In changing to EODatabaseDataSource in the Session and ERXDisplayGroup in the
WOComponent from using templated woo files, I tripped up on the way because I
get a <java.lang.NullPointerException> when I try to bring in the current
transactions at startup.
After getting through the first 8 different table fetches I get a
NullPointerException on the last table, a SubCategory record. It's the only 2
deep fetch, (Transaction: Category: SubCategory) and does not have an Owner
reference, referring only to its Parent EO, Category.
The various records it tries to fetch below have correct contents in the DB and
there are 3 SubCategory rows in the Category table.
<WorkerThread15> evaluateExpression:
<com.webobjects.jdbcadaptor.FrontbasePlugIn$FrontbaseExpression: "SELECT
t0."CAT_ID", t0."SUB_CAT_ID", t0."SUB_CAT_NAME", t0."TOT_AMT_ALL",
t0."TOT_AMT_MONTH", t0."TOT_AMT_YEAR" FROM "SUB_CATEGORY" t0 WHERE t0."CAT_ID"
= 1000146" withBindings: >
3 row(s) processed
=== Commit Internal Transaction
<com.webobjects.appserver._private.WOComponentRequestHandler>: Exception
occurred while handling request:
com.webobjects.foundation.NSForwardException
[java.lang.reflect.InvocationTargetException]
null:java.lang.reflect.InvocationTargetException
com.webobjects.foundation.NSForwardException
[java.lang.reflect.InvocationTargetException]
null:java.lang.reflect.InvocationTargetException
at
com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:600)
at
com.webobjects.foundation._NSUtilities.instantiateObject(_NSUtilities.java:620)
...
Caused by: java.lang.NullPointerException
at
com.webobjects.eoaccess.EODatabaseDataSource.fetchObjects(EODatabaseDataSource.java:589)
at
com.webobjects.appserver.WODisplayGroup.fetch(WODisplayGroup.java:2132)
at
er.extensions.appserver.ERXDisplayGroup.fetch(ERXDisplayGroup.java:123)
at Components.CurrentSit.fillDisplayGroup(CurrentSit.java:64)
... 46 more
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