File mkdir returns false. canRead(); and for /home directory, this returns false.

File mkdir returns false Most methods of java. MEDIA_MOUNTED. 0" encoding="ut Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers The PHP version is 5. mkdirs(); return false. mkdirs() always return false I don't know why! I even have added permission in manifest like this : <?xml version="1. You can either check if the file exists already, and then do something different (delete it, or whatever), or just ignore this return if the The difference is described in java docs. The really strange thing about this, in my opinion, is that it Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. " mkDir() returns only true if mkDir() creates it. Currently, my program doesn't seem to be able to overwrite the directory. Read here. If the dir exists, it returns false, so to verify the dir you created, only call exists() if mkDir() return false. createDirectory(path): Creates a new directory. mkdir() and file. The exception block is not called. getExternalStorageDirectory(). java android file makefile mkdir Share Improve this question Follow You wouldn't use mkdirs() unless you wanted each of those folders in the structure to be created. File. For your information, I am in an office network. isdir(directory) == False: os. mkdirs(). When I ran: os. getPath() instead. First it will check whether the dir already exists, if it does, it will just skip. exists() check. This can be frustrating, especially if no exceptions are thrown. path. Since Android 6 the permission handling has changed as stated: Exception 'open failed: EACCES (Permission denied)' on Android or Android permission doesn't work even if I have declared ftp_mkdir returns false if the server returns a problem. File just return a boolean, without telling you what went wrong. This has two bad properties: (1) It is actually difficult to tell, after a call to mkdir, whether the directory exists, which is usually of greater interest than whether the transition from nonexistent to existent occurred. First, it's better if you don't reference the /sdcard path directly. I am using Zend Server with Apache. here is mkdir return false in android? Ask Question Asked 9 years ago Modified 9 years ago Viewed 505 times Part of Mobile Development Collective First off, I want to specify that I do have <uses-permission android:name="android. And I can't find a java. I am targeting api 21 (for compatibility sake) and it worked on lollipop but on marshmallow it would not create the directory. In various places we use java. Why is that? Based on my understanding, the file is a regular file and the directory is readable by all. 12 ( under WAMP 2. – DIRTY DAVE But myDir. permission. WRITE_EXTERNAL_STORAGE" /> in manifest. 0) using JUnit, I used a trick which is to use a valid path name, but with inexistent drive letter (P: for example) under Windows. mkdirs() returns falseTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"As I promised, I have a secret f This code checks for the existence of the directory first and creates it if not, and creates the file afterwards. mkdirs() method is specified to create the directory, and all its parents, if they don't exist. The File class is this one right?Symfony\Component\HttpFoundation\File\File, there is no method named makeDirectory in that class. If the Manifest已经配置权限，代码中也动态获取权限，mkdirs一直返回false，最后找到原因是path的路径使用的是Environment. Making statements based on opinion; back them up with File. This method creates the directory named by this abstract pathname. createTempDirectory(prefix); Before JDK 7 this should do it: public static File createTempDirectory() throws IOException { final I tried checking the permissions and they are in fact 0777 (I made them 0777 as a stop gap measure to fix the problem). I get root_path by: public static final String Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers If you are using JDK 7 use the new Files. exists() returns false: Return True if path refers to an existing path or an open file descriptor. exists(path)" method returns False on an existing file path. Please note that I couldn't verify some of your method calls as I don't have your complete code, so I'm assuming the calls to things like getTimeStamp() and getClassName() will work. e. All it returns is the boolean success flag for if creating the directory was successful or not. Mkdir() always returns false. The folder does is not created. getPath()， mkdir return a Boolean value. in it. As such, the following race condition exists: File tmpDir = File. The check for the existence of the I had this issue when referencing a directory using "~" to represent the home directory on Ubuntu. This can be In class java. In the app, before making the next request, I check if I can read the file using file. String) method denies read Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. mkdir needs the abstract path, not the relative path. assertThat() will checks the result and fails if exists() returns false. Here's the code which worked for me. file. I found out that in my application, multiple threads are trying to create folder and if two threads are simultaneously trying to create folder with the same name, I see this mkdirs() behavior, otherwise its fine. 5. You should be For example, the File. Specifically, if no file exists at path "a/b/c", then the I want to make dir in Sdcard, and i do follow: I added: <uses-permission android:name="android. isFile()); For some reason, the output is always false. mkdirs() is essentially an atomic operation: there is really no point in trying to out-think it. isDirectory() test just in case. mkdir() too, but without change if As you can see from baseFolder. – Kevin W Commented Jan 27, 2016 at 14:29 File f = new File("/tmp/test. mkdir() only makes one directory, AND if it fails, you don't get an exception, it returns 'false'. Even though it did not exists at that when i use mkdir inside an Android system service, it returns false. mkdirs() returns false if the directory already existed. mkdir(dirname) and got OSError: [Errno 17] File exists: '<dirname>'. Path tempDirWithPrefix = Files. Note that if this operation fails i It returns false. Use the following to see where the code is looking in (file directory): import os print(os. Store avatar: mkdir returns false when the directory already exists ( on Windows ) 0 php code mkdir() not working and no errors 0 PHP mkdir not working as expected 2 mkdir giving a 'File exists' warning, even though i call is_dir before attempting to create diriectory mkdirs only returns false , i can't figure what is happen, any help will be appreciated android mkdir android-external-storage Share Android: mkdirs()/mkdir() on external storage returns false 3 can't create a folder in external storage on android device 4 5 Android : Android file. getExternalStorageDirectory() is deprecated in API level 29 My code is pr For Android Q, you can add android:requestLegacyExternalStorage="true" to your element in the manifest. mkdir() will return false if the target exists. In this case, the solution is wrap the path in os. 2 (pre kitkat new security) the command returns false even though the new folder does not exist newfolder is a string variable that comes from a folder choosing File. Making statements based on opinion; back them up with Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Teams OverflowAPI Train & fine-tune LLMs The mkdir() method is a part of File class. 1 I am always getting this error: ErrorException in Local. boolean success = myDir. From java doc: - true if the directory was created It seems like there is a difference on how the path is specified in Java. To ensure our directory doesn’t exist yet, we first used the exists () method. mkdirs() method − public boolean mkdirs() Parameters NA Return Value The method returns true if the directories was created, with all necessary 如果目录已经存在，mkdir 和 mkdirs 返回 false，因此这可能是失败的原因之一。 如果您使用的是 Java 7，则可以使用 Files 类。它会在错误时抛出一个 IOException 并提供非常好的描述。 So in summary: File. mkdir is not working and I can't understand why 10 Java - mkdir() not writing directory 1 Can't create file. The question is why and what can I do to fix it? java android file android-external-storage mkdirs Share Improve this question Follow asked Jul 22, 2016 at 8:43 Solace Solace 9,012 26 26 gold @Ayush If path + "\\TheFile. Can't reproduce. delete() method returns false if the file could not be successfully deleted (rather than throwing an Exception). mkdirs() returns false Hot Network Questions Did I accidentally delete files? How can I recover them? Question about divergence free vector fields Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Does the servlet can even access that directory directly? There are three things to consider here: Don't assume that the sd card is mounted at /sdcard (May be true in the default case, but better not to hard code. Declaration Following is the declaration for java. toString() (baseFolder is of type URI and is correct). This post is about how to make try-catch-finally friendly system calls. mkdir is not working and I can't understand why 10 Java - mkdir() not writing directory 13 File. I found out I have to use os. mkdirs which creates all the necessary directories. I want to write a simple check upon running mkdir to create a dir. getExternalStoragePublicDirectory(Environment. mkdirs() Always return false 22 mkdir() is not creating the new directory 0 Java File mkdir gives false result Hot Network Questions On a light aircraft, should I turn off the anti-collision light (beacon/strobe light) when I stop the For those not as experienced like me. I fought this issue, lost hair for some time. mkdir () 会返回false。 ③没有足够的存储空间：设备可能没有足够的空间来创建新目录。 ④ 文件系统 已满：文件系统可能已经满了，没 The mkdir() method is a part of File class. mkdirs() will return false if any directory in the path was not created (e. So: Don't call file. Very By the way Environment. mkdirs() always returns false. I have provided as the necessary permissions,the App is targeting API 29. Hi, Not sure if anyone can resolve this, but I've been scratching my head all day. listFiles() suggests that null will ONLY be returned in the case that the file calling it is not a directory. 04 and 23. mkdirs() creating a directory instead of a file 1 Can't create file. MEDIA I made a little file explorer in my app and I want to support creating new folders. It works!!! public static The function appears to not be recursive. IO. But a programmer has the facilities to see if a directory exists (File This vulnerability exists because File. I am simply trying to upload a file to a remote server using 'ftp_put' Tek-Tips is the largest IT community on the Internet today! Members share and learn making Tek-Tips Forums the File bar = new File("asdf"); bar. . File#mkdir Search by APIs Search by Words Search Projects Most Popular Top Packages Top Classes Top Methods Top Projects Java Python JavaScript TypeScript C++ Scala Blog Available Methods Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand RawLocalFileSystem. I am sure I am missing something stupid, but I already tried all StackOverflow and Google answer, and didn't manage to make it work. I have a small test program for the Raspberry Pi HQ Camera that I use to calibrate the aperture and focus for different lenses and recently found that the "os. I am sure I am missing something stupid, but I already tried all StackOverflow and Google answer, and didn’t manage to make it work. in/dismXJVP Join the On this document we will be showing a java example on how to use the mkdir() method of File Class. configFile. For this reason, we can safely I am trying to see if a file exist in the storage folder. So you need to look what changed at the server. File Stack Overflow for Teams Where developers & Both functions exists and mkdirs return false. every thing is working fine on Android 10 and lower. mkdirs() returns true if the directory was created, or false on failure OR if the directory already existed, hence the !f. exists() after the mkdir() call (or even mkdirs() ) ②目录已存在：如果目录已经存在，File. mkdir（）方法的聲明： public boolean mkdir () Parameters NA Return Value 如果創建目錄成功，方法返回true，否則該方法返回f Java Python Ruby MySQL 位置：首頁 > Java技術 > This vulnerability exists because File. Then, usually, create the directory using File. mkdir() || file. This is a great question. The base folder actually exists. getParent(). What's wrong? php linux Share Improve this question Follow asked May 22, 2015 at 12:21 khernik khernik 2,091 2 2 gold badges 30 30 silver 55 1 This is driving me crazy. exists(); will return false. A similar problem occurs when the operations are performed in the opposite order; when the directory is made first, the "createNewFile()" function returns false. " So basically. CopyFile(photo, P, False) MsgBox ("Your photos have been imported") Excel VBA - MkDir returns "Path not Found" when using variable 2 Path not found when creating a file-VBA 3 os. If you have multiple clients calling the php file simultaneously, the multiple instances of the script may all get false from file_exists, and then in parallel try to call mkdir (where all but the first script to win the race will get the exception) – faffaffaff In the MSDN documentation for System. os. file. ofc you can use other things to handle the As solved in the comments, the answer is that the permission was missing. Making statements based on opinion; back them up with I want make directory and file in device. From this basis, your file either doesn't exist or is not a normal file. I was getting file_exists == FALSE (inside Composer autoload), but if I copied the filepath into terminal - it did exist! into terminal - it did exist! When I run the code, mkdirs() returns false and the directory specified in reportPath is not created. separator + newFolderName). mkdir The File. mkdirs() Always return false 22 mkdir() is not creating the new directory 0 Why isnt Java mkdirs working properly? 3 File. Try using File. In case the return value is false an So I'm trying to make a map to store some files in a dir that is made at the beginning of the program. But on windows there is still a problem, because the directory is never made. Someone please help on this. But, finally, I think I found a solution (may be workaround). " , ". checkRead(java. FileSystemObject Call FSO. mkdirs() is ignored. 2. You may have to try directory. Calling exists() is just wasting time. getcwd()) Then you can either put the file you're looking for in that directory or change the code to the file directory which According to the documentation: public boolean isFile() Returns: true if and only if the file denoted by this abstract pathname exists and is a normal file; false otherwise. Returns: true if and only if the directory was created; false otherwise I would accept that the API could be improved in this respect. getParentFile(). print(f. It's possibly because File. mkdirs() Always return false 22 mkdir() is not creating the new directory 3 File. I did have the "uses" permission in the manifest but it still This is a pretty old question but I bumped into this issue of the failing is_dir() function with Ubuntu 22. mkdir() and mkdirs() are creating file instead of directory 1 Can't create file. getExternalStorageDirectory(); You You can set a success variable if the command succeeds using &&. Returns: true if and only if the file denoted by this abstract pathname exists and is a normal file; false otherwise Throws: SecurityException - If a security manager exists and its SecurityManager. Throws: SecurityException – If a security manager exists and its SecurityManager. WRITE_EXTERNAL_STORAGE" /> specified in my manifest, and I do check Environment. File, the mikdir method seems to return false if the directory in questions already exists. ---> do we need to add any proxies? Recursive directory creation based on full path. mkdir returns false when it fails to create a directory, it does not throw an exception. @return true if and only if the directory was created; false otherwise Files. println(answer); will return "false" Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Ergo there's no point in calling exists(). Your Generated path is /storage/emulated I can create directories in my hadoop using: hadoop fs -mkdir /test/input. In this case FILE. Try not adding the extra slash on the end of your string and see if that works. If the dir doesn't exist, it will run mkdir, if mkdir fails (meaning the script could not create the dir because it does not have I'm using your Android-XML-to-PDF-Generator api, but on android 10 and 11 the pdf is not displayed and this message appears in the log: Folder is not created. mkdirs() methods in Java, it's common to encounter a situation where these methods return false, indicating that the directory was not created. The function returns true if directory is created else returns false. 5 ) I want to create a directory recursively , it is on my development computer Windows7 at the moment but the production system is Linux : define('RP_MAI File. You will have to make the entire directory tree, down to your directory that you want to create. mkdirs(); is returning that success flag. I am trying to store avatar for users. access , which might use different permissions and so obtain a different result. From the documentation: returns true if the necessary directories have been created, false if the target directory already exists or one of the directories can not be created. When I install my app, it's asking for the write access so the right should be ok. Just curious why this is happening. Provide details and share your research! But avoid Asking for help, clarification, or responding to other answers. Secondly, in Android 6, not only do you need: <uses-permission android I have Uri image which I store from ActivityOnResult. I eliminated The mkdir unfortunately returns false, and the exception is thrown. FACT: The is_dir() function in PHP will fail (i. Existence will get checked anyway. mkdir() method − public boolean mkdir() Parameters NA Return Value The method returns true if the directory is created, else the Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. mkdir creates the directory only if the parent directory exists. Obviously, if you are not checking the return code you wont see this problem until you get an IOException if you try to create a file in the directory that you think that you created. Just ignore the cases where File. chdir I simple just can't get this to work in Laravel 5. will work. File file=new File(uri. mkdirs() returns false 2 mkdir() or mkdirs() not working on Android API 26 Hot Network Questions Consequences of the false assumption about the existence of a population distribution in the statistical inference, when working with real-world data Mkdirs() function is not working on Android 11. mkdir I request file. Function Signature: public boolean mkdir() Syntax: file. I tested in my case. Is there any way of forcing the overwrite? private boolean Returns: true if and only if the file denoted by this abstract pathname exists and is a normal file; false otherwise Throws: SecurityException - If a security manager exists and its SecurityManager. For example, if the file path is specified as file:/C:/DEV/test. I would like to remove this image few steps later. If the directories already exist then mkdirs() will continue to return false. When I install my app, it’s asking for the write access so the right should be ok. Working on android Java, recently updated SDK to API level 29 now there is a warning shown which states that Environment. listdir confirms this (['test']). mkdir() return false. The weird thing is that baseFolder is created as well with So in summary: File. , presumably because the dot is stripped there as well) and os. mkdir() returns false. Possible reasons of the 1st:. In my local environment, it is working perfect. My PHP command is Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand OverflowAI GenAI features for Perhaps you want to check first if the Directory exists before creating it in the first place. mkdirs() doesn't work all the time 2 Java - File - mkdirs doesn I am trying to create a directory using File. mkdirs() is returning false PDF file is not existing in storage. How did you create this directory? My Windows 7 (32 bit) strips the dot, no matter whether I use mkdir or the explorer, I always end up with test. The problem is that if I have a file with the same name as my directory but the directory doesn't exists, then mkdir() will return false, even When I'll try to check if a file exists in Laravel 5. File permissions on Pi: pi@ Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. out. (Here ‘exists’ is in the sense of the system's stat call: a file will be reported as existing only if you have the permissions needed by stat. we need to catch the return value from mkdir . For example final File newFile = new File("/mnt/sdcard/test"); newFile. I have tried all kinds of syntaxes but both mkdir() and mkdirs() return false. When the gallery page is created it should create a folder for the user Butm the return statement always returns false and the file is not uploaded on the server. That happens when the path you are trying to check is a non-working symlink. If you want to know whether the directory exists on return, either use (file. Making statements based on opinion; back them up with I made an edit to the post above. And if you don't create a file in this non In class java. You can get the location of sdcard by querying the system: Environment. toString The Java File mkdir() creates the directory named by this abstract pathname. I have the following directory structure I need mkdirs to return false in a specific test unit, and since I cannot mock File class in Java using Mockito 1 (prior to version 2. File. When you delete the directory, rename it and delete. ) will be gone Share Improve this answer File. You can set a flag and perform the 'mkdir' and double check the success all on one line like this: set folder=test set OK=false & mkdir %folder% && if exist %folder% set OK=true After, check for I've got a situation when this check didn't work. If you are writing a public file, you should store it in Environment I've googled a lot of information about my issue but I really don't get what i'm doing wrong, I just want to save an image to sdcard in specific folder, but folder. I have build a small CMS system where users are allowed to create a gallery page. php line 95: mkdir(): File exists I don't know what could here be wrong, I Just want to update my finding as a solution. Then we called the mkdir () method that tells us if the directory creation succeeded or not. If you don't check the result, you won't notice if the method invocation signals unexpected behavior by returning an atypical return value. getExternalStorageDirectory() returns /mnt/sdcard/ and file. file_exists follows this symlink and returns false as the target doesn't exist, but mkdir() fails as symlink with desired name exists. Can't create file. Usually, the pathing works when keeping it as "~", but sometimes it doesn't. io package. Following code is working with other APIs but 26 public static boolean cretaeDir() { String dir = Environment. Use Environment. mkDir(): Creates the directory named by this abstract pathname. isDirectory()) or simply ignore the return value and call file. From Java DOC: public boolean mkdir() Creates the directory named by this abstract pathname. Code: ***String path =Environment. , return false) The problem is that I need the file to move before the rest of my logic will work so when the method returns false I stop execution. txt" is already a file, then this call returns false. String) method denies read But myDir. Making statements based on opinion; back them up with And, the mkdir() method not only return false when the directory already exists but also in some other situations. <uses-permission Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers I'm currently writing a script which has to check if all specified folders actually exist. android android-permissions android-file Share Improve this question Follow edited Jul 5, 2018 at 2:52 Lazy Ninja asked Jul 9, 2013 at First, you should note that file. there is The mkdir() method is a part of File class. mkdir When using the File. I can't debug this because all I get is true or false from mkdir, no other explanations. In the following example, we’ll see that File::mkdir doesn’t work for that: File newDirectory = new You create a File object representing a directory that has a URL for a name: File directory = new File(dirname); When you try to create that directory, it isn't going to work because of all the characters in a URL that aren't valid for directory names. mkdirs() returns false. [delete|mkdir] without respecting the return value. However, it seems to behave strange: sometimes it creates the directory, but other times, it silently ignores the creation of directory. The funny part is when I use a separate php file to test "file_exists()" on the same exact path, it comes up as "existing. Methods of Files always succeed if they return; if they fail, they throw Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I can check this by browsing localhost:50070 and it works: /test /tmp But when I check for existence from java: FileSys Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers I have never benchmarking this method and I suspect you probably right about the timing, but this post is not about the productivity. createDir: false. When navigating to a location in the device's built in memory, everything works as expected but when I navigate to my sd card and try to create a new folder, the line new File(path + File. (Maybe do another File. Like sarnold said, just set the Hy, I am new to Java and I have this problem: I need to verify in my program if a certain directory exists and if not, then create it. In addition, if you're writing a file that's being used only by your app, you should store it in Context. Returns False for broken symbolic Returns: true if and only if the file denoted by this abstract pathname exists and is a normal file; false otherwise Throws: SecurityException - If a security manager exists and its SecurityManager. mkdir(); This means that mediaStorageDir. – Ruben Kazumov file. mkdirs() Always return false 22 mkdir() is not creating the new directory 2 My method to create 0 The following app File f = new File("dir"); boolean answer = f. io. isdir returns True for both test (and for test. Let's break down the Return Value The method returns true if the directories was created, with all necessary parent directories; else false. 10 recently. When I check if avatar exists, it returns false. It returns false in the server even if the file exist. isdir() with absolute paths. Following is the simple code: Check it out: https://lnkd. createTempFile The documentation for File. expanduser to normalize "~" into an absolute path to the home directory. err. Second, assuming you want to access your own app's files - you also don't want to reference the /data/data path directly because it can vary in multi-user scenarios. exists returns a logical vector indicating whether the files named by its argument exist. toString()); //I tried file. The pdf is generated perfectly, I can see it in any file explorer. Javadoc states that java. ) Share Improve this answer Follow edited Oct 7, 2012 at 13:00 answered Oct 7, 2012 at 10:49 Stephen C Stephen C Add a comment | I have a network drive mapped to drive letter X:\ going to an external hard drive with the path of "\\X-Drive\Public\Data". , it already existed) which will usually be the case. Existence can also be checked by file. exists(dirname) I got false, and it drove me mad for a while :) The problem was: In a certain window I was at the specific directory. isfile returns False as expected. mkdirs(); System. So I hope this helps anyone with a simple solution. I'm not sure why it doesn't always work. Exception SecurityException − If a security manager exists and its methods denies access to create the named directory. may just return false if the file/directory can't be deleted/created because of any other reason than a SecurityException [1]. mkdir() or File. This has two bad properties: (1) It is actually difficult to tell, after a call to mkdir, whether Following is the declaration for java. My code: String extStorageDirectory = Environment. Exists(path), it states: If the caller does not have sufficient permissions to read the specified file, no exception is thrown and the method returns false regardless of the existence of path. mkdir(); it's file. Making statements based on opinion; back them up with Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. mkdir(); // returns false When I try to make a directory with the same name as a file that already exists, the "mkdir()" function returns false. getExternalFilesDir(), to prevent spreading your app's files throughout public storage. The path might work in the explorer or File. mkdirs() will only return true once: when the directories actually had to be created. What can the cause be? I check before If I have the permission for writing files. The mkdir() function is used to create a new directory denoted by the abstract pathname. mkdir() always return false and I First of all, technically mkdirs() returning false doesn't mean that it failed, it just meant that it didn't make the directories. I don't want to ignore findbugs messages - not even warnings, but I don't see how I can resolve this I need to have my program create a directory with a specific name, and overwrite any existing directory with that name. mkdir will return false. That works some time ago, I just export my project and that stop work without any reason. mkdir may return false, but go on to create the folder anyway. I am modifying an uploaded pdf with Fpdi, in laravel. mkdirs() seems to be the only one which doesn't have a hard coded return true; in it. listFiles(new File("/")); which is sent over socket from Pi to Android app. First of all you have to add some permission to your AndroidManifest <uses-permission android:name="android. This hasn't happened before with the same Below code is self explanatory import os def new_directory(directory, filename): # Before creating a new directory, check to see if it already exists if os. Example 1 The mkdir() method is a part of File class. mkdir()創建此抽象路徑名的目錄。 Declaration 以下是java. It could be that the server got changed and will not accept absolute path in mkdir any longer. isDirectory() (see the documentation). It is a pretty weird error, because php file_exists method can find the file perfectly with the same If you read the Python documentation of os. However, when I check on the file in windows explorer it has a new name and it moved. txt then File f = new File(filename); f. Real java has a proper API but I don't think android gets the benefit of this nicer API, it's too far behind on libraries. mkdir(directory) # Create the new file inside of the new directory os. Replace your code with this and check (warning of Result of File. txt"); System. String) method denies read This page shows Java code examples of java. but when File. mkdirs JavaDocs: public boolean mkdirs() Creates the directory named by this abstract pathname, including any necessary but nonexistent parent directories. lang. mkdirs() doesn't work all the time 2 Java - File - mkdirs doesn't make dirs 1 I've been using the following code to successfully create folders, however on a samsung tab2 Android 4. This should work fine. . mkdir() and mkdirs() are creating file instead of directory 0 mkdirs() method not works 7 File. delete e. ). Earlier I was useing mkdir() but in one of the articles, I read that using mkdirs File. Handle any In this FSO = New Scripting. Returns: true if and only if the directory was created; false I also faced the same problem. I am trying to create a directory in my Seconday External Storage(SD Card) but mkdir() returns false. mkdir() returns true if the directory was successfully created; false if it already exists or cannot be created. exists(), it says that there are specific cases in which a file or folder exists but os. canRead(); and for /home directory, this returns false. WRITE_EXTERNAL_STORAGE" /> To create folder in external storage, call something like this String folder_main = "NewFolder"; File f = new File. exists() or File. – Steffen Ullrich Because it's part of the API: public boolean mkdir() Creates the directory named by this abstract pathname. checkWrite If it reads false, it's probably looking in the wrong place. The false seems only to indicate that the folder does not exist, yet. It's not clear to me why it returns false. But laravel built in Storage::exists() returns false. Secondly, you should be sure you have the appropriate Permissions on the Directory in which the new Directory is to be created (the Parent of the New One to be created More precisely, while all three compilers indeed create the directory, the latter two return false in that case, making the return value of std::filesystem::create_directories() ambigous (and counter-intuitive). As such, the following race condition exists: File tmpDir = File . It's telling you it can't create a file that already exists. I have the following: String dir = "/storage/emulated/0"; In addition to other answers and comments, I'd Creating a directory in Kotlin can be accomplished using the mkdir() or mkdirs() methods of the File class from the java. getAbsolutePath() + &quot;/ I have that code, but I can't create file. I have a new reason this happens - I am using PHP inside a Docker container with a mounted volume for the codebase which resides on my local host machine. try to use File f2 = new File (f1, "C:\\"); for example. and furthermore Laravel doesn't give me any errors to work with. The function returns true if directory is When using the File. createTempDirectory class to create the temporary directory. g. createTempFile ( prefix + ". ebbdvwds kzljq ookhg czor usme pnhkr pqxx jjxqqr lmkg yedqa