Hi Jake,
Thanks for the hint. But I am afraid that is not quite that what I ment.
Looking at the example below there is the following line:
<param name="string4Construction" value="${input.file.path}"></param>
Here the parameter string4Construction gets a value from the SystemProperty
"input.file.path".
So actually if the SystemProperty's value is "MyInputFile.txt" then the
parameter string4Construction got
exactly its value "MyInputFile.txt".
The syntax ${"propertyname"} is already built in somewhere of log4j, I think,
which means that it will be looked at runtime on the System-Properties for
getting the value of the property named here.
If I knew where in the code of log4j that resolving takes place, I could may be
understand how to manage it, to give dynamigly own Properties-ojects while
run-time.
Since there was no special code needed for inventing own parameters, but
producing setter-methods in the customized appender, I believe log4j binds the
parameters by reflection.
Malte
-----Ursprüngliche Nachricht-----
Von: Jacob Kjome [mailto:h...@visi.com]
Gesendet: Freitag, 16. November 2012 18:04
An: Log4J Users List
Betreff: Re: Communcating An Own Properties-Object To log4j As Substtution For
System-Properties
Well, you can manually bind properties at configuration time by loading the
config as a properties object, adding more properties, and then calling
configure(Properties) [1]. It's not clear to me how this might be done with
XML configuration, thought I vaguely recall it being talked about in the past?
[1]
http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PropertyConfigurator.html#configure%28java.util.Properties%29
Jake
On Fri, 16 Nov 2012 15:12:18 +0100
<malte.kem...@de.equens.com> wrote:
> Hi to all (again),
> I just thought on theoretical level. My problem, using log4j in a
>mulithraded environment using
> Apender that create file names using property input could only work, if it
>is possible to give the appender (log4)
> An own properties-object, rahter than using the Systm-Properties.
> Is there a method, with that you are able to tell an apender to get an very
>own Properties-Object with out the need to change the configuration
>possibility using ${propertiesname} to address the partcular property?
>
> right now my appender configuration looks liek that:
>
> <appender name="xsd-check" class="de.cmk.log4j.NameComposingFileAppender">
> <param name="string4Construction" value="${input.file.path}"></param>
>
> <param name="inputRegex" value="(.*)"></param>
> <param name="file" value="logs/[user.name]/XSDCHECK.(0).log"
>></param>
> <param name="Append" value="false" />
> <layout class="org.apache.log4j.PatternLayout">
> <param name="ConversionPattern"
> value="%d{ISO8601} %-5p %m%n" />
> </layout>
> </appender>
>
> I would like to tell the an appender, by using a log4j-method within a
>certian application init-time.
>
> Is there something like that or is something like that planned in a later
>version of log4j?
> (Is there any chance something like that would work at all?)
>
> thanks in advancs for any hints
>
>
> Malte
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: malte.kem...@de.equens.com [mailto:malte.kem...@de.equens.com
><mailto:malte.kem...@de.equens.com> ]
> Gesendet: Freitag, 16. November 2012 13:37
> An: log4j-user@logging.apache.org
> Betreff: AW: Funny Bbehaviour Wth A Customzed Appender
>
> Hi Gary,
> finally I found the trouble. It got nothing to do with log4j itself. It is
>the stuff around my application, since I comuniate the input file names
>within Systemproperties, that are filled by one but not by the other
>application. The logger produces empty files for each, even though the other
>application not even running. I guess the cause of this is that I am using
>just one logging config for all my applcations. I probably could fix this
>behaviour by using for each application an own logger config.
>
> Inkow, using system properties is not the best choice, because they are
>global. That makes thread safety impossible. For a long term I should
>overthink the comunication of properties to my NamedFileAppender.
> Is there another way to build up a file name for the logging using things
>like input file names may be with appenders that are shiiped with log4j?
>
> Malte
>
> ________________________________
>
> Von: Gary Gregory [mailto:garydgreg...@gmail.com
><mailto:garydgreg...@gmail.com> ]
> Gesendet: Donnerstag, 15. November 2012 18:03
> An: Log4J Users List
> Betreff: Re: Funny Bbehaviour Wth A Customzed Appender
>
>
> Hi Malte,
>
> You should probably file a Bugzilla issue but I am not sure how much
> help you'll get here because you are using custom code. There you can
> attach all the files you want.
>
> Can this be reproduced in any way with a stock appender of any type like
> a rolling file appender?
>
> The best way to get anyone to help is to create a standalone program
> that illustrates the problem. Ideally, it should be a unit test that
> fails.
>
> Another question that will come up is, does using the current version,
> 1.2.17, work better? Differently?
>
> Gary
>
>
> On Thu, Nov 15, 2012 at 11:14 AM, <malte.kem...@de.equens.com> wrote:
>
>
>
> Hi to all,
> I have programmed an appender dirived from FileAppender, that is
> able to produce log-files with file names that you can controll in a
> more flexible way.
> You can use an other String, for example the input file, or
> parts of it to produce your desired log file name, seq-numbers and time
> stamps etc.
>
> My applcation, that got the log-config (actually the xml
> configuration type) is a mroe infratstuctional Programm, that calls
> other applications like converters.
> I have put all in one single log-configuration-file using the
> cusomized appender on several file processing applcations.
>
> The confguration is like this, that each processed file is
> suppose to produce one log file per application that is processing it.
>
> For one application it works pretty good. Ror another it
> produces each expected log file but produces the logs for all turns only
> in one file. The others stay empty.
>
>
>
> I am not sure what I am doing wrong and what is going on here. I
> cannot understand why in one case it works (s.FEDCONV...log) , in the
> other it does not at all (s. XSDCHECK...log).
>
> here the contend of the only filled XSDCHECK...log
> (XSDCHECK.x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.120001.000.TXT.log)
> 2012-11-15 09:33:52,594 INFO
> *****************************************
> 2012-11-15 09:33:52,594 INFO * XSD-Checker V 1.0
> *
> 2012-11-15 09:33:52,594 INFO
> *****************************************
> 2012-11-15 09:33:52,610 INFO using 'C:\tmp\Neuer
> Ordner\FED-Local\filedemon-fed-test\xsds\pacs.008.001.01.xsd' as
> XSD-File
> 2012-11-15 09:33:52,610 INFO using
> 'xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.120002.000.TXT.pacs08.xm
> l' as Input-File
> 2012-11-15 09:33:52,672 INFO
> "xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.120002.000.TXT.pacs08.xm
> l" is valid.
> 2012-11-15 09:33:52,688 INFO
> *****************************************
> 2012-11-15 09:33:52,688 INFO * XSD-Checker V 1.0
> *
> 2012-11-15 09:33:52,688 INFO
> *****************************************
> 2012-11-15 09:33:52,688 INFO using 'C:\tmp\Neuer
> Ordner\FED-Local\filedemon-fed-test\xsds\pacs.008.001.01.xsd' as
> XSD-File
> 2012-11-15 09:33:52,688 INFO using
> 'xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090004.000.TXT.pacs08.xm
> l' as Input-File
> 2012-11-15 09:33:52,719 INFO
> "xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090004.000.TXT.pacs08.xm
> l" is valid.
> 2012-11-15 09:33:52,719 INFO
> *****************************************
> 2012-11-15 09:33:52,719 INFO * XSD-Checker V 1.0
> *
> 2012-11-15 09:33:52,735 INFO
> *****************************************
> 2012-11-15 09:33:52,735 INFO using 'C:\tmp\Neuer
> Ordner\FED-Local\filedemon-fed-test\xsds\pacs.008.001.01.xsd' as
> XSD-File
> 2012-11-15 09:33:52,735 INFO using
> 'xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090005.000.TXT.pacs08.xm
> l' as Input-File
> 2012-11-15 09:33:52,750 INFO
> "xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090005.000.TXT.pacs08.xm
> l" is valid.
> 2012-11-15 09:33:52,750 INFO
> *****************************************
> 2012-11-15 09:33:52,766 INFO * XSD-Checker V 1.0
> *
> 2012-11-15 09:33:52,766 INFO
> *****************************************
> 2012-11-15 09:33:52,766 INFO using 'C:\tmp\Neuer
> Ordner\FED-Local\filedemon-fed-test\xsds\pacs.008.001.01.xsd' as
> XSD-File
> 2012-11-15 09:33:52,766 INFO using
> 'xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090006.000.TXT.pacs08.xm
> l' as Input-File
> 2012-11-15 09:33:52,781 INFO
> "xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.090006.000.TXT.pacs08.xm
> l" is valid.
> 2012-11-15 09:33:52,781 INFO
> *****************************************
> 2012-11-15 09:33:52,781 INFO * XSD-Checker V 1.0
> *
> 2012-11-15 09:33:52,797 INFO
> *****************************************
> 2012-11-15 09:33:52,797 INFO using 'C:\tmp\Neuer
> Ordner\FED-Local\filedemon-fed-test\xsds\pacs.008.001.01.xsd' as
> XSD-File
> 2012-11-15 09:33:52,797 INFO using
> 'xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.120001.000.TXT.pacs08.xm
> l' as Input-File
> 2012-11-15 09:33:52,813 INFO
> "xsdError\x.C0100.MCP.SAG.SWIFT-MAX.AC.20121106.120001.000.TXT.pacs08.xm
> l" is valid.
>
>
> here the content was filled obviously in the log-file of the
> last File beeing processed, instead of puting them to each log, that has
> already been produced.
>
> Please find attached the source code of the appender and
> dependings (*.java) , the configuration(log4j.xml), and an example of
> the logging of log4j itself (log4j-log-log).
> I am using log4j version log4j-1.2.15.jar
>
>
> Best regards and thanks for any hints in advance
>
> Malte
>
>
>
>
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