java:481)at java.util.logging.Logger.doLog(Logger.java:503)at java.util.logging.Logger.logp(Logger.java:703)at org.apache.juli.logging.DirectJDKLog.log(DirectJDKLog.java:185)at org.apache.juli.logging.DirectJDKLog.error(DirectJDKLog.java:151)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1533)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1519)at java.lang.Thread.run(Thread.java:662)