Could not write file XXX\.classpath解决

解决工程Buildpath修改问题
本文介绍了解决在工程中无法修改buildpath的问题过程。当遇到提示couldnotwritefile:xxxx.classpath错误时,通过取消工程根目录下.classpath文件的隐藏属性设置,成功解决了该问题。
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    调工程时,莫名其妙不能修改build path,提示could not write file:xxxx .classpath 因为发现有libraries没有加进去,所以提示一堆错误。

     最终将工程根目录下的隐藏文件.classpath文件属性中的隐藏去掉后,问题解决。


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Stable Diffusion 3.5 (SD 3.5) 是由 Stability AI 推出的新一代文本到图像生成模型,相比 3.0 版本,它提升了图像质量、运行速度和硬件效率

import org.apache.poi.ss.usermodel.*; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.util.*; import java.util.regex.Matcher; import java.util.regex.Pattern; public class FindTable { private static final String SCAN_DIR = "D:\\Doc\\06.Code\\Report\\源文件\\CDPTRPT\\1.WIP\\WIP"; private static final List<String> EXCLUDE_EXTENSIONS = Arrays.asList(".exe", ".jpg", ".png"); private static final List<String> INCLUDE_EXTENSIONS = Arrays.asList(".cpt"); // 空列表 private static final String OUTPUT_FILE = "results.xlsx"; private static final Pattern FROM_PATTERN = Pattern.compile("\\bfrom\\b\\s+(?![(])([^\\s(]+)", Pattern.CASE_INSENSITIVE); Pattern Join_PATTERN = Pattern.compile("\\bjoin\\b\\s+(?![(])([^\\s(]+)", Pattern.CASE_INSENSITIVE); private static final Pattern SQL_pattern = Pattern.compile("<Query><!\\[CDATA\\[(.*?)\\]\\]></Query>", Pattern.DOTALL); public static void main(String[] args) { try { System.out.println("开始扫描目录: " + SCAN_DIR); List<File> files = getAllFiles(new File(SCAN_DIR)); System.out.println("发现 " + files.size() + " 个文件"); List<Result> results = new ArrayList<>(); for (File file : files) { processFile(file, results); } System.out.println("提取到 " + results.size() + " 条记录"); exportToExcel(results); System.out.println("结果已导出到: " + OUTPUT_FILE); } catch (Exception e) { System.err.println("处理过程中出错: " + e.getMessage()); e.printStackTrace(); } } private static List<File> getAllFiles(File directory) { List<File> fileList = new ArrayList<>(); if (!directory.exists() || !directory.isDirectory()) { System.err.println("无效目录: " + directory.getAbsolutePath()); return fileList; } File[] files = directory.listFiles(); if (files == null) return fileList; for (File file : files) { if (file.isDirectory()) { fileList.addAll(getAllFiles(file)); } else { String ext = getFileExtension(file); // if (EXCLUDE_EXTENSIONS.contains(ext)) continue; // if (!INCLUDE_EXTENSIONS.isEmpty() && !INCLUDE_EXTENSIONS.contains(ext)) continue; fileList.add(file); } } return fileList; } private static void processFile(File file, List<Result> results) { // 使用缓冲流读取大文件 try (java.io.BufferedReader reader = new java.io.BufferedReader(new java.io.FileReader(file))) { StringBuilder content = new StringBuilder(); char[] buffer = new char[8192]; int charsRead; while ((charsRead = reader.read(buffer)) != -1) { content.append(buffer, 0, charsRead); } Set<String> fileIdentifier =new HashSet<>(); Matcher matcher = SQL_pattern.matcher(content); while (matcher.find()) { String SQL = matcher.group(1); String dbName = ""; fileIdentifier.add(SQL.toLowerCase()); results.add(new Result( SQL.toLowerCase())); } } catch ( IOException e) { System.err.println("无法读取文件: " + file.getAbsolutePath() + " - " + e.getMessage()); } } private static void exportToExcel(List<Result> results) throws IOException { Workbook workbook = new XSSFWorkbook(); Sheet sheet = workbook.createSheet("提取结果"); // 创建标题行 Row headerRow = sheet.createRow(0); createCell(headerRow, 0, "文件名", workbook); // createCell(headerRow, 1, "数据表", workbook); // createCell(headerRow, 2, "数据库", workbook); createCell(headerRow, 2, "sql", workbook); // 创建数据行 for (int i = 0; i < results.size(); i++) { Row row = sheet.createRow(i + 1); // createCell(row, 0, results.get(i).filename, workbook); // createCell(row, 1, results.get(i).identifier, workbook); // createCell(row, 2, results.get(i).dbName, workbook); createCell(row, 0, results.get(i).SQL, workbook); } // 自动调整列宽 sheet.autoSizeColumn(0); sheet.autoSizeColumn(1); sheet.autoSizeColumn(2); // 写入文件 try (FileOutputStream fos = new FileOutputStream(OUTPUT_FILE)) { workbook.write(fos); } finally { workbook.close(); } } // 辅助方法:安全创建单元格 private static void createCell(Row row, int column, String value, Workbook workbook) { Cell cell = row.createCell(column); cell.setCellValue(value); } private static String getFileExtension(File file) { String name = file.getName(); int lastDot = name.lastIndexOf('.'); if (lastDot > 0 && lastDot < name.length() - 1) { return name.substring(lastDot).toLowerCase(); } return ""; } private static class Result { String filename; String identifier; String dbName; String SQL; Result(String SQL) { this.SQL = SQL; } Result(String filename, String identifier,String dbName,String SQL) { this.filename = filename; this.identifier = identifier; this.dbName = dbName; this.SQL = SQL; } } } 执行报错发现 5 个文件 提取到 0 条记录 ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console... 结果已导出到: results.xlsx
09-27
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