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Question
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How to make ANT keep source line numbers
When I build with ANT 1.3, exceptions show source code line numbers. For example:
java.lang.Exception: com.ge.med.gemsit.rs.dise.app_server_not_available
at com.ge.med.gemsit.rs.dise.DiseServer.initialize(DiseServer.java:442)
at com.ge.med.gemsit.rs.dise.DiseServer.startServer(DiseServer.java:833)
at com.ge.med.gemsit.rs.dise.DiseServer.main(DiseServer.java:1630)
However, when I switch to ANT 1.5 or ANT 1.5.4, exceptions look like:
java.lang.Exception: com.ge.med.gemsit.rs.dise.app_server_not_available
at com.ge.med.gemsit.rs.dise.DiseServer.initialize(Unknown Source)
at com.ge.med.gemsit.rs.dise.DiseServer.startServer(Unknown Source)
at com.ge.med.gemsit.rs.dise.DiseServer.main(Unknown Source)
The build environment is not changed except for ANT_HOME and PATH to ant script.
The javac task only has srcdir, destdir, excludes attributes plus the classpath and include nested tags. Do I miss something? Thank you.
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Derived from
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A question posed by Jeff Chu
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Topics
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Tools:Build:Ant
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Author
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Eugene Kuleshov PREMIUM
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Created
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Oct 17, 2003
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Answer
You should turn it on like this:
<javac srcdir="src" destdir="target/classes"
debug="true" debuglevel="lines, vars, and source">
...
</javac>
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Comments and alternative answers
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Point of clarification
Bill Wadley, Oct 19, 2003
The debuglevel above should read:
debuglevel="lines, vars, source"
The "and" is from to ant docs.
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debuglevel in ant
dieter v. holten, Jan 7, 2004 [replies:3]
i would say, for that purpose debuglevel="lines, source" should be enough - local variable info is needed only for debugger
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Re: debuglevel in ant
Eric Schlenz, Apr 13, 2004 [replies:2]
JUST FYI!!!
I only got this to work when my debuglevel setting looked like this:
debuglevel="lines,vars,source"
NO SPACES between the debuglevel values).
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Re[2]: debuglevel in ant
Steven Kuypers, Mar 11, 2010
Thanks to all!
adding debug="true" debuglevel="lines,source" (indeed without a space between 'lines,' and 'source') in the <javac> tag solved the problem of missing line numbers.
Without it I would see
package.class(?:?) - message
and now I see
package.class(blabla.java:147) - message
Keywords: log4J missing class missing line number
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