Dear All,
I'm using jdbforms 2.5- snapshot of 18 august.
Now I'm dealing with diskblobs and I wanna to upload a photo of a person:
this is the xml element in dbforms-config.xml:
<table name="person_photo" blobHandling="classic">
<field name="id_person" fieldType="int" isKey="true" />
<field name="photo_filename" fieldType="diskblob"
directory="/opt/tomcat/webapps/uwcad2/externalfiles/photo" encoding="true"/>
<field name="updatedate" fieldType="int"/>
<field name="lastusermod" fieldType="varchar" size="15"/>
</table>
Now my form is very simple:
it's a subform... with a db:file field where to put the filename of the file to
upload..... I enclosed the piece of jsp code of that form...
This code was ok on dbforms 1.1.4pr2. I know that blob management has
drammaticaly changed in this version....
I debugged the application with dbform sources of 18 august.
Catalina gives me this error:
2004-09-20 16:41:52 StandardWrapperValve[control]: Servlet.service() for servlet
control threw exception
java.lang.NullPointerException
at
org.dbforms.event.datalist.dao.DataSourceJDBC.fillWithData(DataSourceJDBC.java:600)
at
org.dbforms.event.datalist.dao.DataSourceJDBC.doUpdate(DataSourceJDBC.java:270)
at
org.dbforms.event.datalist.dao.DataSourceFactory.doUpdate(DataSourceFactory.java:278)
at
org.dbforms.event.datalist.UpdateEvent.processEvent(UpdateEvent.java:165)
...........etc..........etc..........etc..........
with the debugger I discovered that in line 597 of the DataSourceJDBC.java it
exists an instruction like:
else if (fieldType == FieldTypes.DISKBLOB) {
FileHolder fileHolder = fv.getFileHolder();
and in my case fileHorder is setted to null... so the next instruction
String fileName = fileHolder.getFileName();
throws the exception...
Is this a bug or a setting that I'm not able to set....
If it's a bug could I work-around the problem (or correct it=)?
Like all the other times... thanks
Ivan
---------- PIECE OF JSP CODE ----------
<db:dbform
maxRows="1"
multipart="true"
followUp="<%=additional_Info.getTab6().getDbformFollowup() %>"
tableName="person_photo"
parentField="id_person"
childField="id_person"
captionResource="true"
>
<db:header>
</db:header>
<db:body allowNew="true">
<!-- INSERISCO FILTRI FITTIZI PER POSIZIONAMENTO SU
PERSONA e ANNO
ACCADEMICO, prima non avveniva -->
<input type="hidden" name='<%=(String)
searchFieldNames_person_photo.get("id_person") %>'
value="<%=additional_Info.getIdPerson() %>">
<tr>
<td class="nfield">ID person</td>
<td class="nfield">
<db:label fieldName="id_person"
nullFieldValue="" pattern="####"/>
<db:textField fieldName="id_person"
overrideValue="<%=additional_Info.getIdPerson() %>" />
</td>
</tr>
<tr>
<td colspan="2" align="center">Photo filename:
<db:file
fieldName="photo_filename" /></td>
</tr>
<hr>
<!-- LAST_UPDATE -->
<%@ include
file="/business_objects/__sys_includes/sys_lastupdate.jsp.inc"
%></db:body>
<db:footer>
<tr>
<td>
</td>
<td>
<db:insertButton showAlways="false"
caption="button.save"
styleClass="button"/>
<db:updateButton caption="button.save"
styleClass="button"/>
<db:deleteButton
caption="button.delete" styleClass="button"
confirmMessage="alert.delete" />
</td>
</tr>
</db:footer>
</db:dbform>
</gui:window>
-----------------------
Ivan Codarin
-----------------------
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