Remove JdbcSQLException.getOriginalCause()

h2/src/main/org/h2/jdbc/JdbcSQLException.java

@@ -24,8 +24,8 @@ public class JdbcSQLException extends SQLException {
     public static final String HIDE_SQL = "--hide--";
 
     private static final long serialVersionUID = 1L;
+
     private final String originalMessage;
-    private final Throwable cause;
     private final String stackTrace;
     private String message;
     private String sql;
@@ -44,7 +44,6 @@ public class JdbcSQLException extends SQLException {
             int errorCode, Throwable cause, String stackTrace) {
         super(message, state, errorCode);
         this.originalMessage = message;
-        this.cause = cause;
         this.stackTrace = stackTrace;
         // setSQL() invokes buildMessage() by itself
         setSQL(sql);
@@ -124,13 +123,6 @@ public class JdbcSQLException extends SQLException {
         }
     }
 
-    /**
-     * INTERNAL
-     */
-    public Throwable getOriginalCause() {
-        return cause;
-    }
-
     /**
      * Returns the SQL statement.
      * SQL statements that contain '--hide--' are not listed.

h2/src/main/org/h2/message/DbException.java

@@ -406,8 +406,8 @@ public class DbException extends RuntimeException {
         }
         if (e instanceof JdbcSQLException) {
             JdbcSQLException e2 = (JdbcSQLException) e;
-            if (e2.getOriginalCause() != null) {
-                e = e2.getOriginalCause();
+            if (e2.getCause() != null) {
+                e = e2.getCause();
             }
         }
         return new IOException(e.toString(), e);