[fix][hive-source][bug] fix An error occurred reading an empty directory (#5427)

* [fix][hive-source][bug] fix An error occurred reading an empty directory

* [fix][hive-source][bug] fix An error occurred reading an empty directory

Author: zhilinli123

seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/source/reader/AbstractReadStrategy.java

@@ -24,8 +24,6 @@
 import org.apache.seatunnel.api.table.type.SeaTunnelRowType;
 import org.apache.seatunnel.connectors.seatunnel.file.config.BaseSourceConfig;
 import org.apache.seatunnel.connectors.seatunnel.file.config.HadoopConf;
-import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorErrorCode;
-import org.apache.seatunnel.connectors.seatunnel.file.exception.FileConnectorException;
 import org.apache.seatunnel.connectors.seatunnel.file.sink.util.FileSystemUtils;
 
 import org.apache.hadoop.conf.Configuration;
@@ -153,15 +151,9 @@ public List<String> getFileNamesByPath(HadoopConf hadoopConf, String path) throw
                 }
             }
         }
-
-        if (fileNames.isEmpty()) {
-            throw new FileConnectorException(
-                    FileConnectorErrorCode.FILE_LIST_EMPTY,
-                    "The target file list is empty,"
-                            + "SeaTunnel will not be able to sync empty table, "
-                            + "please check the configuration parameters such as: [file_filter_pattern]");
+        if (this.fileNames.isEmpty()) {
+            log.error("The current directory is empty " + path);
         }
-
         return fileNames;
     }
 
@@ -196,10 +188,12 @@ public SeaTunnelRowType getActualSeaTunnelRowTypeInfo() {
 
     protected Map<String, String> parsePartitionsByPath(String path) {
         LinkedHashMap<String, String> partitions = new LinkedHashMap<>();
-        Arrays.stream(path.split("/", -1))
-                .filter(split -> split.contains("="))
-                .map(split -> split.split("=", -1))
-                .forEach(kv -> partitions.put(kv[0], kv[1]));
+        if (path != null && !path.isEmpty()) {
+            Arrays.stream(path.split("/", -1))
+                    .filter(split -> split.contains("="))
+                    .map(split -> split.split("=", -1))
+                    .forEach(kv -> partitions.put(kv[0], kv[1]));
+        }
         return partitions;
     }
 

seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/source/reader/ExcelReadStrategy.java

@@ -136,7 +136,8 @@ public void setSeaTunnelRowTypeInfo(SeaTunnelRowType seaTunnelRowType) {
                     "Schmea information is not set or incorrect schmea settings");
         }
         SeaTunnelRowType userDefinedRowTypeWithPartition =
-                mergePartitionTypes(fileNames.get(0), seaTunnelRowType);
+                mergePartitionTypes(
+                        fileNames.size() > 0 ? fileNames.get(0) : null, seaTunnelRowType);
         // column projection
         if (pluginConfig.hasPath(BaseSourceConfig.READ_COLUMNS.key())) {
             // get the read column index from user-defined row type

seatunnel-connectors-v2/connector-file/connector-file-base/src/main/java/org/apache/seatunnel/connectors/seatunnel/file/source/reader/TextReadStrategy.java

@@ -138,7 +138,8 @@ public SeaTunnelRowType getSeaTunnelRowTypeInfo(HadoopConf hadoopConf, String pa
     @Override
     public void setSeaTunnelRowTypeInfo(SeaTunnelRowType seaTunnelRowType) {
         SeaTunnelRowType userDefinedRowTypeWithPartition =
-                mergePartitionTypes(fileNames.get(0), seaTunnelRowType);
+                mergePartitionTypes(
+                        fileNames.size() > 0 ? fileNames.get(0) : null, seaTunnelRowType);
         if (pluginConfig.hasPath(BaseSourceConfig.DELIMITER.key())) {
             fieldDelimiter = pluginConfig.getString(BaseSourceConfig.DELIMITER.key());
         } else {