[jira] [Closed] (CAY-2071) NullPointerException doing sync in ObjEntity with null target in dbRelationship

["Andrus Adamchik (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAY-2071?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrus Adamchik closed CAY-2071.
--------------------------------
    Resolution: Cannot Reproduce

Newer builds of the Modeler (after cayenne-dbsync) no longer exhibit this problem. Given a specific mapping, I can reproduce this on May 26, 2016 build, but not on Oct 12 build.

> NullPointerException doing sync in ObjEntity with null target in dbRelationship
> -------------------------------------------------------------------------------
>
>                 Key: CAY-2071
>                 URL: https://issues.apache.org/jira/browse/CAY-2071
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Modeler
>    Affects Versions: 4.0.M4
>            Reporter: Olga Bondareva
>
> Steps:
> 1) Create a dbEntity
> 2) Create related mapped objEntity
> 3) Add relationship to dbEntity without setting target
> 4) ObjEntity->Properties->Sync ObjEntity with DbEntity
> Bad idea to pass null into java.util.StringTokenizer (in our context bad idea to create objEntityName from null))
> When we create new dbRelationship and don't add a target dbEntity and then from objEntity try to do sync:
> java.lang.NullPointerException
> 	at java.util.StringTokenizer.<init>(StringTokenizer.java:199)
> 	at java.util.StringTokenizer.<init>(StringTokenizer.java:221)
> 	at org.apache.cayenne.map.naming.NameConverter.underscoredToJava(NameConverter.java:80)
> 	at org.apache.cayenne.map.naming.DefaultNameGenerator.createObjEntityName(DefaultNameGenerator.java:80)
> 	at org.apache.cayenne.util.EntityMergeSupport.addMissingRelationships(EntityMergeSupport.java:189)
> 	at org.apache.cayenne.util.EntityMergeSupport.synchronizeWithDbEntity(EntityMergeSupport.java:162)
> 	at org.apache.cayenne.modeler.action.ObjEntitySyncAction.synchObjEntity(ObjEntitySyncAction.java:84)
> 	at org.apache.cayenne.modeler.action.ObjEntitySyncAction.performAction(ObjEntitySyncAction.java:68)
> 	at org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:162)
> 	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
> 	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
> 	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
> 	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
> 	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
> 	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
> 	at java.awt.Component.processMouseEvent(Component.java:6516)
> 	at javax.swing.JComponent.processMouseEvent(JComponent.java:3312)
> 	at java.awt.Component.processEvent(Component.java:6281)
> 	at java.awt.Container.processEvent(Container.java:2229)
> 	at java.awt.Component.dispatchEventImpl(Component.java:4872)
> 	at java.awt.Container.dispatchEventImpl(Container.java:2287)
> 	at java.awt.Component.dispatchEvent(Component.java:4698)
> 	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
> 	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
> 	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
> 	at java.awt.Container.dispatchEventImpl(Container.java:2273)
> 	at java.awt.Window.dispatchEventImpl(Window.java:2719)
> 	at java.awt.Component.dispatchEvent(Component.java:4698)
> 	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:747)
> 	at java.awt.EventQueue.access$300(EventQueue.java:103)
> 	at java.awt.EventQueue$3.run(EventQueue.java:706)
> 	at java.awt.EventQueue$3.run(EventQueue.java:704)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
> 	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
> 	at java.awt.EventQueue$4.run(EventQueue.java:720)
> 	at java.awt.EventQueue$4.run(EventQueue.java:718)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:77)
> 	at java.awt.EventQueue.dispatchEvent(EventQueue.java:717)
> 	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
> 	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
> 	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
> 	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
> 	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
> 	at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)



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