fix(data-transfer): clean work directory before import (#3006)

LuckyPickleZZ · web-flow · commit ad64de5dc990 · 2024-07-25T11:08:07.000+08:00
diff --git a/server/odc-service/src/main/java/com/oceanbase/odc/service/datatransfer/task/DataTransferTask.java b/server/odc-service/src/main/java/com/oceanbase/odc/service/datatransfer/task/DataTransferTask.java
@@ -332,6 +332,8 @@ private List<URL> copyImportScripts(List<String> fileNames, DataTransferFormat f
             LOGGER.warn("Multiple files for CSV format is invalid, importFileNames={}", fileNames);
             throw new IllegalArgumentException("Multiple files isn't accepted for CSV format");
         }
+        // There maybe some dirty files generated before 4.2.3. We should clean them first.
+        FileUtils.cleanDirectory(destDir);
         LocalFileManager fileManager = SpringContextUtil.getBean(LocalFileManager.class);
         List<URL> inputs = new ArrayList<>();
         for (String fileName : fileNames) {

Original file line number	Diff line number	Diff line change
`@@ -332,6 +332,8 @@ private List<URL> copyImportScripts(List<String> fileNames, DataTransferFormat f`
`332`	`332`	`LOGGER.warn("Multiple files for CSV format is invalid, importFileNames={}", fileNames);`
`333`	`333`	`throw new IllegalArgumentException("Multiple files isn't accepted for CSV format");`
`334`	`334`	`}`
	`335`	`+ // There maybe some dirty files generated before 4.2.3. We should clean them first.`
	`336`	`+ FileUtils.cleanDirectory(destDir);`
`335`	`337`	`LocalFileManager fileManager = SpringContextUtil.getBean(LocalFileManager.class);`
`336`	`338`	`List<URL> inputs = new ArrayList<>();`
`337`	`339`	`for (String fileName : fileNames) {`