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Posted to log4j-user@logging.apache.org by James Stauffer <st...@gmail.com> on 2005/07/07 14:24:55 UTC
Re: Clarification & More help required
AFAIK you can only use Java System properties. To set them pass them
on the Java command with "-D"
On 7/7/05, Sriram Venkatasubramanian
<Sr...@adeasolutions.com> wrote:
> Hi All,
> I am also facing similar problem ! Log4j is unable read the env
> variables. My problem is I cant hard code the path of the log file as
> C:\XXX\xxLog.log. I have to read the relative path for this purpose .
> Any idea ?
>
> I am using OC4J & log4J 1.2.11 & My log4j.xml is as below.
>
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/"
> debug="false">
> <appender name="DAO_FRAMEWORK"
> class="org.apache.log4j.DailyRollingFileAppender">
> <param name="File"
> value="$(JAVA_HOME)/DAOFramework.log"/>
> <param name="Append" value="true"/>
> <layout class="org.apache.log4j.PatternLayout">
> <param name="ConversionPattern" value="%d %-5p
> [%c{1}] %m%n"/>
> </layout>
> </appender>
> <appender name="CONSOLE"
> class="org.apache.log4j.ConsoleAppender">
> <param name="Threshold" value="INFO"/>
> <param name="Target" value="System.out"/>
> <layout class="org.apache.log4j.PatternLayout">
> <!-- The default pattern: Date Priority
> [Category] Message\n -->
> <param name="ConversionPattern"
> value="%d{ABSOLUTE} %-5p [%c{1}] %m%n"/>
> </layout>
> </appender>
>
> <!-- DAO Framework -->
> <logger name="DAO" additivity="false">
> <level value="INFO"/>
> <appender-ref ref="CONSOLE"/>
> <appender-ref ref="DAO_FRAMEWORK"/>
> </logger>
>
> <!-- Root Logger -->
> <root>
> <level value="DEBUG"/>
> <appender-ref ref="CONSOLE"/>
> <appender-ref ref="DAO_FRAMEWORK"/>
> </root>
>
> </log4j:configuration>
>
> And I am getting errors like :
>
> Oracle Application Server Containers for J2EE 10g (9.0.4.0.0)
> initialized
> log4j:ERROR setFile(null,true) call failed.
> java.io.FileNotFoundException: $(JAVA_HOME)/DAOFramework.log (The system
> cannot find the path specified)
> at java.io.FileOutputStream.openAppend(Native Method)
> at java.io.FileOutputStream.<init>(Unknown Source)
> at org.apache.log4j.FileAppender.setFile(FileAppender.java:282)
> at
> org.apache.log4j.FileAppender.activateOptions(FileAppender.java:161)
> at
> org.apache.log4j.DailyRollingFileAppender.activateOptions(DailyRollingFi
> leAppender.java:215)
> at
> org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:256)
> at
> org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:
> 219)
> at
> org.apache.log4j.xml.DOMConfigurator.findAppenderByName(DOMConfigurator.
> java:149)
>
>
>
> I am calling Logger like this in Java Code :
> Logger logger =Logger.getLogger("DAO");
> logger.info("I am inside logger"+this);
>
> Regards,
> Sriram V
>
>
> -----Original Message-----
> From: Vinodh Srinivasasainagendra [mailto:vinodh@uab.edu]
> Sent: Wednesday, July 06, 2005 9:59 PM
> To: 'Log4J Users List'
> Subject: RE: Clarification
>
> Did u try ${some_property_key} (for example, java.home or user.home
> system
> properties) to specify the path in front of the File.
>
> Ex:
>
> log4j.appender.dest2.File=${java.home}/log4j.log
>
> ~vinodh
>
> -----Original Message-----
> From: Balaji Saranathan [mailto:balaji.saranathan@wipro.com]
> Sent: Wednesday, July 06, 2005 11:06 AM
> To: 'Log4J Users List'
> Subject: RE: Clarification
>
>
> But isnt this configuring through the code? I want to configure the
> FileAppender from the log4j.properties file.
>
>
> -----Original Message-----
> From: Vinodh Srinivasasainagendra [mailto:vinodh@uab.edu]
> Sent: Wednesday, July 06, 2005 12:01 PM
> To: 'Log4J Users List'
> Subject: RE: Clarification
>
>
> See the attached code,
>
>
>
> // Set FileAppender
>
> SimpleLayout layout = new SimpleLayout();
>
> String fileName = new
> File(backupDir.getParent(),"error.log").getAbsolutePath();
>
> FileAppender appender = new FileAppender(layout,
> fileName,true);
>
>
>
> logger.addAppender(appender);
>
> logger.setLevel((Level) Level.FATAL);
>
> Date date = new Date(System.currentTimeMillis());
>
>
>
> logger.fatal(date.toString());
>
> logger.fatal(message);
>
>
> logger.fatal("***************************************************");
>
>
>
> Note:
>
> Make sure you give the parent dir to the log file properly.
>
>
>
> ~vinodh
>
> -----Original Message-----
> From: Balaji Saranathan [mailto:balaji.saranathan@wipro.com]
> Sent: Wednesday, July 06, 2005 10:47 AM
> To: 'Log4J Users List'
> Subject: RE: Clarification
>
>
>
>
>
> Tx. I tried it. It doesn't work I still get the same error. In the error
>
> below, there is a call to setFile with "null" filename. Shdnt it be
>
> called with the filename mentioned in the properties file?
>
>
>
>
>
>
>
> -----Original Message-----
>
> From: Schuweiler, Joel J. [mailto:Schuweiler.Joel@mayo.edu]
>
> Sent: Wednesday, July 06, 2005 11:38 AM
>
> To: 'Log4J Users List'
>
> Subject: RE: Clarification
>
>
>
>
>
> If can't find the path, have you tried removed the leading ./?
>
>
>
> For a path I would do
>
>
>
> logs/framework.log assuming that it is contained in the same directory
>
> that your class is running from.
>
>
>
> -----Original Message-----
>
> From: Balaji Saranathan [mailto:balaji.saranathan@wipro.com]
>
> Sent: Wednesday, July 06, 2005 10:33 AM
>
> To: 'Log4J Users List'
>
> Subject: Clarification
>
>
>
>
>
>
>
> Hi,
>
>
>
> Can you tell me if log4j creates the log file (if they are not present)
>
> when using the FileAppenders or is it the responsibility of the
>
> developers to create the log files? I have a FileAppender configured and
>
> when I configure the
>
> log4j.appender.framework.File=framework.log=./logs/framework.log
>
> I get a the following error on stdout.log
>
>
>
> log4j:ERROR setFile(null,true) call failed.
>
> java.io.FileNotFoundException: .\logs\framework.log (The system cannot
>
> find the path specified)
>
> at java.io.FileOutputStream.openAppend(Native Method)
>
> at java.io.FileOutputStream.<init>(FileOutputStream.java:177)
>
> at java.io.FileOutputStream.<init>(FileOutputStream.java:102)
>
> at org.apache.log4j.FileAppender.setFile(FileAppender.java:282)
>
> at
>
> org.apache.log4j.RollingFileAppender.setFile(RollingFileAppender.java:16
>
> 5)
>
> at
>
> org.apache.log4j.FileAppender.activateOptions(FileAppender.java:161)
>
> at
>
> org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:256)
>
> at
>
> org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java
>
> :132)
>
> at
>
> org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java
>
> :96)
>
> at
>
> org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator
>
> .java:654)
>
> at
>
> org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator
>
> .java:612)
>
> at
>
> org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConf
>
> igurator.java:509)
>
> at
>
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.j
>
> ava:415)
>
> at
>
> org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.j
>
> ava:441)
>
> at
>
> org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConver
>
> ter.java:468)
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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--
James Stauffer
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