Hi,
There is a bug in one of the the constructors of java.io.File in
JDK1.1.7a that will cause a NPE when called with a null parent
directory File argument.
Using the "new File(String, String)" constructor instead,
it is valid to pass a null parent dir, and that is what the
patch below is doing.
I encountered the NPE when running ant with JDK1.1.7 and using
jikes for an javac task.
regards,
finn
Index: src/main/org/apache/tools/ant/util/FileUtils.java
===================================================================
RCS file:
/home/cvspublic/jakarta-ant/src/main/org/apache/tools/ant/util/FileUtils.java,v
retrieving revision 1.10
diff -u -r1.10 FileUtils.java
--- src/main/org/apache/tools/ant/util/FileUtils.java 2001/11/19 14:15:43
1.10
+++ src/main/org/apache/tools/ant/util/FileUtils.java 2001/11/25 19:22:19
@@ -496,10 +496,14 @@
public File createTempFile(String prefix, String suffix, File parentDir) {
File result = null;
+ String parent = null;
+ if (parentDir != null) {
+ parent = parentDir.getPath();
+ }
DecimalFormat fmt = new DecimalFormat("#####");
synchronized (rand) {
do {
- result = new File(parentDir,
+ result = new File(parent,
prefix + fmt.format(rand.nextInt())
+ suffix);
} while (result.exists());
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