ant-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From bode...@apache.org
Subject cvs commit: ant/xdocs faq.xml
Date Mon, 15 Mar 2004 11:23:48 GMT
bodewig     2004/03/15 03:23:48

  Modified:    .        WHATSNEW
               docs     faq.html
               src/main/org/apache/tools/ant/taskdefs Java.java
               xdocs    faq.xml
  Log:
  Don't swallow the stack trace if a Java program throws an exception.
  
  Revision  Changes    Path
  1.572     +3 -0      ant/WHATSNEW
  
  Index: WHATSNEW
  ===================================================================
  RCS file: /home/cvs/ant/WHATSNEW,v
  retrieving revision 1.571
  retrieving revision 1.572
  diff -u -r1.571 -r1.572
  --- WHATSNEW	12 Mar 2004 09:00:30 -0000	1.571
  +++ WHATSNEW	15 Mar 2004 11:23:47 -0000	1.572
  @@ -84,6 +84,9 @@
   
   * NPE when running commons listener. Bugzilla Report 27373.
   
  +* <java> swallowed the stack trace of exceptions thrown by the
  +  executed program if run in the same VM.
  +
   Other changes:
   --------------
   
  
  
  
  1.95      +18 -0     ant/docs/faq.html
  
  Index: faq.html
  ===================================================================
  RCS file: /home/cvs/ant/docs/faq.html,v
  retrieving revision 1.94
  retrieving revision 1.95
  diff -u -r1.94 -r1.95
  --- faq.html	29 Feb 2004 08:43:54 -0000	1.94
  +++ faq.html	15 Mar 2004 11:23:48 -0000	1.95
  @@ -342,6 +342,12 @@
           - they worked in Ant 1.5?
         
         </a></li>
  +                <li><a href="#java.exception.stacktrace">
  +  
  +        The program I run via &lt;java&gt; throws an exception but I
  +        can't seem to get the full stack trace.
  +      
  +      </a></li>
               </ul>
       
         <h3 class="section">Answers</h3>
  @@ -1593,6 +1599,18 @@
                           <p>
             This approach should work for ant1.5 and ant1.6.
           </p>
  +                    <p class="faq">
  +      <a name="java.exception.stacktrace"></a>
  +      
  +        The program I run via &lt;java&gt; throws an exception but I
  +        can't seem to get the full stack trace.
  +      
  +    </p>
  +                  <p>This is a know bug that has been fixed after the release of
  +        Ant 1.6.1.</p>
  +                        <p>As a workaround, run your &lt;java&gt; task with
  +        <code>fork="true"</code> and Ant will display the full
  +        trace.</p>
                       </div>
     </div>
   
  
  
  
  1.87      +14 -2     ant/src/main/org/apache/tools/ant/taskdefs/Java.java
  
  Index: Java.java
  ===================================================================
  RCS file: /home/cvs/ant/src/main/org/apache/tools/ant/taskdefs/Java.java,v
  retrieving revision 1.86
  retrieving revision 1.87
  diff -u -r1.86 -r1.87
  --- Java.java	9 Mar 2004 16:48:05 -0000	1.86
  +++ Java.java	15 Mar 2004 11:23:48 -0000	1.87
  @@ -19,6 +19,8 @@
   
   import java.io.File;
   import java.io.IOException;
  +import java.io.PrintWriter;
  +import java.io.StringWriter;
   import java.util.Vector;
   import org.apache.tools.ant.BuildException;
   import org.apache.tools.ant.ExitException;
  @@ -169,14 +171,14 @@
               if (failOnError) {
                   throw e;
               } else {
  -                log(e.getMessage(), Project.MSG_ERR);
  +                log(e);
                   return 0;
               }
           } catch (Throwable t) {
               if (failOnError) {
                   throw new BuildException(t);
               } else {
  -                log(t.getMessage(), Project.MSG_ERR);
  +                log(t);
                   return 0;
               }
           }
  @@ -792,4 +794,14 @@
           return new ExecuteWatchdog(timeout.longValue());
       }
   
  +    /**
  +     * @since 1.6.2
  +     */
  +    private void log(Throwable t) {
  +        StringWriter sw = new StringWriter();
  +        PrintWriter w = new PrintWriter(sw);
  +        t.printStackTrace(w);
  +        w.close();
  +        log(sw.toString(), Project.MSG_ERR);
  +    }
   }
  
  
  
  1.51      +15 -0     ant/xdocs/faq.xml
  
  Index: faq.xml
  ===================================================================
  RCS file: /home/cvs/ant/xdocs/faq.xml,v
  retrieving revision 1.50
  retrieving revision 1.51
  diff -u -r1.50 -r1.51
  --- faq.xml	19 Feb 2004 12:45:03 -0000	1.50
  +++ faq.xml	15 Mar 2004 11:23:48 -0000	1.51
  @@ -1409,6 +1409,21 @@
           </p>
         </answer>
       </faq>
  +
  +    <faq id="java.exception.stacktrace">
  +      <question>
  +        The program I run via &lt;java&gt; throws an exception but I
  +        can't seem to get the full stack trace.
  +      </question>
  +      <answer>
  +        <p>This is a know bug that has been fixed after the release of
  +        Ant 1.6.1.</p>
  +
  +        <p>As a workaround, run your &lt;java&gt; task with
  +        <code>fork="true"</code> and Ant will display the full
  +        trace.</p>
  +      </answer>
  +    </faq>
     </faqsection>
   
   </document>
  
  
  

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@ant.apache.org
For additional commands, e-mail: dev-help@ant.apache.org


Mime
View raw message