fix fault-tolerance and error reporting to handle disk failures
diff --git a/pregelix/pregelix-example/src/test/resources/expected/ConnectedComponentsRealComplex2/part-1 b/pregelix/pregelix-example/src/test/resources/expected/ConnectedComponentsRealComplex2/part-1
new file mode 100755
index 0000000..6976bc1
--- /dev/null
+++ b/pregelix/pregelix-example/src/test/resources/expected/ConnectedComponentsRealComplex2/part-1
@@ -0,0 +1,13 @@
+1	0
+3	0
+5	0
+7	0
+9	0
+11	0
+13	0
+15	0
+17	0
+19	0
+21	21
+25	25
+27	27