Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/incubator-flink/pull/3#discussion_r13617314
--- Diff: stratosphere-runtime/src/main/java/eu/stratosphere/pact/runtime/cache/FileCache.java ---
@@ -93,6 +104,35 @@ public void shutdown() {
}
}
+ public static void copy(Path sourcePath, Path targetPath, boolean executable) throws IOException {
+ FileSystem sFS = sourcePath.getFileSystem();
+ FileSystem tFS = targetPath.getFileSystem();
+ if (!tFS.exists(targetPath)) {
+ if (sFS.getFileStatus(sourcePath).isDir()) {
+ tFS.mkdirs(targetPath);
+ FileStatus[] contents = sFS.listStatus(sourcePath);
+ for (FileStatus content : contents) {
+ String distPath = content.getPath().toString();
+ if (content.isDir()) {
+ if (distPath.endsWith("/")) {
+ distPath = distPath.substring(0, distPath.length() - 1);
+ }
+ }
+ String localPath = targetPath.toString() + distPath.substring(distPath.lastIndexOf("/"));
+ copy(content.getPath(), new Path(localPath), executable);
+ }
+ } else {
+ try {
+ FSDataOutputStream lfsOutput = tFS.create(targetPath, false);
+ FSDataInputStream fsInput = sFS.open(sourcePath);
+ IOUtils.copyBytes(fsInput, lfsOutput);
+ new File(targetPath.toString()).setExecutable(executable);
+ } catch (IOException ioe) {
--- End diff --
Can you add a comment here? Why are you swallowing the exceptions here? It is very likely that an exception is thrown here, and the user should know.
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