fix: date format parser

Author: metacosm

operator-framework-core/pom.xml

@@ -29,6 +29,7 @@
         <version>${surefire.version}</version>
       </plugin>
       <plugin>
+        <!-- Used to generate the version / commit information -->
         <groupId>pl.project13.maven</groupId>
         <artifactId>git-commit-id-plugin</artifactId>
         <version>4.0.3</version>

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/config/Utils.java

@@ -1,8 +1,8 @@
 package io.javaoperatorsdk.operator.api.config;
 
 import java.io.IOException;
-import java.text.DateFormat;
 import java.text.ParseException;
+import java.text.SimpleDateFormat;
 import java.time.Instant;
 import java.util.Date;
 import java.util.Properties;
@@ -21,7 +21,10 @@ public static Version loadFromProperties() {
 
     Date builtTime;
     try {
-      builtTime = DateFormat.getDateTimeInstance().parse(properties.getProperty("git.build.time"));
+      builtTime =
+          // RFC 822 date is the default format used by git-commit-id-plugin
+          new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ")
+              .parse(properties.getProperty("git.build.time"));
     } catch (ParseException e) {
       builtTime = Date.from(Instant.EPOCH);
     }