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From "Bob Wieler (JIRA)" <j...@apache.org>
Subject [jira] Created: (JCR-908) Unable to properly restore a previous version of a node that contains multivalue properties.
Date Wed, 09 May 2007 15:14:15 GMT
Unable to properly restore a previous version of a node that contains multivalue properties.
--------------------------------------------------------------------------------------------

                 Key: JCR-908
                 URL: https://issues.apache.org/jira/browse/JCR-908
             Project: Jackrabbit
          Issue Type: Bug
          Components: core
    Affects Versions: 1.3
            Reporter: Bob Wieler


An ArrayIndexOutOfBoundsException occurs when I am trying to restore a previous version of
a node when it contains empty multi value properties.

Here is a stack trace for where in he core code the exception is occurring:

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: 0
	at org.apache.jackrabbit.core.NodeImpl.restoreFrozenState(NodeImpl.java:3856)
	at org.apache.jackrabbit.core.NodeImpl.internalRestore(NodeImpl.java:3799)
	at org.apache.jackrabbit.core.NodeImpl.internalRestore(NodeImpl.java:3760)
	at org.apache.jackrabbit.core.NodeImpl.restore(NodeImpl.java:3057)
...

Line 3856 in NodeImpl.restoreFrozenState is:

                internalSetProperty(props[i].getName(), prop.getValues()[0]);

This is always being called even for multivalued properties (the previous "if (prop.isMultiValued())"
is always returning false). Even if I have a value in the multi-value property, only the first
item is restored because the prop.isMultiValued() call in NodeImpl.restoreFrozenState() never
returns true regardless of whether the property is multivalued or not.


The node definition is:

  <nodeType name="bob:customType"
            isMixin="false"
            hasOrderableChildNodes="false"
            primaryItemName="">
    <supertypes>
      <supertype>mix:lockable</supertype>
      <supertype>mix:versionable</supertype>
    </supertypes>
    <propertyDefinition name="bob:properties"
                        requiredType="Reference"
                        autoCreated="false"
                        mandatory="true"
                        onParentVersion="COPY"
                        protected="false"
                        multiple="true"/>
  </nodeType>

A new node is created with the primary type being "bob:customType" and an empty array of References
is set as the value for that property in the node.

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