net.sf.json.JSONException: java.lang.reflect.InvocationTargetException_不支持的特性: getdbaccessproperties-优快云博客

本文介绍了一个在将数据集合转换为JSON对象过程中遇到的异常：java.lang.reflect.InvocationTargetException，并提供了详细的异常堆栈跟踪。最终通过将引起异常的byte数组属性置空解决了问题。

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在后台查询出一个数据集合后,准备将它转成json对象给页面,结果报异常了:

net.sf.json.JSONException: java.lang.reflect.InvocationTargetException

at net.sf.json.JSONObject.defaultBeanProcessing(JSONObject.java:793)

   at net.sf.json.JSONObject._fromBean(JSONObject.java:689)
   at net.sf.json.JSONObject.fromObject(JSONObject.java:161)
   at net.sf.json.AbstractJSON._processValue(AbstractJSON.java:274)
   at net.sf.json.JSONObject._processValue(JSONObject.java:2573)
   at net.sf.json.JSONObject.processValue(JSONObject.java:2639)
   at net.sf.json.JSONObject.setInternal(JSONObject.java:2654)
   at net.sf.json.JSONObject.setValue(JSONObject.java:1349)

at net.sf.json.JSONObject.defaultBeanProcessing(JSONObject.java:740)

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:585)
   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.defaultBeanProcessing(JSONObject.java:724)
   ... 131 more
Caused by: java.sql.SQLException: 不支持的特性: getCursorName
   at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
   at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
   at oracle.jdbc.driver.BaseResultSet.getCursorName(BaseResultSet.java:37)
   at com.mchange.v2.c3p0.impl.NewProxyResultSet.getCursorName(NewProxyResultSet.java:545)
   ... 141 more