[dna-issues] [JBoss JIRA] Created: (DNA-463) Federation connector incorrectly expects identification properties on all source nodes
Federation connector incorrectly expects identification properties on all source nodes
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Key: DNA-463
URL: https://jira.jboss.org/jira/browse/DNA-463
Project: DNA
Issue Type: Bug
Affects Versions: 0.5
Reporter: Randall Hauch
Assignee: Randall Hauch
Priority: Blocker
Fix For: 0.6
The JoinProcessor always expects identification properties on all nodes coming from
sources. Since some connectors do not have identification properties, this causes a
NullPointerException when accumulating the identification properties:
java.lang.NullPointerException
at
org.jboss.dna.graph.connector.federation.JoinRequestProcessor.process(JoinRequestProcessor.java:272)
at
org.jboss.dna.graph.request.processor.RequestProcessor.process(RequestProcessor.java:235)
at
org.jboss.dna.graph.connector.federation.JoinRequestProcessor.process(JoinRequestProcessor.java:164)
at
org.jboss.dna.graph.connector.federation.FederatedRepositoryConnection.execute(FederatedRepositoryConnection.java:220)
at
org.jboss.dna.graph.connector.RepositoryConnectionPool$ConnectionWrapper.execute(RepositoryConnectionPool.java:991)
at org.jboss.dna.graph.Graph.execute(Graph.java:243)
at org.jboss.dna.graph.Graph$5.process(Graph.java:186)
at org.jboss.dna.graph.request.RequestBuilder.readNode(RequestBuilder.java:139)
at org.jboss.dna.graph.Graph.getNodeAt(Graph.java:1843)
at org.jboss.dna.graph.Graph.getNodeAt(Graph.java:1853)
The problem is this snippet:
// Accumulate the identification properties ...
for (Property propertyInSource :
readFromSource.getActualLocationOfNode().getIdProperties()) {
...
}
since the JavaDoc for getIdProperties() says that it should return null if there are no
properties. This code should be wrapped with a check to see if the Location has
identification properties.
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