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Posted to dev@ant.apache.org by bu...@apache.org on 2005/10/17 08:30:31 UTC
DO NOT REPLY [Bug 37112] New: -
NullPointerException with cvschangelog task
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http://issues.apache.org/bugzilla/show_bug.cgi?id=37112
Summary: NullPointerException with cvschangelog task
Product: Ant
Version: 1.6.5
Platform: All
OS/Version: All
Status: NEW
Severity: major
Priority: P1
Component: Core tasks
AssignedTo: dev@ant.apache.org
ReportedBy: rgeimer@ptc.com
I was running the CVS change log task on my repository, and got a rather
uninforming NullPointerException:
BUILD FAILED
/home/geimer/projects/aoms_build/build.xml:30: java.lang.NullPointerException
at org.apache.tools.ant.Task.perform(Task.java:373)
at org.apache.tools.ant.Target.execute(Target.java:341)
at org.apache.tools.ant.Target.performTasks(Target.java:369)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
at org.apache.tools.ant.helper.DefaultExecutor.executeTargets
(DefaultExecutor.java:40)
at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
at org.apache.tools.ant.Main.runBuild(Main.java:668)
at org.apache.tools.ant.Main.startAnt(Main.java:187)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
Caused by: java.lang.NullPointerException
at java.util.Date.after(Date.java:871)
at org.apache.tools.ant.taskdefs.cvslib.ChangeLogTask.filterEntrySet
(ChangeLogTask.java:334)
at org.apache.tools.ant.taskdefs.cvslib.ChangeLogTask.execute
(ChangeLogTask.java:263)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
at org.apache.tools.ant.Task.perform(Task.java:364)
... 10 more
I went to the ant source and added some debugging code, and was able to track
the problem down to the following place in
org.apache.tools.ant.taskdefs.cvslib.ChangeLogParser:
private Date parseDate(final String date) {
try {
return c_inputDate.parse(date);
} catch (ParseException e) {
//final String message = REZ.getString( "changelog.bat-
date.error", date );
//getContext().error( message );
return null;
}
}
When I printed the stack trace for the ParserException, I found out it was
complaining about the date format it encountered, which was "yyyy-MM-dd
HH:mm:ss" instead of the "yyyy/MM/dd HH:mm:ss" format that it was expecting. I
fixed this by adding the following code:
/** alternate input format for dates read in from cvs log */
private static final SimpleDateFormat alt_c_inputDate
= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private Date parseDate(final String date) {
try {
return c_inputDate.parse(date);
} catch (ParseException e) {
//final String message = REZ.getString( "changelog.bat-
date.error", date );
//getContext().error( message );
if (date != null){
try {
return alt_c_inputDate.parse(date);
} catch (ParseException e1){
e.printStackTrace();
return null;
}
}
return null;
}
}
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