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https://issues.apache.org/jira/browse/JS2-1031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ate Douma resolved JS2-1031.
----------------------------
Resolution: Fixed
Fixed by adding a new method Entity.getAttribute(String name, boolean create)
which can automatically add an attribute of the right type (multi or single
value).
> Ldap AttributeBasedRelationDAO class gets NullPointerException when trying to
> create a relation between two ldap entities
> -------------------------------------------------------------------------------------------------------------------------
>
> Key: JS2-1031
> URL: https://issues.apache.org/jira/browse/JS2-1031
> Project: Jetspeed 2
> Issue Type: Bug
> Components: LDAP
> Affects Versions: 2.2.0
> Environment: Windows XP, JRE 1.6.0.11, Tomcat 6.0.18, Apache DS 1.0.2
> Reporter: Aysegul Aydin Isiktekin
> Assignee: Ate Douma
> Fix For: 2.2.1
>
>
> AttributeBasedRelationDAO class gets NullPointerException when trying to
> create a relation between two ldap entities. StackTrace is as follows:
> -----------------------------------------------------------------------------------------------------------------------------
> SEVERE: Servlet.service() for servlet JetspeedContainer threw exception
> java.lang.NullPointerException
> at
> org.apache.jetspeed.security.mapping.ldap.dao.impl.AttributeBasedRelationDAO.internalAddRelation(AttributeBasedRelationDAO.java:165)
> at
> org.apache.jetspeed.security.mapping.ldap.dao.impl.AttributeBasedRelationDAO.addRelation(AttributeBasedRelationDAO.java:230)
> at
> org.apache.jetspeed.security.mapping.ldap.dao.DefaultLDAPEntityManager.addRelation(DefaultLDAPEntityManager.java:88)
> at
> org.apache.jetspeed.security.spi.impl.JetspeedPrincipalLdapAssociationStorageManager.addAssociation(JetspeedPrincipalLdapAssociationStorageManager.java:56)
> ...more
> -----------------------------------------------------------------------------------------------------------------------------
> To fix the problem AttributeBasedRelationDAO class line 164
> (internalAddRelation method body) should be changed from:
> --------------------------------------------
> if(relationAttribute == null)
> {
> fromEntity.setAttribute(this.relationAttribute,new
> ArrayList<String>());
> }
> --------------------------------------------
> to:
> --------------------------------------------
> if (relationAttribute == null)
> {
> fromEntity.setAttribute(this.relationAttribute, new
> ArrayList<String>());
> relationAttribute =
> fromEntity.getAttribute(this.relationAttribute);
> }
> --------------------------------------------
> Just setting the attribute leaves relationAttribute NULL, causing the NPE.
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