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phneville

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How to create log files and save them on a local folder?

Apr 18, 2012 8:04 PM

Tags: #configuration #log #logger

How can I create multiple log files and save them on a local folder?

I need to create one file for each level(ERROR, INFO, etc.). How do I configure the logger to do this? Thanks.

758 Views 4 Replies Latest reply: phneville, May 2, 2012 7:42 PM

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1. anuumar,

Apr 18, 2012 10:26 PM in reply to phneville

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Hi phneville,

Please follow these steps:

1. In CRXDE, create a new folder named "config" inside /apps/<%YOUR_APP%>.
2. Inside config, create a new node with:
          Name: org.apache.sling.commons.log.LogManager.factory.config-demo
          Type : sling:OsgiConfig (select from drop down)
3. Click Finish to save changes.
4. In CRXDE, select the node apps/<%YOUR_APP%>/config/ org.apache.sling.commons.log.LogManager.factory.config-demo and add the following properties.

Property Name                                                                      Type                                                 Value

org.apache.sling.commons.log.file                                          String                                          ../logs/demo.log
org.apache.sling.commons.log.level                                        String                                          Debug
org.apache.sling.commons.log.names                                    String                                          apps.<%YOUR_APP%>
org.apache.sling.commons.log.pattern                                   String                                           {0,date,dd.MM.yyyy HH:mm:ss.SSS} *{4}* [{2}] {3} {5}

5. Add the log commands to the component file
     Eg: log.debug(“inside filename.jsp”);

6. Run the component.
7. Navigate to "<%cq-install-directory%>/crx-quickstart/logs‟.
8. Open the demo.log file to see the log statements

And you should be good to go...

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2. phneville,

Apr 18, 2012 11:44 PM in reply to anuumar

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Thanks anuumar, it works, I need multiple log file generated how do I do that? Do I create 1 org.apache.sling.commons.log.LogManager.factory node for each file?

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3. anuumar,

Apr 19, 2012 1:46 AM in reply to phneville

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In step 4, you have specified "org.apache.sling.commons.log.level" as debug.

Similarly create new nodes for various logging levels.

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4. phneville,

May 2, 2012 7:42 PM in reply to anuumar

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hi anuumar, I created a new project to test the logging to multiple log files. I created multiple configuration to generate 3 log files base on the level(PR-Error.log, PR-Debug.log, PR-Info.log). The problem is only the PR-Debug.log is being written with log information.. the two other files is empty.

Here is my current configuration:
Under the project folder I have "config" node of type sling:Folder.
Under the config node I have the following:

org.apache.sling.commons.log.LogManager.factory.config-debug
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Debug.log
org.apache.sling.commons.log.level     String     debug
org.apache.sling.commons.log.names     String[]     apps.SampleLogging#com.sample.logging
org.apache.sling.commons.log.pattern     String     {0,date,dd.MM.yyyy HH:mm:ss.SSS} *{4}* [{2}] {3} {5}

org.apache.sling.commons.log.LogManager.factory.config-error
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Error.log
org.apache.sling.commons.log.level     String     debug
org.apache.sling.commons.log.names     String[]     apps.SampleLogging#com.sample.logging
org.apache.sling.commons.log.pattern     String     {0,date,dd.MM.yyyy HH:mm:ss.SSS} *{4}* [{2}] {3} {5}

org.apache.sling.commons.log.LogManager.factory.config-info
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Info.log
org.apache.sling.commons.log.level     String     debug
org.apache.sling.commons.log.names     String[]     apps.SampleLogging#com.sample.logging
org.apache.sling.commons.log.pattern     String     {0,date,dd.MM.yyyy HH:mm:ss.SSS} *{4}* [{2}] {3} {5}

Then I also created writers for each log file:

org.apache.sling.commons.log.LogManager.factory.writer-debug
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Debug.log
org.apache.sling.commons.log.file.size     String     '.'yyyy-MM-dd
org.apache.sling.commons.log.file.number     Long     5

org.apache.sling.commons.log.LogManager.factory.writer-error
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Error.log
org.apache.sling.commons.log.file.size     String     '.'yyyy-MM-dd
org.apache.sling.commons.log.file.number     Long

org.apache.sling.commons.log.LogManager.factory.writer-info
jcr:primaryType     sling:OsgiConfig
org.apache.sling.commons.log.file     String     ../logs/PR-Info.log
org.apache.sling.commons.log.file.size     String     '.'yyyy-MM-dd
org.apache.sling.commons.log.file.number     Long

In the java file I have the following:

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

private static final Logger LOGGER = LoggerFactory.getLogger(SampleUtil.class);

then I use the the LOGGER like so:

LOGGER.debug("Debug log.");
LOGGER.info("Info log.");
LOGGER.error("Error log.");

Thanks

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How to create log files and save them on a local folder?

Apr 18, 2012 8:04 PM

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