标签：lock empty x11 inf ble highlight lsp acea auto
看了日志，错误为：
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java.lang.OutOfMemoryError Java heap space |
上传文件代码如下：
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public static String uploadSingleFile(String path,MultipartFile file) { if (!file.isEmpty()) { byte[] bytes; try { bytes = file.getBytes(); // Create the file on server File serverFile = createServerFile(path,file.getOriginalFilename()); BufferedOutputStream stream = new BufferedOutputStream( new FileOutputStream(serverFile)); stream.write(bytes); stream.flush(); stream.close(); logger.info("Server File Location=" + serverFile.getAbsolutePath()); return getRelativePathFromUploadDir(serverFile).replaceAll("\\\\", "/"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println(e.getMessage()); } }else{ System.out.println("文件内容为空"); } return null; } |
乍一看没什么大问题，我在 stream.write(bytes); 这句加了断点，发觉根本就没走到。而是在 bytes = file.getBytes(); 就报错了。
原因应该是文件太大的话，字节数超过Integer（Bytes[]数组）的最大值，导致的问题。
既然这样，把文件一点点的读进来即可。
修改上传代码如下：
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public static String uploadSingleFile(String path,MultipartFile file) { if (!file.isEmpty()) { //byte[] bytes; try { //bytes = file.getBytes(); // Create the file on server File serverFile = createServerFile(path,file.getOriginalFilename()); BufferedOutputStream stream = new BufferedOutputStream( new FileOutputStream(serverFile)); int length=0; byte[] buffer = new byte[1024]; InputStream inputStream = file.getInputStream(); while ((length = inputStream.read(buffer)) != -1) { stream.write(buffer, 0, length); } //stream.write(bytes); stream.flush(); stream.close(); logger.info("Server File Location=" + serverFile.getAbsolutePath()); return getRelativePathFromUploadDir(serverFile).replaceAll("\\\\", "/"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); System.out.println(e.getMessage()); } }else{ System.out.println("文件内容为空"); } return null; } |
转自http://www.2cto.com/kf/201702/596396.html
标签：lock empty x11 inf ble highlight lsp acea auto
原文地址：http://www.cnblogs.com/yht-817/p/6956173.html
