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https://sourceforge.net/forum/message.php?msg_id=3322475
By: woodchuck5
hihi Henner,
just to try, i commented out *all* logging within the DbForms api. that is,
any instantiation of logCat variable like:
private static Log logCat = LogFactory.getLog();
and therefore also all calls using logCat. i then recompiled this and deployed
this logless DbForms to my application and yet it *still* causes Exceptions
because the log4j.jar and commons-logging.jar is not in the ${Tomcat}/common/lib
folder.
i am at a loss, why does this happen even when there is no logging at all?
i really want to be able to *not* have to place log4j.jar and
commons-logging.jar
in ${Tomcat}/common/lib for using DbForms...
is it because some of the (many) other jar files that we also need to deploy
with DbForms require log4j.jar and the commons-logging.jar?
the following is what the error is:
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException:
java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog
(Caused by java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog) (Caused by
org.apache.commons.logging.LogConfigurationException:
java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog
(Caused by java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog))
at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.ja
va:543)
at
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.ja
va:235)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:370)
at
org.apache.catalina.core.ContainerBase.getLogger(ContainerBase.java:380)
at
org.apache.catalina.valves.ValveBase.createObjectName(ValveBase.java:242)
at
org.apache.catalina.core.StandardPipeline.registerValve(StandardPipeline.jav
a:296)
at
org.apache.catalina.core.StandardPipeline.start(StandardPipeline.java:233)
at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4045)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:7
59)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at
org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:589)
at
org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:536
)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:471)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1102)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor
t.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at
org.apache.catalina.core.StandardService.start(StandardService.java:450)
at
org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Caused by: org.apache.commons.logging.LogConfigurationException:
java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog
(Caused by java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog)
at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryI
mpl.java:397)
at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.ja
va:529)
... 29 more
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JCategoryLog
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:164)
at
org.apache.commons.logging.impl.LogFactoryImpl$1.run(LogFactoryImpl.java:447
)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.commons.logging.impl.LogFactoryImpl.loadClass(LogFactoryImpl.java
:435)
at
org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor(LogFactoryI
mpl.java:376)
... 30 more
Sep 1, 2005 5:28:25 PM org.apache.tomcat.util.digester.Digester endElement
any thoughts?
thanks in advance!
woodchuck
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