Don't delete metadata when deleting a resource from the Data Management screen.

src/main/java/org/qortal/api/resource/ArbitraryResource.java

@@ -592,7 +592,7 @@ public class ArbitraryResource {
 
 		Security.checkApiCallAllowed(request);
 		ArbitraryDataResource resource = new ArbitraryDataResource(name, ResourceIdType.NAME, service, identifier);
-		return resource.delete();
+		return resource.delete(false);
 	}
 
 	@POST

src/main/java/org/qortal/arbitrary/ArbitraryDataFile.java

@@ -388,12 +388,15 @@ public class ArbitraryDataFile {
         return false;
     }
 
-    public boolean deleteAll() {
+    public boolean deleteAll(boolean deleteMetadata) {
         // Delete the complete file
         boolean fileDeleted = this.delete();
 
-        // Delete the metadata file
-        boolean metadataDeleted = this.deleteMetadata();
+        // Delete the metadata file if requested
+        boolean metadataDeleted = false;
+        if (deleteMetadata) {
+            metadataDeleted = this.deleteMetadata();
+        }
 
         // Delete the individual chunks
         boolean chunksDeleted = this.deleteAllChunks();

src/main/java/org/qortal/arbitrary/ArbitraryDataResource.java

@@ -140,7 +140,7 @@ public class ArbitraryDataResource {
         return null;
     }
 
-    public boolean delete() {
+    public boolean delete(boolean deleteMetadata) {
         try {
             this.fetchTransactions();
             if (this.transactions == null) {
@@ -157,7 +157,7 @@ public class ArbitraryDataResource {
                 arbitraryDataFile.setMetadataHash(metadataHash);
 
                 // Delete any chunks or complete files from each transaction
-                arbitraryDataFile.deleteAll();
+                arbitraryDataFile.deleteAll(deleteMetadata);
             }
 
             // Also delete cached data for the entire resource

src/main/java/org/qortal/arbitrary/ArbitraryDataTransactionBuilder.java

@@ -281,7 +281,7 @@ public class ArbitraryDataTransactionBuilder {
 
         } catch (DataException e) {
             if (arbitraryDataFile != null) {
-                arbitraryDataFile.deleteAll();
+                arbitraryDataFile.deleteAll(true);
             }
             throw(e);
         }
@@ -315,7 +315,7 @@ public class ArbitraryDataTransactionBuilder {
 
         Transaction.ValidationResult result = transaction.isValidUnconfirmed();
         if (result != Transaction.ValidationResult.OK) {
-            arbitraryDataFile.deleteAll();
+            arbitraryDataFile.deleteAll(true);
             throw new DataException(String.format("Arbitrary transaction invalid: %s", result));
         }
         LOGGER.info("Transaction is valid");

src/main/java/org/qortal/repository/hsqldb/HSQLDBArbitraryRepository.java

@@ -155,8 +155,8 @@ public class HSQLDBArbitraryRepository implements ArbitraryRepository {
 		ArbitraryDataFile arbitraryDataFile = ArbitraryDataFile.fromHash(hash, signature);
 		arbitraryDataFile.setMetadataHash(metadataHash);
 
-		// Delete file and chunks
-		arbitraryDataFile.deleteAll();
+		// Delete file, chunks, and metadata
+		arbitraryDataFile.deleteAll(true);
 	}
 
 	@Override

src/main/java/org/qortal/utils/ArbitraryTransactionUtils.java

@@ -249,7 +249,7 @@ public class ArbitraryTransactionUtils {
 
         ArbitraryDataFile arbitraryDataFile = ArbitraryDataFile.fromHash(completeHash, signature);
         arbitraryDataFile.setMetadataHash(metadataHash);
-        arbitraryDataFile.deleteAll();
+        arbitraryDataFile.deleteAll(true);
     }
 
     public static void convertFileToChunks(ArbitraryTransactionData arbitraryTransactionData, long now, long cleanupAfter) throws DataException {