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java.nio.file Questions

4

Solved

If I want to do something with files only on the first level of the directory, is there a difference between using Files.list(...) or Files.walkFileTree(...) or Files.walk(...)? Files.walkFileTree...
javanio2java.nio.file
Chromaticness asked 16/6, 2016 at 11:38

2

How should you handle a FileSystemAlreadyExistsException when calling FileSystems.newFileSystem? One way would be to use the already created FileSystem (getFileSystem​), but then you could run int...
javajava.nio.file
Speiss asked 28/4, 2019 at 16:37

3

Solved

In one of my projects I have concurrent write access to one single file within one JRE and want to handle that by first writing to a temporary file and afterwards moving that temp file to the targe...
javamultithreadingatomicjava.nio.file
Bentonbentonite asked 11/8, 2014 at 7:54

4

I have a piece of code that monitors a directory for addition of files. Whenever a new file is added to the directory, the contents of the file are picked and published on kafka and then the file i...
javafilejava-8java.nio.file
Tackett asked 24/11, 2016 at 6:46

4

Solved

I'd like to use Google's JIMFS for creating a virtual file system for testing purposes. I have trouble getting started, though. I looked at this tutorial: http://www.hascode.com/2015/03/creating-in...
javajava.nio.filejimfsjsr203
Jiggermast asked 10/4, 2015 at 12:10

6

I want to watch a directory for file changes. And I used WatchService in java.nio. I can successfully listen for file created event. But I can't listen for file modify event. I checked official jav...
javafilejava.nio.file
Kassi asked 4/5, 2014 at 4:13

3

I'm using Spring Boot and have the following Component class: @Component @ConfigurationProperties(prefix="file") public class FileManager { private Path localDirectory; public void setLocalDir...
springspring-bootproperties-filejava.nio.file
Cartridge asked 25/6, 2015 at 18:40

3

Solved

I have a SpringBoot 2.0.1.RELEASE mvc application. In the resources folder I have a folder named /elcordelaciutat. In the controller I have this method to read all the files inside the folder Cla...
javaspringspring-mvcspring-bootjava.nio.file
Postbellum asked 11/4, 2018 at 11:57

2

Solved

What is the order in which Files.walkFileTree visits files/directories at the same level? It doesn't appear to visit them in order of size, last modified time or name. I couldn't find anything in ...
javafilesystemsjava-7java.nio.file
Tapp asked 1/5, 2012 at 10:47

5

Solved

I was learning java nio package and I realized there are lots of methods already provided by File which nio.Files is providing again by using Path class. Like that few more I got. I am actually not...
javaniojava.nio.file
Undeniable asked 29/4, 2012 at 12:17

1

I want to delete one file and rename another file with the old file but I am not able to move this file as java is throwing java.nio.file.FileAlreadyExistsException Following is the code snippet I ...
javajava.nio.file
Indigene asked 9/6, 2016 at 9:15

1

Solved

I have generated a Stream in Java 8 with Files.walk() method from java.nio library. The problem is that the method includes by default the root path but I do not want this element. I have solved in...
javafilterfunctional-programmingjava-streamjava.nio.file
Benedic asked 30/3, 2017 at 15:18

3

Solved

I am trying to read a large file line by line, in java, using NIO library. But this file also contains headers... try (Stream<String> stream = Files.lines(Paths.get(schemaFileDir + File...
javajava-8java.nio.file
Mornings asked 21/12, 2016 at 7:54

1

Solved

I am trying to use methods from java.nio.file.* to perform some basic file operations in a Jenkins pipeline. Regardless of the node block in which the code exists, the code executes on the master n...
javajenkinsgroovyjenkins-pipelinejava.nio.file
Terse asked 28/9, 2016 at 17:9

5

Solved

For my application, I have to write a method that takes an InputStream as argument, writes the content to a temporary file, performs some operations and finally deletes the temporary. This is what...
javatry-with-resourcesjava.nio.file
Shaner asked 2/12, 2015 at 17:36

3

Solved

I'm unable to think of a realistic use case for the method java.io.File.exists() or its equivalent in Java 7 java.nio.file.Files.exists(Path). It seems that isFile() or isDirectory() would be prefe...
javajava-iojava.nio.file
Trill asked 11/12, 2013 at 15:33

1

Solved

I've been playing around with the java.nio.file.WatchService and noticed that the Paths returned from WatchEvent.context() does not return correct .toAbsolutePath(). Here is an example application:...
javaniowatchservicejava.nio.file
Josephinajosephine asked 21/9, 2015 at 9:10

1

Solved

I am trying to create a JMeter load test. I need the test to take a sample log file and change its name. The only way I could find to do this was to copy the file in a BeanShell Preprocessor but I ...
javajmeterbeanshelljava.nio.file
Hypochlorite asked 25/8, 2015 at 10:51

1

Solved

I am using Java version 1.8.0_31. I am trying to recursively access a directory tree using the FileVisitor interface. The program should print the name of all files in C:/books whose file name sta...
javajava.nio.file
Samovar asked 10/5, 2015 at 21:57

2

Solved

Recently I was doing some coding using the java.nio.file package introduced in Java 7 and saw an example using Path like this: Path path = Paths.get("C:\\Users"); Given that Path is an interfac...
javajava-7java.nio.file
Vexillum asked 30/12, 2013 at 8:44

1

Solved

This bug is present in the latest 1.7 and 1.8 versions of the JDK (7u72, 8u25). Required: jackson-databind 2.5.0. Tested on Linux x86_64 (Ubuntu 14.10 to be precise). Code: public static void mai...
javajacksonjava.nio.file
Backscratcher asked 14/1, 2015 at 23:50

1

NOTE: Please run the exact code below; no adaptations of it, in particular, do not use File, as this bug is tied to the new java.nio.file API OK, this is not really a "question which is in need of...
javajava.nio.file
Extenuatory asked 6/12, 2014 at 2:51

3

Solved

The javadoc for .isAbsolute() says: Tells whether or not this path is absolute. An absolute path is complete in that it doesn't need to be combined with other path information in order to locat...
javajava-7java.nio.file
Kitsch asked 29/11, 2014 at 12:24

1

I have encountered a bug where one of our server applications was using more and more memory every second pretty much and I have managed to filter out a short example that still shows that behavior...
javamemory-leaksjvmjava-8java.nio.file
Judon asked 9/12, 2014 at 15:4

1

Solved

I am attempting to use createFile with a FileAttribute derived from "rw-rw-rw-". My file is being created as "rw-rw-r--" on Fedora. How can I set OTHERS_WRITE when creating a file? Example: (-&...
javaclojurejava.nio.file
Trivet asked 28/8, 2014 at 19:10
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