diff --git a/code/process-models/crawling-model/java/nu/marginalia/crawling/io/CrawledDomainReader.java b/code/process-models/crawling-model/java/nu/marginalia/crawling/io/CrawledDomainReader.java
index 3f8123b2..5aefc04c 100644
--- a/code/process-models/crawling-model/java/nu/marginalia/crawling/io/CrawledDomainReader.java
+++ b/code/process-models/crawling-model/java/nu/marginalia/crawling/io/CrawledDomainReader.java
@@ -1,22 +1,32 @@
 package nu.marginalia.crawling.io;
 
 import nu.marginalia.crawling.io.format.ParquetSerializableCrawlDataStream;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-import java.io.*;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 
 public class CrawledDomainReader {
+    private static final Logger logger = LoggerFactory.getLogger(CrawledDomainReader.class);
 
     /** An iterator-like access to domain data  This must be closed otherwise it will leak off-heap memory! */
     public static SerializableCrawlDataStream createDataStream(Path fullPath) throws IOException
     {
+
         String fileName = fullPath.getFileName().toString();
         if (fileName.endsWith(".parquet")) {
-            return new ParquetSerializableCrawlDataStream(fullPath);
-        }
-        else {
-            throw new IllegalArgumentException("Unknown file type: " + fullPath);
+            try {
+                return new ParquetSerializableCrawlDataStream(fullPath);
+            } catch (Exception ex) {
+                logger.error("Error reading domain data from " + fullPath, ex);
+                return SerializableCrawlDataStream.empty();
+            }
+        } else {
+            logger.error("Unknown file type: {}", fullPath);
+            return SerializableCrawlDataStream.empty();
         }
     }
 
diff --git a/code/processes/converting-process/java/nu/marginalia/converting/ConverterMain.java b/code/processes/converting-process/java/nu/marginalia/converting/ConverterMain.java
index 83bc63f5..16d9bc40 100644
--- a/code/processes/converting-process/java/nu/marginalia/converting/ConverterMain.java
+++ b/code/processes/converting-process/java/nu/marginalia/converting/ConverterMain.java
@@ -6,6 +6,9 @@ import com.google.inject.Inject;
 import com.google.inject.Injector;
 import nu.marginalia.ProcessConfiguration;
 import nu.marginalia.ProcessConfigurationModule;
+import nu.marginalia.converting.model.CrawlPlan;
+import nu.marginalia.converting.model.WorkDir;
+import nu.marginalia.converting.processor.DomainProcessor;
 import nu.marginalia.converting.sideload.SideloadSource;
 import nu.marginalia.converting.sideload.SideloadSourceFactory;
 import nu.marginalia.converting.writer.ConverterBatchWritableIf;
@@ -13,28 +16,24 @@ import nu.marginalia.converting.writer.ConverterBatchWriter;
 import nu.marginalia.converting.writer.ConverterWriter;
 import nu.marginalia.crawling.io.CrawledDomainReader;
 import nu.marginalia.crawling.io.SerializableCrawlDataStream;
-import nu.marginalia.process.log.WorkLog;
-import nu.marginalia.process.log.WorkLogEntry;
-import nu.marginalia.service.ProcessMainClass;
-import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.mq.MessageQueueFactory;
 import nu.marginalia.mq.MqMessage;
 import nu.marginalia.mq.inbox.MqInboxResponse;
 import nu.marginalia.mq.inbox.MqSingleShotInbox;
 import nu.marginalia.process.control.ProcessHeartbeat;
 import nu.marginalia.process.control.ProcessHeartbeatImpl;
+import nu.marginalia.process.log.WorkLog;
+import nu.marginalia.process.log.WorkLogEntry;
+import nu.marginalia.service.ProcessMainClass;
 import nu.marginalia.service.module.DatabaseModule;
+import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.util.SimpleBlockingThreadPool;
 import nu.marginalia.worklog.BatchingWorkLog;
 import nu.marginalia.worklog.BatchingWorkLogImpl;
 import org.apache.logging.log4j.util.Strings;
-import nu.marginalia.converting.model.CrawlPlan;
-import nu.marginalia.converting.processor.DomainProcessor;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import nu.marginalia.converting.model.WorkDir;
 
-import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.sql.SQLException;
@@ -201,7 +200,7 @@ public class ConverterMain extends ProcessMainClass {
             try {
                 return Optional.of(CrawledDomainReader.createDataStream(path));
             }
-            catch (IOException ex) {
+            catch (Exception ex) {
                 return Optional.empty();
             }
         }