im trying to get configure code that works in dual-use components ( java
app. or WebApp ).
My question is at bottom of post...
The following configure code works fine in a WebApp on TomCat
* * * * * * *
java code causing the exception : PropertyConfigurator
* * * * * * *
static
{
ClassLoader cl = MyFileFilter.class.getClassLoader();
PropertyConfigurator.configure(
cl.getResource(
"/log4j.properties"
)
);
}
When run from the command line in Win2000 using j2sdk1.4.2 however, the
above code causes the following exception in class=MyFileFilter.
Exception in thread "main" java.lang.ExceptionInInitializerError
at com.borneo.util.FileSelector.getFiles(FileSelector.java:25)
at com.borneo.net.soap.SAAJCallMgr.putFile(SAAJCallMgr.java:103)
at com.borneo.net.soap.SAAJCallMgr.main(SAAJCallMgr.java:140)
Caused by: java.lang.NullPointerException
at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:
424)
at
org.apache.log4j.PropertyConfigurator.configure(PropertyConfigurator.java:32
7)
at com.borneo.util.MyFileFilter.<clinit>(MyFileFilter.java:120)
... 3 more
The offending class was loaded from a JAR file that contained the
log4j.properties file in ROOT...
* * * * * * *
jar file also contains the property file
* * * * * * *
-1 Jun 18 2003 17:58 com/borneo/util/MyFileFilter.class
-1 Jun 18 2003 17:58 com/borneo/util/POProperty.class
-1 Jun 18 2003 14:30 ftp.properties
-1 Apr 27 2003 08:46 log4j.properties
Not only was the log4j.properties file in the same jar, but it is also
contained in the Root Directory where the command-line invoked the JVM...
* * * * * * *
root directory where java app. run also contains the property file
* * * * * * *
Directory of J:\po_1_2\config
06/18/2003 02:30p 1,911 ftp.properties
06/03/2003 08:58a 1,817 ftp.properties.ol
04/27/2003 08:46a 1,052 log4j.properties
Command Line launching the JVM...
J:\po_1_2\config>%java_home%\bin\java -cp "%CLIENTCLASSPATH%;."
com.borneo.net.soap.SAAJCallMgr ftp.properties
http://localhost:8080/axis/services/urn:EchoAttachmentsService
with setter for CP...
set
CLIENTCLASSPATH=F:\axis-1_1RC2\lib\axis.jar;F:\axis-1_1RC2\lib\commons-disco
very.jar;F:\axis-1_1RC2\lib\commons-logging.jar;F:\axis-1_1RC2\lib\jaxrpc.ja
r;F:\axis-1_1RC2\lib\saaj.jar;F:\axis-1_1RC2\lib\xml-apis.jar;F:\axis-1_1RC2
\lib\xercesImpl.jar;F:\axis-1_1RC2\lib\wsdl4j.jar;F:\jwsdp-1.2\jaxp\lib\jaxp
-api.jar;F:\jwsdp-1.2\jaxp\lib\endorsed\xercesImpl.jar;F:\jwsdp-1.2\jaxp\lib
\endorsed\xalan.jar;F:\jwsdp-1.2\jaxp\lib\endorsed\xml-apis.jar;F:\jwsdp-1.2
\jaxp\lib\endorsed\sax.jar;F:\jwsdp-1.2\jaxp\lib\endorsed\dom.jar;F:\jwsdp-1
.2\jwsdp-shared\lib\activation.jar;F:\jwsdp-1.2\jwsdp-shared\lib\mail.jar;F:
\jwsdp-1.2\jwsdp-shared\lib\jax-qname.jar;F:\jwsdp-1.2\jwsdp-shared\lib\name
space.jar;F:\j2sdkee1.4\lib\j2ee.jar;F:\jakarta-log4j-1.2.8\dist\lib\log4j-1
.2.8.jar;J:\ftp-bin-bundle\jftp.jar;J:\po_1_2\src\apps\util\dist\util.jar;J:
\po_1_2\src\apps\net\dist\net.jar;J:\po_1_2\src\apps\events\dist\events.jar;
J:\po_1_2\src\apps\client\dist\client.jar;J:\po_1_2\config
end OF CP * * * *
The following configure code works fine on command line but not in WebApp
* * * * * * *
java code that works OK in app. but not in WebApp
* * * * * * *
PropertyConfigurator.configure(
SAAJCallMgr.class.getResource(
"/log4j.properties"
)
);
DOES THE COMPONENT NEED TO REFLECT WHAT ITS RUN-TIME ENVIRONMENT IS (
CMD-Line, or Servlet-Context ) prior to configuring the LOG appender or is
there a single version of the code to configure LOG4J that works in either
context??
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