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POopenjpa: illegal argument exception for value object
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  1. POopenjpa: illegal argument exception for value object
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    copied!<p>there is a NamedQuery like this:</p> <pre><code>@NamedQuery(name = "getOpakOdeslaniForPartner", query = "select </code></pre> <p>new com.vo.OpakOdeslaniVO(opak.pocetPokusu, opak.idSekvenceOpakovani.idOpakSekvence, opak.idSekvenceOpakovani.sekvence) from GmOpakOdeslani opak, GmPrijemce prij where opak.idTypZpravy.idTypZpravy = :typZpravy and opak.idPrijemce = prij and prij.idPrijemceTyp.idPrijemceTyp = :typPrijemce"</p> <p>The value object has single constructor with three parameters.</p> <p>There is a such log (WebLogic 11g, HP-UX):</p> <pre><code>Caused by: &lt;openjpa-1.1.1-SNAPSHOT-r422266:1172209 nonfatal user error&gt; org.apache.openjpa.util.UserException: There was an error packing the projection and/or aggregate results of the query into result type "class com..vo.OpakOdeslaniVO". See the nested Throwable exception for details. at org.apache.openjpa.kernel.ResultPacker.packUserType(ResultPacker.java:262) at org.apache.openjpa.kernel.ResultPacker.pack(ResultPacker.java:225) at org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.getResultObject(QueryImpl.java:1960) at com..service.OpakOdeslani.getOpakOdeslaniForPartner(.java:52) at sun.reflect.GeneratedMethodAccessor1516.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) Caused by: java.lang.IllegalArgumentException at sun.reflect.GeneratedConstructorAccessor747.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.apache.openjpa.kernel.ResultPacker.packUserType(ResultPacker.java:235) ... 114 more </code></pre> <p>Actually I feel stuck, as there is no explanation message for IllegalArgumentException and I cannot find a source code for GeneratedConstructorAccessor747 class. Any idea, what is going on and how to fix this issue? I guess there must be some problem with the value object constructor or class.</p> <p>Thank you</p>
 

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