From 598a3271f0ba9cb84fa76f8a088f68af01135589 Mon Sep 17 00:00:00 2001
From: Ashvin <ashvina@users.noreply.github.com>
Date: Wed, 18 Jul 2018 16:32:22 -0700
Subject: [PATCH] Assign a reasonable default to previous checkpoint (#33)

Instant.MIN can cause overflow errors.
Fixes #32
---
 pom.xml                                                        | 2 +-
 .../java/com/microsoft/dhalion/policy/PoliciesExecutor.java    | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/pom.xml b/pom.xml
index fd6c93a..e56af86 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
   <groupId>com.microsoft.dhalion</groupId>
   <artifactId>dhalion</artifactId>
-  <version>0.2.2</version>
+  <version>0.2.3</version>
   <packaging>jar</packaging>
 
   <name>Dhalion</name>
diff --git a/src/main/java/com/microsoft/dhalion/policy/PoliciesExecutor.java b/src/main/java/com/microsoft/dhalion/policy/PoliciesExecutor.java
index c59c558..3ecddaa 100644
--- a/src/main/java/com/microsoft/dhalion/policy/PoliciesExecutor.java
+++ b/src/main/java/com/microsoft/dhalion/policy/PoliciesExecutor.java
@@ -120,7 +120,6 @@ public void destroy() {
     this.executor.shutdownNow();
   }
 
-
   public static class ExecutionContext {
     private final MeasurementsTable.Builder measurementsTableBuilder;
     private final SymptomsTable.Builder symptomsTableBuilder;
@@ -139,7 +138,7 @@ private ExecutionContext(IHealthPolicy policy) {
     }
 
     private void captureCheckpoint() {
-      previousCheckpoint = checkpoint != null ? checkpoint : Instant.MIN;
+      previousCheckpoint = checkpoint != null ? checkpoint : Instant.EPOCH;
       checkpoint = policy.getNextCheckpoint();
     }