Cannot build java source / javacc claimed missing
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                 Key: QPID-1844
                 URL: https://issues.apache.org/jira/browse/QPID-1844
             Project: Qpid
          Issue Type: Bug
          Components: Ant Build System
    Affects Versions: M4, 0.5
         Environment: Ubuntu 8.04, Ant 1.7.0, Sun JDK 1.6.0_07
            Reporter: Marcus Schröder


When trying to build the java sources of these releases, the following error 
occurs:

BUILD FAILED
/home/mss/Desktop/qpid-0.5/java/build.xml:139: The following error occurred 
while executing this line:
/home/mss/Desktop/qpid-0.5/java/build.xml:54: The following error occurred 
while executing this line:
/home/mss/Desktop/qpid-0.5/java/broker/build.xml:35: Problem: failed to create 
task or type javacc
Cause: the class org.apache.tools.ant.taskdefs.optional.javacc.JavaCC was not 
found.
        This looks like one of Ant's optional components.
Action: Check that the appropriate optional JAR exists in
        -/usr/share/ant/lib
        -/home/mss/.ant/lib
        -a directory added on the command line with the -lib argument

Do not panic, this is a common problem.
The commonest cause is a missing JAR.

This is not a bug; it is a configuration problem


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