X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.acorn%2Fsrc%2Forg%2Fsimantics%2Facorn%2FHeadState.java;h=106134264c606cc1d3ded07199ec5b1688569e7a;hb=HEAD;hp=a6a1622c80027d68b11b05a7de6b6d1891bb26f5;hpb=d5ca4ed76bc83af27f2ade59ce49e35750aa4177;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java b/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
index a6a1622c8..106134264 100644
--- a/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
+++ b/bundles/org.simantics.acorn/src/org/simantics/acorn/HeadState.java
@@ -62,8 +62,7 @@ public class HeadState {
         		HeadState1 old = HeadState1.load(directory);
         		return old.migrate();
         	}
-            return new HeadState();
-//            throw new InvalidHeadStateException(i);
+            throw new InvalidHeadStateException(i);
         } catch (NoSuchAlgorithmException e) {
             throw new Error("SHA-1 Algorithm not found", e);
         } catch (Throwable t) {
@@ -100,6 +99,8 @@ public class HeadState {
     }
 
     public static boolean validateHeadStateIntegrity(Path headState) {
+        if (!Files.exists(headState))
+            return false;
         try {
             byte[] bytes = Files.readAllBytes(headState);
             MessageDigest sha1 = MessageDigest.getInstance(SHA_1);