samplemessages.log4j

log4j的基本功能的实现包括属性文件的配置

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152771984" level="INFO" thread="main">
<log4j:message><![CDATA[ServerSocket before accept: ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=8001]]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152772000" level="INFO" thread="main">
<log4j:message><![CDATA[Java server with log4j, on-line!]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152772015" level="ERROR" thread="main">
<log4j:message><![CDATA[Server constructor IOException: java.net.BindException: Address already in use: JVM_Bind]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152848875" level="INFO" thread="main">
<log4j:message><![CDATA[ServerSocket before accept: ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=8001]]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152848875" level="INFO" thread="main">
<log4j:message><![CDATA[Java server with log4j, on-line!]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858437" level="INFO" thread="main">
<log4j:message><![CDATA[ServerSocket after accept: ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=8001]]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="DEBUG" thread="main">
<log4j:message><![CDATA[Client says: HELLO]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="WARN" thread="main">
<log4j:message><![CDATA[Command 'HELLO' not understood.]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="DEBUG" thread="main">
<log4j:message><![CDATA[Client says: HELP]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="DEBUG" thread="main">
<log4j:message><![CDATA[OK!]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="DEBUG" thread="main">
<log4j:message><![CDATA[Client says: QUIT]]></log4j:message>
</log4j:event>

<log4j:event logger="log4j.ServerWithLog4j" timestamp="1227152858468" level="DEBUG" thread="main">
<log4j:message><![CDATA[OK!]]></log4j:message>
</log4j:event>