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https://issues.apache.org/jira/browse/OAK-4986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15604594#comment-15604594
]
Julian Reschke commented on OAK-4986:
-------------------------------------
(with JDK8)
{noformat}
cacheUpdateInvalidateWithIDs[RDBFixture:
RDB-Postgres](org.apache.jackrabbit.oak.plugins.document.ConcurrentQueryAndInvalidateIT)
Time elapsed: 0.305 sec <<< ERROR!
org.apache.jackrabbit.oak.plugins.document.DocumentStoreException:
java.lang.NullPointerException
at
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.readDocumentUncached(RDBDocumentStore.java:1503)
at
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.readDocumentCached(RDBDocumentStore.java:1137)
at
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.find(RDBDocumentStore.java:231)
at
org.apache.jackrabbit.oak.plugins.document.rdb.RDBDocumentStore.find(RDBDocumentStore.java:226)
at
org.apache.jackrabbit.oak.plugins.document.ConcurrentQueryAndInvalidateIT.cacheUpdate(ConcurrentQueryAndInvalidateIT.java:113)
at
org.apache.jackrabbit.oak.plugins.document.ConcurrentQueryAndInvalidateIT.cacheUpdateInvalidateWithIDs(ConcurrentQueryAndInvalidateIT.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
{noformat}
> RDBDocumentStore: potential NPE in document read
> ------------------------------------------------
>
> Key: OAK-4986
> URL: https://issues.apache.org/jira/browse/OAK-4986
> Project: Jackrabbit Oak
> Issue Type: Technical task
> Components: rdbmk
> Reporter: Julian Reschke
> Assignee: Julian Reschke
> Priority: Minor
>
> {{RDBDocumentSerializer.fromRow()}} assumes that {{row.getData()}} always is
> non-null, which isn't guaranteed when it's the result of a conditional read
> operation.
> This NPE has been seen in testing, but couldn't be reproduced at that time.
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