From 75b9e748f4b230c6d215f199192d7a24b57e4340 Mon Sep 17 00:00:00 2001
From: Rob Bygrave <robin.bygrave@gmail.com>
Date: Sun, 5 Mar 2017 11:40:08 +1300
Subject: [PATCH] #985 - IllegalArgumentException when using @DbArray of type
 List<String> with @ChangeLog

---
 .../ebeaninternal/server/text/json/DJsonScalar.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main/java/io/ebeaninternal/server/text/json/DJsonScalar.java b/src/main/java/io/ebeaninternal/server/text/json/DJsonScalar.java
index 1b347be23..3e9ed8da8 100644
--- a/src/main/java/io/ebeaninternal/server/text/json/DJsonScalar.java
+++ b/src/main/java/io/ebeaninternal/server/text/json/DJsonScalar.java
@@ -5,6 +5,7 @@ import io.ebeaninternal.server.type.TypeManager;
 import com.fasterxml.jackson.core.JsonGenerator;
 
 import java.io.IOException;
+import java.util.List;
 
 /**
  * Default implementation of JsonScalar.
@@ -23,6 +24,18 @@ public class DJsonScalar {
     if (value instanceof String) {
       gen.writeString((String) value);
 
+    } else if (value instanceof List) {
+      // expected for @DbArray values
+      List list = (List)value;
+      gen.writeRaw('[');
+      for (int i = 0; i < list.size(); i++) {
+        if (i > 0) {
+          gen.writeRaw(',');
+        }
+        write(gen, list.get(i));
+      }
+      gen.writeRaw(']');
+
     } else {
       ScalarType scalarType = typeManager.getScalarType(value.getClass());
       if (scalarType == null) {