Still fighting with Direct2Web and the Movie EOModel.
Migration is failing with a NPE that I could trace to the ERTag not
having a /columnName/ and therefore not /externalType/ for its /id
/attribute. As I have been watching videos and noticed that this EOModel
is always being used, I assume I am doing something wrong or my
properties file is not correct.
As you can see in this EOEntity, the second EOAttribute is missing
something:
<EOEntity MovieTag
<EOAttribute item_movieID
columnName : 'item_MOVIE_ID'
name : 'item_movieID'
externalType : 'integer'
>
<EOAttribute tag_id
columnName : 'tag_null'
name : 'tag_id'
>
<EORelationship ERTag
joinSemantic : 'EOInnerJoin'
isToMany : 'N'
joins : '({sourceAttribute = "tag_id"; destinationAttribute =
"id"; })'
name : 'ERTag'
destination : 'ERTag'
isMandatory : 'Y'
>
<EORelationship Movie
joinSemantic : 'EOInnerJoin'
isToMany : 'N'
joins : '({sourceAttribute = "item_movieID";
destinationAttribute = "movieID"; })'
name : 'Movie'
destination : 'Movie'
isMandatory : 'Y'
>
Caused by: java.lang.NullPointerException
at
com.webobjects.jdbcadaptor.JDBCExpression.columnTypeStringForAttribute(JDBCExpression.java:160)
at
com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory._columnCreationClauseForAttribute(EOSchemaSynchronizationFactory.java:2124)
at
com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory.createTableStatementsForEntityGroup(EOSchemaSynchronizationFactory.java:350)
at
er.taggable.migrations.ERTaggableEntity0.upgrade(ERTaggableEntity0.java:103)
at
er.taggable.migrations.ERTaggableEntity0.upgrade(ERTaggableEntity0.java:75)
at
er.extensions.migration.ERXMigrationDatabase$Migration.upgrade(ERXMigrationDatabase.java:440)
at
er.extensions.migration.ERXMigrator$ERXMigrationAction.doPerform(ERXMigrator.java:481)
Thanks again.
On 06.08.2016 21:39, Theodore Petrosky wrote:
I had the same problem myself. My ‘solution’ was to switch the
database to postgresql. I realize this doesn’t address the problem,
but sometimes you just have to get work done.
Ted
On Aug 6, 2016, at 3:19 PM, anon <[email protected]
<mailto:[email protected]>> wrote:
Hello,
I have decided that I was going to spend some time learning D2W. I
have been trying to get the ERMovies example to work, but the h2
database seems to not be started when the application is run. Am I
supposed to start the jdbc:h2:file myself in the code or is the
example supposed to start the database automatically? Here is the
error that I get:
/
//failed to open database channel. Check your connection dictionary,
and ensure your database is correctly configured./
Thanks,
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