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Update DFSUtil.java

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在进入addSourceFileByType方法时进行判断，避免在文件大小为0时，程序报错退出
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cangos2012 2019-08-26 16:27:53 +08:00 committed by GitHub
parent 05a000db44
commit 25ca2bec12
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1 changed files with 27 additions and 11 deletions
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38
hdfsreader/src/main/java/com/alibaba/datax/plugin/reader/hdfsreader/DFSUtil.java
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@ -180,20 +180,36 @@ public class DFSUtil {
// 根据用户指定的文件类型，将指定的文件类型的路径加入sourceHDFSAllFilesList
private void addSourceFileByType(String filePath) {
// 检查file的类型和用户配置的fileType类型是否一致
boolean isMatchedFileType = checkHdfsFileType(filePath, this.specifiedFileType);
Path file = new Path(filePath);
if (isMatchedFileType) {
LOG.info(String.format("[%s]是[%s]类型的文件, 将该文件加入source files列表", filePath, this.specifiedFileType));
sourceHDFSAllFilesList.add(filePath);
} else {
String message = String.format("文件[%s]的类型与用户配置的fileType类型不一致，" +
try {
FileSystem fs = FileSystem.get(hadoopConf);
FSDataInputStream in = fs.open(file);
long size = fs.getFileStatus(file).getLen();
//在进入addSourceFileByType方法时进行判断，避免在文件大小为0时，程序报错退出
if(size > 0){
// 检查file的类型和用户配置的fileType类型是否一致
boolean isMatchedFileType = checkHdfsFileType(filePath, this.specifiedFileType);
if (isMatchedFileType) {
LOG.info(String.format("[%s]是[%s]类型的文件, 将该文件加入source files列表", filePath, this.specifiedFileType));
sourceHDFSAllFilesList.add(filePath);
} else {
String message = String.format("文件[%s]的类型与用户配置的fileType类型不一致，" +
"请确认您配置的目录下面所有文件的类型均为[%s]"
, filePath, this.specifiedFileType);
LOG.error(message);
throw DataXException.asDataXException(
HdfsReaderErrorCode.FILE_TYPE_UNSUPPORT, message);
}
LOG.error(message);
throw DataXException.asDataXException(
HdfsReaderErrorCode.FILE_TYPE_UNSUPPORT, message);
}
}else{
//文件大小为0时，记录日志
String message = String.format("文件[%s]长度为0，将会跳过不作处理！", filePath);
LOG.info(message);
}
}catch(Exception e){
LOG.warn(String.format("未知错误, %s", e.getMessage()));
}
}
public InputStream getInputStream(String filepath) {