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From ste...@apache.org
Subject cvs commit: jakarta-ant/src/main/org/apache/tools/ant UnknownElement.java
Date Sun, 03 Feb 2002 07:49:37 GMT
stevel      02/02/02 23:49:37

  Modified:    src/main/org/apache/tools/ant UnknownElement.java
  Log:
  handy helpful tips for users, along with a 'please leave us alone' plea
  
  Revision  Changes    Path
  1.19      +32 -12    jakarta-ant/src/main/org/apache/tools/ant/UnknownElement.java
  
  Index: UnknownElement.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/src/main/org/apache/tools/ant/UnknownElement.java,v
  retrieving revision 1.18
  retrieving revision 1.19
  diff -u -r1.18 -r1.19
  --- UnknownElement.java	10 Jan 2002 11:21:19 -0000	1.18
  +++ UnknownElement.java	3 Feb 2002 07:49:37 -0000	1.19
  @@ -213,18 +213,38 @@
                                                     String elementName) {
           String lSep = System.getProperty("line.separator");
           String msg = "Could not create " + what + " of type: " + elementName
  -            + "." + lSep
  -            + "Ant could not find the task or a class this" + lSep
  -            + "task relies upon." + lSep
  -            + "Common solutions are to use taskdef to declare" + lSep
  -            + "your task, or, if this is an optional task," + lSep
  -            + "to put the optional.jar and all required libraries of" +lSep
  -            + "this task in the lib directory of" + lSep
  -            + "your ant installation (ANT_HOME)." + lSep
  -            + "There is also the possibility that your build file " + lSep
  -            + "is written to work with a more recent version of ant " + lSep
  -            + "than the one you are using, in which case you have to " + lSep
  -            + "upgrade.";
  +            + "." + lSep+ lSep
  +            + "Ant could not find the task or a class this "
  +            + "task relies upon." + lSep +lSep
  +            + "This is common and has a number of causes; the usual " + lSep
  +            + "solutions are to read the manual pages then download and" + lSep
  +            + "install needed JAR files, or fix the build file: "+ lSep
  +            + " - You have misspelt '" + elementName + "'." + lSep
  +            + "   Fix: check your spelling." +lSep
  +            + " - The task needs an external JAR file to execute" +lSep
  +            + "   and this is not found at the right place in the classpath." +lSep
  +            + "   Fix: check the documentation for dependencies." +lSep
  +            + " - The task is not an Ant core or optional task " +lSep
  +            + "   and needs to be declared using <taskdef>." +lSep
  +            + "   Fix: declare the task." +lSep
  +            + " - The task is an Ant optional task and optional.jar is absent"+lSep
  +            + "   Fix: look for optional.jar in ANT_HOME/lib, download if needed" +lSep
  +            + " - The task was not built into optional.jar as dependent"  +lSep
  +            + "   libraries were not found at build time." + lSep
  +            + "   Fix: look in the JAR to verify, then rebuild with the needed" +lSep
  +            + "   libraries, or download a release version from apache.org" +lSep
  +            + " - The build file was written for a later version of Ant" +lSep
  +            + "   Fix: upgrade to at least the latest release version of Ant" +lSep
  +            + lSep 
  +            + "Remember that for JAR files to be visible to ant tasks implemented" +lSep
  +            + "in ANT_HOME/lib, the files must be in the same directory or on the" +lSep

  +            + "classpath"+ lSep 
  +            + lSep 
  +            + "Please do not file bug reports on this problem, nor email the" +lSep
  +            + "ant mailing lists, until all of these causes have been explored," +lSep
  +            + "as this is not an Ant bug.";
  +
  +
           return new BuildException(msg, location);
       }
   
  
  
  

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