JCR2SPI: NPE when parentId returned by NodeInfo.getParentId does not show up in
parent's child node list
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Key: JCR-615
URL: http://issues.apache.org/jira/browse/JCR-615
Project: Jackrabbit
Issue Type: Bug
Components: SPI
Environment: JCR2SPI run against a custom SPI implementation
Reporter: Julian Reschke
In this custom SPI implementation, version history nodes appear as children of
jcr:versionStorage, but jcr:versionStorage does not return them as children
(which would be impractical for performance reasons - I expect similar
approaches used by others...).
getParentId of a NodeInfo of a VersionHistory return the NodeId for
jcr:versionStorage. In this case, I get the NPE below:
java.lang.NullPointerException
at
org.apache.jackrabbit.jcr2spi.state.WorkspaceItemStateFactory.createNodeState(WorkspaceItemStateFactory.java:99)
at
org.apache.jackrabbit.jcr2spi.state.CachingItemStateManager.resolve(CachingItemStateManager.java:168)
at
org.apache.jackrabbit.jcr2spi.state.CachingItemStateManager.getItemState(CachingItemStateManager.java:94)
at
org.apache.jackrabbit.jcr2spi.WorkspaceManager.getItemState(WorkspaceManager.java:328)
at
org.apache.jackrabbit.jcr2spi.state.TransientISFactory.createNodeState(TransientISFactory.java:120)
at
org.apache.jackrabbit.jcr2spi.state.CachingItemStateManager.resolve(CachingItemStateManager.java:168)
at
org.apache.jackrabbit.jcr2spi.state.CachingItemStateManager.getItemState(CachingItemStateManager.java:94)
at
org.apache.jackrabbit.jcr2spi.state.TransientItemStateManager.getItemState(TransientItemStateManager.java:209)
at
org.apache.jackrabbit.jcr2spi.state.SessionItemStateManager.getItemState(SessionItemStateManager.java:155)
at
org.apache.jackrabbit.jcr2spi.SessionImpl.getNodeById(SessionImpl.java:271)
at
org.apache.jackrabbit.jcr2spi.SessionImpl.getNodeByUUID(SessionImpl.java:239)
Returning null in this special case fixes the problem over here, but seems to
create new problems elsewhere.
Need to clarify the SPI itself, and potentially fix JCR2CPI.
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