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Posted to dev@ant.apache.org by bu...@apache.org on 2004/01/08 13:43:50 UTC
DO NOT REPLY [Bug 25982] New: -
empty include task inside javac causes NullPointerException
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=25982
empty include task inside javac causes NullPointerException
Summary: empty include task inside javac causes
NullPointerException
Product: Ant
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Severity: Minor
Priority: Other
Component: Core tasks
AssignedTo: dev@ant.apache.org
ReportedBy: dawid.weiss@cs.put.poznan.pl
An empty include task inside a javac causes ANT to throw NullPointerException
when attempting to create a StringBuffer. A sample script that causes this bug
to show up (tested in ant 1.5.3 and 1.6.0):
<project name="cw1" basedir="." default="compile">
<target name="compile">
<mkdir dir="src" />
<mkdir dir="tmp/build" />
<javac srcdir="src" destdir="tmp/build">
<include/>
</javac>
</target>
</project>
Stack trace:
java.lang.NullPointerException
at java.lang.StringBuffer.<init>(StringBuffer.java:129)
at org.apache.tools.ant.types.PatternSet$NameEntry.toString(PatternSet.j
ava:126)
at java.lang.String.valueOf(String.java:2173)
at java.util.AbstractCollection.toString(AbstractCollection.java:451)
at java.util.Vector.toString(Vector.java:955)
at java.lang.String.valueOf(String.java:2173)
at java.lang.StringBuffer.append(StringBuffer.java:369)
at org.apache.tools.ant.types.PatternSet.toString(PatternSet.java:476)
at java.lang.String.valueOf(String.java:2173)
at java.lang.StringBuffer.append(StringBuffer.java:369)
at org.apache.tools.ant.types.AbstractFileSet.setupDirectoryScanner(Abst
ractFileSet.java:419)
at org.apache.tools.ant.types.AbstractFileSet.getDirectoryScanner(Abstra
ctFileSet.java:395)
at org.apache.tools.ant.taskdefs.MatchingTask.getDirectoryScanner(Matchi
ngTask.java:231)
at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:793)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:306)
at org.apache.tools.ant.Task.perform(Task.java:401)
at org.apache.tools.ant.Target.execute(Target.java:338)
at org.apache.tools.ant.Target.performTasks(Target.java:365)
at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
at org.apache.tools.ant.Project.executeTargets(Project.java:1094)
at org.apache.tools.ant.Main.runBuild(Main.java:669)
at org.apache.tools.ant.Main.startAnt(Main.java:220)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:215)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:90)
The bug is probably trivial, but still a nice thing to know your program is
fool-proof ;)
Cheers,
Dawid
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