[OS-JIRA] Created: (WOL-1093) Entity Modeler - Generate SQL NPE after renaming a relation join attribute

From: John Huss (JIRA) ("John)
Date: Fri Sep 18 2009 - 22:27:01 EDT

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Entity Modeler - Generate SQL NPE after renaming a relation join attribute
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                 Key: WOL-1093
                 URL: http://issues.objectstyle.org/jira/browse/WOL-1093
             Project: WOProject/WOLips
          Issue Type: Bug
          Components: wolips
    Affects Versions: WOLips 3.3.2.* (nightly build please specify)
         Environment: WOLips 3.4.5950
            Reporter: John Huss
            Priority: Minor

Entity Modeler - Generate SQL NPE after renaming a relation join attribute

Steps to reproduce
1) Create two entities to be used in a One to Many relationship, like Invoice and Item
2) Select the "many" entity in the relationship (Item)
3) Click new relationship
4) Select Invoice as the destination and click ok
5) Save
6) Rename the generated attribute invoiceID to invoicID
7) Save
8) Select the Item entity
9) Generate SQL
10) NPE
11) If you close and re-open the model you see verification failures - "Item: Missing attribute named 'invoiceID' in item" and "Invoice/rel: items - items has a join with a missing attribute"

java.lang.RuntimeException: Failed to generate SQL.
        at org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory$ReflectionSQLGenerator.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:60)
        at org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog.generateSql(GenerateSQLDialog.java:298)
        at org.objectstyle.wolips.eomodeler.actions.GenerateSQLDialog$1.run(GenerateSQLDialog.java:279)
        at java.lang.Thread.run(Thread.java:613)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:592)
        at org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGeneratorFactory$ReflectionSQLGenerator.generateSchemaCreationScript(EOFSQLGeneratorFactory.java:58)
        ... 3 more
Caused by: java.lang.NullPointerException
        at com.webobjects.eoaccess.EORelationship.addJoin(EORelationship.java:1380)
        at com.webobjects.eoaccess.EORelationship.awakeWithPropertyList(EORelationship.java:943)
        at com.webobjects.eoaccess.EOEntity.relationships(EOEntity.java:1071)
        at com.webobjects.eoaccess.EORelationship.inverseRelationship(EORelationship.java:555)
        at com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory.foreignKeyConstraintStatementsForRelationship(EOSchemaSynchronizationFactory.java:253)
        at com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory._foreignKeyConstraintStatementsForEntityGroup(EOSchemaSynchronizationFactory.java:958)
        at com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory.schemaCreationStatementsForEntities(EOSchemaSynchronizationFactory.java:903)
        at com.webobjects.eoaccess.synchronization.EOSchemaSynchronizationFactory.schemaCreationScriptForEntities(EOSchemaSynchronizationFactory.java:685)
        at com.webobjects.eoaccess.EOSynchronizationFactory.schemaCreationScriptForEntities(EOSynchronizationFactory.java:233)
        at org.objectstyle.wolips.eomodeler.core.sql.EOFSQLGenerator.generateSchemaCreationScript(EOFSQLGenerator.java:483)
        ... 8 more

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Next message: John Huss (JIRA): "[OS-JIRA] Created: (WOL-1094) Entity Modeler - Exception in error log when expanding entity in outline view"
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