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From "Brian O'Halloran" <bohallo...@reference-info.com>
Subject Re: ant MSG_ERR does not appear to be generated
Date Tue, 30 Dec 2003 12:39:39 GMT
Got it, thanks!!

On Tue, 2003-12-30 at 07:06, Peter Reilly wrote:
> | Am I confusing Project.MSG_ERR with "event at error level"?
> No,  I meant Project.MSG_ERR.
> 
> You need to change your build listener to handle the
> priority of buildFinished event.
> 
> The reason for the change in ant 1.6.0 in the messages was that:
> 
>   <target name="compile"
>         description="compile the source " >
>     <!-- Compile the java code from ${src} into ${build} -->
>     <javac srcdir="${src}" destdir="${dist}"/>
>   </target>
> 
> Would generate MSG_ERR log events, (for the compiler messages sent on
> the standard error stream) and 
> 
>   <target name="compile"
>         description="compile the source " >
>     <!-- Compile the java code from ${src} into ${build} -->
>     <javac srcdir="${src}" destdir="${dist}" fork="yes"/>
>   </target>
> 
> Would generate MSG_WARN log events for the same messages.
> 
> This was of course wrong, so ant needed to make an incompatible change
> - either all standard error stream output should be at MSG_ERR level or
> all at MSG_WARN level. It was felt that
> it would be better to be all at MSG_WARN level.
> 
> Peter
> 
> 
> Brian O'Halloran wrote:
> 
> >Peter -- I think I understand, however I'm still a little confused and
> >unable to find a way to trap an event at error level.  Attached is some
> >simple code to illustrate my example.
> >
> >To run, first compile Listner.java and then run as "ant -listener
> >Listener", this should generate a compile error, which should in turn
> >generate a Project.MSG_ERR == 0.
> >
> >Examine the generated file "testlistener.txt", there are no entries for
> >"0".
> >
> >Can you please confirm my findings.  Any thoughts on how to trap an
> >event at error level?
> >
> >Am I confusing Project.MSG_ERR with "event at error level"?
> >
> >Thanks,
> >Brian 
> >
> >On Mon, 2003-12-29 at 10:19, Peter Reilly wrote:
> >  
> >
> >>This was changed in ant 1.6.0.
> >>
> >>The problem was that the event priority of std error has been changed
> >>from err to warning as sometimes it was output at error level and
> >>sometimes it was output at warning level (when fork or exec was used).
> >>
> >>There should still be an event at error level:
> >>ant -find compile.xml -logger org.apache.tools.ant.XmlLogger
> >>
> >>generates the following:
> >> <build time="1 second" error="/home/preilly/learning/ant/compile.xml:3: 
> >>Compile failed; see the compiler error output for details.">
> >>    <task name="mkdir" 
> >>location="/home/preilly/learning/ant/compile.xml:2: " time="0 
> >>seconds"></task>
> >>    <task name="javac" 
> >>location="/home/preilly/learning/ant/compile.xml:3: " tim
> >>......
> >>
> >>Peter
> >>Brian O'Halloran wrote:
> >>
> >>    
> >>
> >>>I recently converted to ant 1.6.0 from 1.5.4.
> >>>
> >>>Part of our build process writes build PASS/FAIL to a postgresql db.
> >>>
> >>>I have implemented an ant listener that looks at logged messages and
> >>>determines if any errors occur during the build;
> >>>
> >>>   public void messageLogged(BuildEvent event) {
> >>>
> >>>       // check all messages for build errors
> >>>       if(event.getPriority() == Project.MSG_ERR)
> >>>           buildStatus = "F";
> >>>
> >>>   }
> >>>
> >>>When I invoke ant with -listener and there are javac compile errors, I
> >>>find that event.getPriority() never sees any MSG_ERR type messages.
> >>>
> >>>I'm mostly seeing MSG_VERBOSE and MSG_DEBUG with a much smaller number
> >>>of MSG_WARN and MSG_INFO, but never any MSG_ERR.
> >>>
> >>>With ant 1.5.4 MSG_ERR would always be generated with a javac compile
> >>>error.
> >>>
> >>>Anyone else seeing this behaviour with 1.6.0?  Should I be looking for
> >>>errors by some other mechanism?
> >>>
> >>>Brian O'Halloran
> >>>
> >>>
> >>>
> >>>---------------------------------------------------------------------
> >>>To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> >>>For additional commands, e-mail: user-help@ant.apache.org
> >>>
> >>>
> >>>
> >>> 
> >>>
> >>>      
> >>>
> >>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> >>For additional commands, e-mail: user-help@ant.apache.org
> >>    
> >>
> >>------------------------------------------------------------------------
> >>
> >><project name="TestListener" default="compile" basedir=".">
> >>    <description>
> >>        test listener for MSG_ERR
> >>    </description>
> >>  <!-- set global properties for this build -->
> >>  <property name="src" location="."/>
> >>  <property name="dist"  location="."/>
> >>
> >>  <target name="compile"
> >>        description="compile the source " >
> >>    <!-- Compile the java code from ${src} into ${build} -->
> >>    <javac srcdir="${src}" destdir="${dist}"/>
> >>  </target>
> >>
> >></project>
> >>
> >>    
> >>
> >>------------------------------------------------------------------------
> >>
> >>
> >>import org.apache.tools.ant.BuildListener;
> >>import org.apache.tools.ant.BuildEvent;
> >>
> >>import java.io.IOException;
> >>import java.io.FileWriter;
> >>import java.io.PrintWriter;
> >>
> >>/**
> >> * Created by IntelliJ IDEA.
> >> * User: briano
> >> * Date: Dec 29, 2003
> >> * Time: 6:18:36 PM
> >> * To change this template use Options | File Templates.
> >> */
> >>public class Listener implements BuildListener{
> >>
> >>    PrintWriter fileOut;
> >>
> >>    public void buildStarted(BuildEvent event) {
> >>
> >>        try {
> >>            fileOut = new PrintWriter( new FileWriter( "testlistener.txt" ) );
> >>        } catch (IOException e) {
> >>
> >>        }
> >>
> >>    }
> >>
> >>    public void buildFinished(BuildEvent event) {
> >>
> >>        fileOut.close();
> >>
> >>    }
> >>
> >>    public void targetStarted(BuildEvent event) {
> >>    }
> >>
> >>    public void targetFinished(BuildEvent event) {
> >>    }
> >>
> >>    public void taskStarted(BuildEvent event) {
> >>    }
> >>
> >>    public void taskFinished(BuildEvent event) {
> >>    }
> >>
> >>    public void messageLogged(BuildEvent event) {
> >>
> >>        fileOut.println(event.getPriority());
> >>
> >>    }
> >>
> >>
> >>}
> >>    
> >>
> >>------------------------------------------------------------------------
> >>
> >>
> >>/**
> >> * Created by IntelliJ IDEA.
> >> * User: briano
> >> * Date: Dec 29, 2003
> >> * Time: 6:29:08 PM
> >> * To change this template use Options | File Templates.
> >> */
> >>public class TestListener {
> >>
> >>    foo;
> >>
> >>}
> >>
> >>    
> >>
> >>------------------------------------------------------------------------
> >>
> >>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
> >>For additional commands, e-mail: user-help@ant.apache.org
> >>
> 
> 
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