.
.
> Hi Andi, Dan,
>
> I have another issue with Blob's on 1.16.2. If an action called using RO
> interface returns a null Blob I get a NPE. I believe somebody noticed
> already because when I look at [1] there has been taken care of this
> condition. When the action returns a non null value I get an exception
> on [2].
>
> Furthermore retrieving a Blob value from an entity directly using a
> query like 'tq.executeResultUnique(Blob.class, true, cand.logo)' (action
> called trough RO) is not solved by copying the files you mentioned
> before. In that case I get an exception:
>
> Creation of SQLExpression for mapping
> "org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping"
> caused error
> Unable to create SQLExpression for mapping of type
> "org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping"
> since not supported
> org.datanucleus.exceptions.NucleusException: Unable to create
> SQLExpression for mapping of type
> "org.apache.isis.objectstore.jdo.datanucleus.valuetypes.IsisBlobMapping"
> since not supported
>
> Any workaround for this too? ;-) Are these known issues or do you want
> me to raise an issue for these?
>
> Thanks,
> Erik
>
> [1]
>
>
https://github.com/apache/isis/blob/master/core/applib/src/main/java/org/apache/isis/schema/utils/CommonDtoUtils.java#L263> [2]
>
>
https://github.com/apache/isis/blob/master/core/viewer-restfulobjects-rendering/src/main/java/org/apache/isis/viewer/restfulobjects/rendering/util/OidUtils.java#L51>
>
> On 03/14/2018 11:05 AM, Andi Huber wrote:
> > Thanks Erik!
> >
> > Good to know. Remember, this is just a workaround, we definitely will
> try to fix this.
> >
> > Cheers Andi.
> >
> > On 2018/03/14 09:57:05, Erik de Hair <[EMAIL PROTECTED]> wrote:
> >> Hi Andi,
> >>
> >> Thank you very much! This helped. Everything's working fine now.
> >>
> >> Erik
> >>
> >> On 03/14/2018 10:31 AM, Andi Huber wrote:
> >>> Hi Erik,
> >>>
> >>> strangely we had the same symptoms when working on the coming 2.0.0-M1
> >>> release. We tracked it down to the fact, that Isis' datanucleus
> >>> extensions don't get installed during bootstrapping.
> >>>
> >>> Would be interesting to see, whether our current workaround [1] (to
> copy
> >>> over 2 files into your domain code) solves the issue. (Please let us
> know!)
> >>>
> >>> * /plugin.xml
> >>> * /META-INF/MAINFEST.MF
> >>>
> >>> As of version 1.16.x these files are in the isis-core-runtime jar file
> >>> of the release.
> >>>
> >>> Cheers Andi
> >>>
> >>> [1]
https://issues.apache.org/jira/browse/ISIS-1902> >>>
> >>> On 2018/03/14 08:35:14, Erik de Hair <[EMAIL PROTECTED]> wrote:
> >>>> Hi,
> >>>>
> >>>> I'm having troubles with Blob fields after upgrading to Apache Isis
> >>>> 1.16.2 (not sure if this was also the case for 1.16.[0-1]). The
> feature
> >>>> is using existing data we had no problems with before upgrading.
> >>>>
> >>>> My field definition:
> >>>>
> >>>> @javax.jdo.annotations.Persistent(defaultFetchGroup="false", columns
> = {
> >>>> Â Â Â Â Â Â Â Â Â Â Â @javax.jdo.annotations.Column(name =
> "file_name",
> >>>> allowsNull = "false"),
> >>>> Â Â Â Â Â Â Â Â Â Â Â @javax.jdo.annotations.Column(name =
> "file_mimetype",
> >>>> allowsNull = "false"),
> >>>> Â Â Â Â Â Â Â Â Â Â Â @javax.jdo.annotations.Column(name =
> "file_bytes",
> >>>> jdbcType="BLOB", sqlType = "BLOB", allowsNull = "false")
> >>>> Â Â Â Â Â Â Â })
> >>>> Â Â Â @Property(editing=Editing.DISABLED,
> optionality=Optionality.MANDATORY)
> >>>> Â Â Â @Getter @Setter
> >>>> Â Â Â private Blob file;