Databases
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POArrayList to Json
 

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    <p>Receive result from query in SessionBean</p> <pre><code>public List getUserTransaction(User user, Balancestatus status) { return em.createNamedQuery("Balance.findLastFiveTransaction").setParameter("user", user).setParameter("status", status).getResultList(); </code></pre> <p>My query </p> <pre><code>select b from Balance b join b.typecategory t where b.user = :user and b.typecategory = t and b.status = :status </code></pre> <p>Getting data in servlet and passed to Json</p> <pre><code>PrintWriter out = response.getWriter(); user = userHandler.userCheck("mail@mail.com"); List&lt;Balance&gt; userTransaction = balance.getUserTransaction(user, outStatus); Gson gson = new Gson(); String json = gson.toJson(userTransaction); out.write(json); </code></pre> <p>Try parse using JQuery and output in console</p> <pre><code>............. $.each(data, function(index, element) { console.log(element); }); .............. </code></pre> <p>and get the error</p> <blockquote> <p>TypeError: invalid 'in' operand obj [Break On This Error]</p> <p>typeof length === "number" &amp;&amp; length > 0 &amp;&amp; ( length - 1 ) in obj );</p> </blockquote> <p>My Json from ArrayList to Json </p> <blockquote> <p>[{"id":"7","description":"evil data show","sum":666.00,"category":{"id":"1","name":"Wallet"},"typecategory":{"id":"4","name":"Home"},"user":{"id":"1","created":"Jun 5, 2013 1:44:45 PM","email":"mail@mail.com","pass":"mail","updated":"Jun 5, 2013 1:44:45 PM"},"status":{"id":"2","statusName":"out"}} ...........]</p> </blockquote> <p>How correct passed ArrayList to Json? Use JBoss AS 7.1</p>
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    1. USuser2483213
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    1. COFound solution need parse JSon and delete space. Later add full correct answer
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      1. USuser2483213
 

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