From the FAQ (http://www.eclemma.org/jacoco/trunk/doc/faq.html):
Q: My code uses reflection. Why does it fail when I execute it with
JaCoCo?
A: To collect execution data JaCoCo instruments the classes under test
which adds two members to the classes: A private static field
$jacocoData and a private static method $jacocoInit(). Both members are
marked as synthetic. Please change your code to ignore synthetic
members. This is a good practice anyways as also the Java compiler
creates synthetic members in certain situation.
So in your particular case you will probably add the following check:
if (!fie.isSynthetic()) {
Object fvalue = getFieldValue(fie, vo);
request.setAttribute(fie.getName(), fvalue);
}
Regards,
-marc
On 2015-04-15 04:13, Steven wrote:
Hi All,
I use reflection in code as follow:
public static void setFormFieldsToRequest(Object vo,
HttpServletRequest request) throws Exception {
Field[] fields = vo.getClass().getDeclaredFields();
Field fie = null;
for (int i = 0; i < fields.length; i++) {
fie = fields[i];
if (fie.getName().equals("serialVersionUID"))
continue;
else {
Object fvalue = getFieldValue(fie, vo);
request.setAttribute(fie.getName(), fvalue);
}
}
}
It throwed the follow exception:
at Caused by: java.lang.Exception: can't process the type: class [Z
at
com.test.web.ap.action.APActionUtil.getFieldValue(APActionUtil.java:301)
at
com.test.web.ap.action.APActionUtil.setFormFieldsToRequest(APActionUtil.java:240)
at
I viewed the section about reflection on FAQ page.
It may cause to get incorrect coverage if use reflection in code. But
the application fails to run now.
I know that it can exclude some packages by using the key word
'exclude='com.test.web.*'',
but if I have many those codes in different packages which may lead to
miscellaneous conf.
I want to exclude those codes that use reflection simply, any
suggestion ? Thanks.
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