Merge pull request 'Added advanced logging for trace read EOF' (#250) from tracer/debug-corrupted-records-save-files into master

Reviewed-on: #250
Reviewed-by: YoyoNow <jwsteam@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/tracer/Trace.java

@@ -29,11 +29,14 @@ import de.steamwar.entity.REntityServer;
 import lombok.Cleanup;
 import lombok.Getter;
 import lombok.SneakyThrows;
+import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 
 import java.io.*;
 import java.lang.ref.SoftReference;
 import java.util.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import java.util.zip.GZIPInputStream;
@@ -308,16 +311,28 @@ public class Trace {
     /**
      * Loads the records of this trace from storage to memory
      */
-    @SneakyThrows
     private void loadRecords() {
         List<TNTPoint> records = new ArrayList<>();
-
+        long readBytes = 0;
+        try {
             FileInputStream fileInputStream = new FileInputStream(recordsSaveFile);
 
             @Cleanup
             ObjectInputStream inputStream = new ObjectInputStream(new GZIPInputStream(fileInputStream));
-        while (fileInputStream.getChannel().position() < recordsSaveFile.length()) {
+            long fileLenght = recordsSaveFile.length();
+            while (fileInputStream.getChannel().position() < fileLenght) {
                 records.add((TNTPoint) inputStream.readObject());
+                readBytes = fileInputStream.getChannel().position();
+            }
+        } catch (EOFException e) {
+            Logger logger = Bukkit.getLogger();
+            logger.log(Level.WARNING, "EOF in trace read detected in " + uuid);
+            logger.log(Level.WARNING, "Read " + readBytes + "/" + recordsSaveFile.length() + " Bytes");
+            logger.log(Level.WARNING, "Read so far: " + records);
+
+            e.printStackTrace();
+        } catch (IOException | ClassNotFoundException e) {
+            e.printStackTrace();
         }
 
         Map<Integer, List<TNTPoint>> histories = new HashMap<>();