Merge pull request #1489 from raman-bt/4939-recentactivities-open-handles

8939: Recent activity model failing to close file handles

bindings/java/src/org/sleuthkit/datamodel/Report.java

@@ -129,7 +129,9 @@ public int read(byte[] buf, long offset, long len) throws TskCoreException {
 		int totalBytesRead = 0;
 		ByteBuffer data = ByteBuffer.wrap(buf);
 		try {
-			fileChannel = FileChannel.open(pathAsPath, READ);
+			if (fileChannel == null) {
+				fileChannel = FileChannel.open(pathAsPath, READ);
+			}
 			fileChannel.position(offset);
 			int bytesRead = 0;
 			do {