update to tzdb v2021e

see issue MenoData/Time4J#957

Author: MenoData

pom.xml

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.time4j</groupId>
     <artifactId>time4j-tzdata</artifactId>
-    <version>5.0-2021d</version>
+    <version>5.0-2021e</version>
     <packaging>jar</packaging>
     <name>Time4J-TZDATA</name>
 

src/main/java/net/time4j/tz/repo/TimezoneRepositoryProviderSPI.java

@@ -1,6 +1,6 @@
 /*
  * -----------------------------------------------------------------------
- * Copyright © 2013-2019 Meno Hochschild, <http://www.menodata.de/>
+ * Copyright © 2013-2021 Meno Hochschild, <http://www.menodata.de/>
  * -----------------------------------------------------------------------
  * This file (TimezoneRepositoryProviderSPI.java) is part of project Time4J.
  *
@@ -77,6 +77,11 @@ public class TimezoneRepositoryProviderSPI
 
     //~ Konstruktoren -----------------------------------------------------
 
+    /**
+     * Standard constructor loading the repository.
+     * 
+     * @throws  IllegalStateException if loading the repository fails
+     */
     public TimezoneRepositoryProviderSPI() {
         super();
 
@@ -192,7 +197,7 @@ public TimezoneRepositoryProviderSPI() {
 
                     this.leapsecs.put(
                         PlainDate.of(year, month, dom),
-                        Integer.valueOf(shift));
+                        shift);
                 }
 
                 int year = dis.readShort();
@@ -274,7 +279,7 @@ public TransitionHistory load(String zoneID) {
                 return (TransitionHistory) ois.readObject();
             }
         } catch (IOException | ClassNotFoundException e) {
-            e.printStackTrace();
+            throw new IllegalStateException(e);
         }
 
         return null;

src/main/resources/tzrepo/tzdata.repository

@@ -37,7 +37,7 @@ public class RepositoryTest {
         TZDATA.init();
     }
 
-    private static final String STD_VERSION = "2021d";
+    private static final String STD_VERSION = "2021e";
     private static final ChronoFormatter<Moment> PARSER = Iso8601Format.EXTENDED_DATE_TIME_OFFSET;
 
     private String propertyValue = null;