Github user bodewig commented on the pull request:
https://github.com/apache/ant/commit/cc41d3c1611c3a091e489fc026b33afd02f7eaed#commitcomment-28526626
In src/main/org/apache/tools/ant/taskdefs/optional/net/FTP.java:
In src/main/org/apache/tools/ant/taskdefs/optional/net/FTP.java on line 962:
```
stefan@numpad:/tmp$ cat X.java
public class X {
public static void main(String[] args) {
StringBuilder x = new StringBuilder(args.length == 0 ? null :
args[0]);
System.err.println(x.append(" <--").toString());
}
}
stefan@numpad:/tmp$ java X foo
foo <--
stefan@numpad:/tmp$ java X
Exception in thread "main" java.lang.NullPointerException
at java.lang.StringBuilder.<init>(StringBuilder.java:112)
at X.main(X.java:4)
```
I'm afraid it is not.
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