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Posted to dev@commons.apache.org by bu...@apache.org on 2005/05/09 10:26:34 UTC
DO NOT REPLY [Bug 10825] -
NullPointException when Logger.getClassLoader returns null
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http://issues.apache.org/bugzilla/show_bug.cgi?id=10825
e.vogelsinger@mobilkom.at changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|FIXED |
------- Additional Comments From e.vogelsinger@mobilkom.at 2005-05-09 10:26 -------
Hithere,
using commons logging 1.0.4 this bug seems to be (again? still?) in production,
see code snippet below, lines 374/375. As soon as you have the commons in your
bootstrap classpath you're doomed, as "this.getClass().getClassLoader()" will
return null (JVM 1.4.2).
// from LogFactoryImpl.java
360: protected Constructor getLogConstructor()
361: throws LogConfigurationException {
362:
363: // Return the previously identified Constructor (if any)
364: if (logConstructor != null) {
365: return logConstructor;
366: }
367:
368: String logClassName = getLogClassName();
369:
370: // Attempt to load the Log implementation class
371: Class logClass = null;
372: Class logInterface = null;
373: try {
374: logInterface = this.getClass().getClassLoader().loadClass
375: (LOG_INTERFACE);
org.apache.commons.logging.LogConfigurationException:
org.apache.commons.logging.LogConfigurationException:
java.lang.NullPointerException (Caused by java.lang.NullPointerException)
(Caused by org.apache.commons.logging.LogConfigurationException:
java.lang.NullPointerException (Caused by java.lang.NullPointerException))
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance
(LogFactoryImpl.java:543)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance
(LogFactoryImpl.java:235)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:370)
at org.apache.commons.digester.Digester.<init>(Digester.java:346)
at Main.main(Main.java:53)
Caused by: org.apache.commons.logging.LogConfigurationException:
java.lang.NullPointerException (Caused by java.lang.NullPointerException)
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor
(LogFactoryImpl.java:397)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance
(LogFactoryImpl.java:529)
... 4 more
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.impl.LogFactoryImpl.getLogConstructor
(LogFactoryImpl.java:374)
... 5 more
Exception in thread "main"
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