Shawn Heisey created SOLR-8770:
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Summary: BinaryRequestWriter interprets null object in field as
literal "NULL" string
Key: SOLR-8770
URL: https://issues.apache.org/jira/browse/SOLR-8770
Project: Solr
Issue Type: Bug
Components: clients - java
Affects Versions: 5.5
Reporter: Shawn Heisey
>From what I've been able to determine, if a null object is added with
>SolrInputDocument#addField, the xml writer does not include that field in the
>request, but the binary writer sends the literal string "NULL".
This became apparent when upgrading SolrJ to 5.5, which uses the binary writer
by default. Switching back to 5.4.1 fixed it, until I forced the 5.4.1 client
to use the binary writer. My source data is MySQL. JDBC is where the null
objects are coming from.
Adding a null check to my doc.addField call has fixed my program with the 5.5
client, but this is likely to catch other upgrading users off guard.
At the very least, the 5.5.1 CHANGES.txt file needs a note, but I believe the
behavior of the binary writer should match the behavior of the xml writer.
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