Update plan failed when plan description is too big

[angel-popov]

• Create a plan that has 255 symbols in the description
• Update the created plan

---

Result:

-------------------------------------------------------
Running com.softavail.api.test.PlanTest
Request method:	POST
Request URI:	http://192.168.1.166:8080/comms-router-web-pure/api/routers/GAJOOJopintSTk3PoeIt62/plans/M73js5zYMbbk4XNB153fR
Proxy:			<none>
Request params:	<none>
Query params:	<none>
Form params:	<none>
Path params:	routerRef=GAJOOJopintSTk3PoeIt62
				ref=M73js5zYMbbk4XNB153fR
Headers:		If-Match="7dfcea4001a9cb4a341b3a0613bf87a8ade19a48bbf2b97b987b3ce9023dd64b"
				Accept=*/*
				Content-Type=application/json; charset=UTF-8
Cookies:		<none>
Multiparts:		<none>
Body:
{
    "description": null,
    "rules": [
        {
            "tag": null,
            "predicate": "1 == 1",
            "routes": [
                {
                    "queueRef": "79Tzqzx6KGGKWWxOlUJCY1",
                    "priority": null,
                    "timeout": 1
                },
                {
                    "queueRef": "79Tzqzx6KGGKWWxOlUJCY1",
                    "priority": null,
                    "timeout": null
                }
            ]
        }
    ],
    "defaultRoute": null
}

HTTP/1.1 500 Internal Server Error
Server: Apache-Coyote/1.1
Content-Type: application/json;charset=UTF-8
Content-Length: 124
Date: Tue, 10 Apr 2018 13:20:32 GMT
Connection: close

{
    "error": {
        "code": "PersistenceException",
        "description": "org.hibernate.exception.DataException: could not execute statement"
    }
}