Re: Issue java.io.StreamCorruptedException

No. Never edit the generated classes.
You can set the mapped class in the modeler. 

Sent from my iPhone

> On 1 Nov 2020, at 14:30, Giuseppe De Rosa <[email protected]> wrote:
> 
> So I need to modify the generated class, right? Actually for clob field I have this situation:
> 
> public void setRequest(String request) {
>        writeProperty(REQUEST, request);
> }
> 
> public String getRequest() {
>    return (String)readProperty(REQUEST);
> }
> 
> How to change it?
> 
>> On 2020/10/31 15:33:57, Amedeo Mantica <[email protected]> wrote: 
>> I guess you should map it as
>> 
>> org.apache.cayenne.access.types.CharType
>> 
>> Amedeo
>> 
>>>> On 31 Oct 2020, at 15:51, Giuseppe De Rosa <[email protected]> wrote:
>>> 
>>> I'm trying to make a simple select query but receive this error:
>>> 
>>> java.io.StreamCorruptedException: invalid stream header: 78780A1F 
>>> at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:857)
>>> 
>>> In datamap I have a db-attribute of type CLOB that I want read as a simple String.
>>> 
>>> <db-entity name="DISC">
>>>       <db-attribute name="DATE" type="TIMESTAMP" isMandatory="true" length="7"/>
>>>       <db-attribute name="ID" type="INTEGER" isPrimaryKey="true" isMandatory="true"/>
>>>       <db-attribute name="FLAG" type="VARCHAR" isMandatory="true"/>
>>>       <db-attribute name="REQUEST" type="CLOB" isMandatory="false"/>
>>>       <db-key-generator>
>>>           <db-generator-type>ORACLE</db-generator-type>
>>>           <db-generator-name>DISC_SEQ</db-generator-name>
>>>           <db-key-cache-size>1</db-key-cache-size>
>>>       </db-key-generator>
>>> </db-entity>
>>> <obj-entity name="Disc" className="it.pack.dao.Disc" dbEntityName="DISC">
>>>       <obj-attribute name="date" type="java.time.LocalDateTime" db-attribute-path="DATE"/>
>>>       <obj-attribute name="id" type="java.lang.Integer" db-attribute-path="ID"/>
>>>       <obj-attribute name="flag" type="java.lang.String" db-attribute-path="FLAG"/>
>>>       <obj-attribute name="request" type="java.lang.String" db-attribute-path="REQUEST"/>
>>> </obj-entity>
>>> 
>>> I think that CLOB cannot map to java.lang.String but how can I read it?
>> 
>>