#1775 - MySql 8 by default wants JDBC Date set and read with JVM Calendar (timezone)

src/main/java/io/ebeaninternal/server/core/InternalConfiguration.java

@@ -45,6 +45,7 @@ import io.ebeaninternal.server.cluster.ClusterManager;
 import io.ebeaninternal.server.core.bootup.BootupClasses;
 import io.ebeaninternal.server.core.timezone.CloneDataTimeZone;
 import io.ebeaninternal.server.core.timezone.DataTimeZone;
+import io.ebeaninternal.server.core.timezone.LocalDataTimeZone;
 import io.ebeaninternal.server.core.timezone.NoDataTimeZone;
 import io.ebeaninternal.server.core.timezone.SimpleDataTimeZone;
 import io.ebeaninternal.server.deploy.BeanDescriptorManager;
@@ -366,6 +367,10 @@ public class InternalConfiguration {
     return bootupClasses;
   }
 
+  private Platform getPlatform() {
+    return getDatabasePlatform().getPlatform();
+  }
+
   public DatabasePlatform getDatabasePlatform() {
     return serverConfig.getDatabasePlatform();
   }
@@ -509,9 +514,12 @@ public class InternalConfiguration {
 
     String tz = serverConfig.getDataTimeZone();
     if (tz == null) {
+      if (getPlatform() == Platform.MYSQL) {
+        return new LocalDataTimeZone();
+      }
       return new NoDataTimeZone();
     }
-    if (getDatabasePlatform().getPlatform() == Platform.ORACLE) {
+    if (getPlatform() == Platform.ORACLE) {
       return new CloneDataTimeZone(tz);
     } else {
       return new SimpleDataTimeZone(tz);

src/main/java/io/ebeaninternal/server/core/timezone/LocalDataTimeZone.java

@@ -0,0 +1,20 @@
+package io.ebeaninternal.server.core.timezone;
+
+import java.util.Calendar;
+
+/**
+ * Implementation of DataTimeZone when single Calendar instance is used with local timezone.
+ */
+public class LocalDataTimeZone implements DataTimeZone {
+
+  protected final Calendar zone;
+
+  public LocalDataTimeZone() {
+    this.zone = Calendar.getInstance();
+  }
+
+  @Override
+  public Calendar getTimeZone() {
+    return zone;
+  }
+}

src/main/java/io/ebeaninternal/server/type/DataBind.java

@@ -141,7 +141,12 @@ public class DataBind {
   }
 
   public void setDate(java.sql.Date v) throws SQLException {
-    pstmt.setDate(++pos, v);
+    Calendar timeZone = dataTimeZone.getTimeZone();
+    if (timeZone != null) {
+      pstmt.setDate(++pos, v, timeZone);
+    } else {
+      pstmt.setDate(++pos, v);
+    }
   }
 
   public void setTimestamp(Timestamp v) throws SQLException {

src/main/java/io/ebeaninternal/server/type/RsetDataReader.java

@@ -106,7 +106,12 @@ public class RsetDataReader implements DataReader {
 
   @Override
   public Date getDate() throws SQLException {
-    return rset.getDate(pos());
+    Calendar cal = dataTimeZone.getTimeZone();
+    if (cal != null) {
+      return rset.getDate(pos(), cal);
+    } else {
+      return rset.getDate(pos());
+    }
   }
 
   @Override

src/main/java/io/ebeaninternal/server/type/ScalarTypeBaseDate.java

@@ -20,7 +20,7 @@ public abstract class ScalarTypeBaseDate<T> extends ScalarTypeBase<T> {
 
   protected final JsonConfig.Date mode;
 
-  public ScalarTypeBaseDate(JsonConfig.Date mode, Class<T> type, boolean jdbcNative, int jdbcType) {
+  ScalarTypeBaseDate(JsonConfig.Date mode, Class<T> type, boolean jdbcNative, int jdbcType) {
     super(type, jdbcNative, jdbcType);
     this.mode = mode;
   }