Joerg Hoh created OAK-9801:
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Summary: Many SessionImpl operations just log a NPE if null values
provided
Key: OAK-9801
URL: https://issues.apache.org/jira/browse/OAK-9801
Project: Jackrabbit Oak
Issue Type: Improvement
Components: jcr
Reporter: Joerg Hoh
Fix For: 1.42.0
Many operations of {{SessionImpl}} require non-null parameters and ensure this
by using the {{checkNotNull}} method of Google Commons.
If actually provided a null value, it can look like this:
{noformat}
org.apache.sling.engine.impl.SlingRequestProcessorImpl service: Uncaught
Throwable
java.lang.NullPointerException: null
at
org.apache.jackrabbit.oak.jcr.session.SessionImpl.getNamespaceURI(SessionImpl.java:788)
[org.apache.jackrabbit.oak-jcr:1.42.0]
{noformat}
This NPE because of the failed is non-distinguishable from a "regular" NPE. We
should use the version of {{checkNotNull}} which allows to provide an error
string to indicate that the parameter validation failed.
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