I've just ran the log4j 1.2 test suite compiled against the log4j 1.2
code base but run against the SVN HEAD and posted the results at
http://people.apache.org/~carnold/crosstest.txt.
After building the SVN HEAD and running the log4j 1.2 test suite
against log4j 1.2, you then run the test suite specifying -Dlog4j.jar
something like:
$ cd log4j12/test
$ ant runAll -Dlog4j.jar=/Users/curta/ls-svn/log4j/dist/lib/log4j-
all-1.3alpha-7.jar -Dlib.home.dir=/Users/curta/java -lib /Users/curta/
junit3.8.1/junit.jar -Dhaltonfailure=false -l cross.log
I deleted log4j12/dist/classes for good measure just to make sure I
wasn't inadvertently running against log4j 1.2 code.
Here is a quick summary of failing tests:
Serialization tests: The serialized forms of LoggingEvent are not
compatible between log4j 1.2 and 1.3.
XMLLayout: log4j 1.3 replaces the <MDC> tag with <properties>, adds
sequenceNumber attribute.
HTMLLayout: log4j 1.3 adds style attributes which cause some tests to
fail.
Test failures with UnexpectedFormatException stack traces or LOG4J-
INTERNAL in file comparisons: These cases fail due to unexpected
log4j internal logging in the generated log files.
DRFA: Throws a java.lang.VerifyError since the implementation of
o.a.l.DailyRollingFileAppender in log4j 1.3 is just a facade around
o.a.l.rolling.RollingFileAppender.
Syslog: Some unexpected changes in behavior that should be investigated.
However, over all pretty reasonable. Unfortunately the log4j 1.2
test suite doesn't have great coverage. But the results are a lot
better than a couple of thousand VerifyError's.
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