https://issues.apache.org/bugzilla/show_bug.cgi?id=48902
Summary: log4j-extras - Enhancement : add %throwable{compact}
to EnhancedPatternLayout
Product: Log4j
Version: unspecified
Platform: PC
OS/Version: Mac OS X 10.4
Status: NEW
Severity: normal
Priority: P2
Component: Appender
AssignedTo: [email protected]
ReportedBy: [email protected]
Here is a proposal to add an intermediate way to emit throwables in the logs.
It is between '%throwable{short}' that only add the class name and message of
the given throwable and standard '%throwable' that emits the full stacktrace.
This proposed '%throwable{compact}' concatenates the class name and message of
the given throwable and its causes on the same line as the .
SAMPLES
======
NONE
-----
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy/MM/dd HH:mm:ss,SSS} %5p
[%t] %c - %m %throwable{none} %n
2010/03/12 18:39:00,083 ERROR [main] my-category - An exception occured
SHORT
-----
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy/MM/dd HH:mm:ss,SSS} %5p
[%t] %c - %m %throwable{short} %n
2010/03/12 18:37:34,580 ERROR [main] my-category - An exception occured
java.io.IOException: Exception invoking http://example.com/
COMPACT
--------
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy/MM/dd HH:mm:ss,SSS} %5p
[%t] %c - %m %throwable{compact} %n
2010/03/12 18:35:34,934 ERROR [main] my-category - An exception occured -
java.io.IOException: Exception invoking http://example.com/
java.net.SocketTimeoutException: Read timed out
STANDARD
---------
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy/MM/dd HH:mm:ss,SSS} %5p
[%t] %c - %m %throwable %n
2010/03/12 18:40:01,930 ERROR [main] my-category - An exception occured
java.io.IOException: Exception invoking http://example.com/
at ExceptionTest.main(ExceptionTest.java:11)
Caused by: java.net.SocketTimeoutException: Read timed out
... 1 more
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