filenotfoundexception

问题 I am using encryption in java and performing decryption in php. Now when i passed encrypted parameter to the url, i don't get the proper response. Here is my android code. public static InputStream multipartPOST(String urlStr, Hashtable<String, String> stringParams, Hashtable<String, File> fileParams) throws Exception {URL connectURL = new URL(urlStr); conn = (HttpURLConnection)connectURL.openConnection(); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); //conn

问题 i am trying to use ip2c to get country codes based on the ip of the user. Now the problem is it cannot find the binary file that it has to search. It throws the following ecxepion java.io.FileNotFoundException: ip-to-country.bin (The system cannot find the file specified) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(Unknown Source) at net.firefang.ip2c.input.RandomAccessBuffer.<init>(Unknown Source) at net.firefang.ip2c.IP2Country.<init>(Unknown Source) at

问题 when i was inserting the bitmap image to files directory, it showing file not found exception and it is showing Is a Directory. Here is my code: File mFolder = new File(getFilesDir() + "/sample"); if (!mFolder.exists()) { mFolder.mkdir(); } FileOutputStream fos = null; try { fos = new FileOutputStream(mFolder); bitmap.compress(Bitmap.CompressFormat.PNG,70, fos); fos.flush(); fos.close(); // MediaStore.Images.Media.insertImage(getContentResolver(), b, "Screen", "screen"); }catch

问题 I have a working java program, which is doing some database work with derby. the DB url for connection jdbc:derby://localhost:1527/MaorB_CouponDB is not hard coded but instead is written in a .txt file, located in a 'files' folder, not the src. running the project and testing the system like this works perfect. the 2nd phase of the project is moving all to web, with this java program acting as the brain on the server to perform DB actions. I exported the whole project as a .JAR and I can see

问题 I am trying to save an image from a web URL in an android application however when I run it, the log cat throws an exception saying its "read only". I don't know whats going on. Here is my downloader class: public class ImageDownload { public static void downloader(String imageURL, String fileName) { try { URL url = new URL("http://www.exampleurl.com/" + imageURL); File file = new File(fileName); URLConnection con = url.openConnection(); InputStream is = con.getInputStream();

问题 Files ==> ==> As I'm showing in this picture flow, my image(960-Minimalism.jpg) is inside internal phone storage and I'm trying to get it's path for further use through File class. What I have tried yet 1st: String filePath = MainActivity.this.getFilesDir().getAbsolutePath(); File file = new File(filePath, "960-Minimalism.jpg"); 2nd: File file = new File(Environment.getExternalStorageDirectory()+ "/Android/data/"+ getApplicationContext().getPackageName() + "/Files/"+"960-Minimalism.jpg"); The

问题 I have A WCF service that has a class that inherits System.Web.Security.RoleProvider. In this class I use Authorization Manager (AzMan) - using AzRoles.dll - for role management. Authentication is in an ADAM instance. I have been having trouble with my service under load and it seemed like I need to change the service so that the AzMan store was opened and closed for each call - otherwise objects were not being released and eventually the app pool would crash - at least that is what seems to

问题 I have a similar problem to this question C# windows appication Event: CLR20r3 on application start The error is like this: Application: MantenedorPlanesMain.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.IO.FileNotFoundException Battery: in CefSharp.Example.CefExample.Init () in CefSharp.WinForms.Example.Program.Main () But only on some machines, for example, on my computer I can use the program without any

问题 I have a friend who is in disagreement with me on this, and I'm just looking to get some feedback as to who is right and wrong in this situation. FileInfo file = ...; if (file.Exists) { //File somehow gets deleted //Attempt to do stuff with file... } The problem my friend points out is that, "so what if the file exists when I check for existence? There is nothing to guard against the chance that right after the check the file gets deleted and attempts to access it result in an exception. So,

问题 I let the user select a file from the sdcard to upload to my server and save the Uri that gets returned to me in onActivityResult example: file:///storage/emulated/0/Download/menu-4.27.13.pdf when I try to convert it to a byte array to send to the server I get the FileNotFoundException if(!fileURI.equals("")){ File pdf = new File(fileURI); try { FileInputStream fin = new FileInputStream(pdf); byte fileContent[] = new byte[(int)pdf.length()]; fin.read(fileContent); fin.close(); String