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From James Stauffer <stauffer.ja...@gmail.com>
Subject Re: Clarification & More help required
Date Thu, 07 Jul 2005 12:24:55 GMT
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
<Sriram.Venkatasubramanian@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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> 
> 
> 
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> 
> to this message are intended for the exclusive use of the addressee(s)
> 
> and may contain confidential or privileged information. If you are not
> 
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> 
> Mailadmin@wipro.com immediately and destroy all copies of this message
> 
> and any attachments.
> 
> 
> 
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> 
> 
> 
> 
> 
> 
> 
> Confidentiality Notice
> 
> 
> 
> The information contained in this electronic message and any attachments
> to this message are intended
> 
> for the exclusive use of the addressee(s) and may contain confidential
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> 
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> 
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> 
> 
> Confidentiality Notice
> 
> The information contained in this electronic message and any attachments
> to
> this message are intended
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> or
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> 


-- 
James Stauffer
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