Ryan Skraba created AVRO-3783:
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Summary: [Java] Deserialize byte lengths as LONG but limit to INT
Key: AVRO-3783
URL: https://issues.apache.org/jira/browse/AVRO-3783
Project: Apache Avro
Issue Type: Bug
Reporter: Jack Klamer
Assignee: Jack Klamer
Fix For: 1.11.2
In the spec, the encoding for the bytes type is bytes are encoded as a long
followed by that many bytes of data.. In the Java binary decoders they are read
as ints this is not a correctness issue because the VLE of the long is the same
as that of an equivalently valued int. The int is used (I assume) to enable
easier interop with the ByteBuffer java class. But in the rare cases where
validly encoded data of more than MAX_ARRAY_SIZE bytes is found, this change
will cause an error of
{code}
throw new UnsupportedOperationException(
"Cannot read arrays longer than " + MAX_ARRAY_SIZE + " bytes in Java
library");
{code}
instead of
{code}
throw new InvalidNumberEncodingException("Invalid int encoding");
{code}
This type of checking is consistent with what happens in readString which reads
its size as a long.
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