DO NOT REPLY [Bug 16170] New: - NPE in XMLLayout

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=16170

NPE in XMLLayout

           Summary: NPE in XMLLayout
           Product: Log4j
           Version: 1.2
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Layout
        AssignedTo: log4j-dev@jakarta.apache.org
        ReportedBy: v_korenev@mail.ru


I called 
logger.error(e.getMessage(), e);

When exception InvocationTargetException, the message is null, XMLLayout throws
a NPE. But AFAIK logger must not throw any exception anywhere.

java.lang.NullPointerException
        at org.apache.log4j.helpers.Transform.appendEscapingCDATA(Transform.java
:74)
        at org.apache.log4j.xml.XMLLayout.format(Unknown Source)
        at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292)
        at org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.ja
va:225)
        at org.apache.log4j.WriterAppender.append(WriterAppender.java:150)
        at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)

        at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders
(AppenderAttachableImpl.java:57)
        at org.apache.log4j.Category.callAppenders(Category.java:187)
        at org.apache.log4j.Category.forcedLog(Category.java:372)
        at org.apache.log4j.Category.error(Category.java:303)
        at ru.cboss.core.util.logging.impl.Log4jLogger.error(Log4jLogger.java:69
)
. . .

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