Re: [json-lib-user] error serializing java.sql.Date

[Andres A. <aal...@ya...>]

java.sql.Date is not supported by default, you'll have to register either JsonBeanProcessor or a JsonValueProcessorr depending on your needs. Processors are registered with JsonConfig.

You may find more info at the following links

http://json-lib.sourceforge.net/apidocs/jdk15/net/sf/json/processors/JsDateJsonBeanProcessor.html
http://json-lib.sourceforge.net/xref-test/net/sf/json/TestJSONObjectWithProcessors.html
http://json-lib.sourceforge.net/xref-test/net/sf/json/processors/TestJsDateJsonBeanProcessor.html

Cheers,
Andres
 
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----- Original Message ----
From: 刘远志 <liu...@gm...>
To: jso...@li...
Sent: Wednesday, February 13, 2008 5:29:39 PM
Subject: [json-lib-user] error serializing java.sql.Date


json-lib version 2.2.1

code:


        java.sql.Date d = new java.sql.Date(System.currentTimeMillis());

        HashMap m = new HashMap();
        m.put("date", d);
        JSONObject json = JSONObject.fromObject(m);

 output:


Exception in thread "main" net.sf.json.JSONException: java.lang.reflect.InvocationTargetException
    at net.sf.json.JSONObject._fromBean(JSONObject.java:949)
    at net.sf.json.JSONObject.fromObject(JSONObject.java:189)

    at net.sf.json.JSONObject._processValue(JSONObject.java:2753)
    at net.sf.json.JSONObject._setInternal(JSONObject.java:2777)
    at net.sf.json.JSONObject.setValue(JSONObject.java:1503)
    at net.sf.json.JSONObject._fromMap(JSONObject.java:1280)

    at net.sf.json.JSONObject.fromObject(JSONObject.java:180)
    at net.sf.json.JSONObject.fromObject(JSONObject.java:151)
    at demo.JsonDate.main(JsonDate.java:24)
Caused by: java.lang.reflect.InvocationTargetException

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:1773)
    at org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1132)

    at org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)
    at org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)
    at org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)

    at net.sf.json.JSONObject._fromBean(JSONObject.java:924)
    ... 8 more
Caused by: java.lang.IllegalArgumentException
    at java.sql.Date.getHours(Date.java:143)
    ... 18 more




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