Assign a reasonable default to previous checkpoint (#33)

Instant.MIN can cause overflow errors. Fixes #32
microsoft · Jul 18, 2018 · 598a327 · 598a327
1 parent f6e9daf
commit 598a327
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Showing 2 changed files with 2 additions and 3 deletions.
diff --git 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
@@ -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();
     }