Nick Bruno created ARROW-11788:
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Summary: [Java] Appending Empty List Vector yields NPE
Key: ARROW-11788
URL: https://issues.apache.org/jira/browse/ARROW-11788
Project: Apache Arrow
Issue Type: Bug
Components: Java
Affects Versions: 3.0.0
Reporter: Nick Bruno
Attempting to append a list vector that is empty to another vector that is also
empty using VectorAppender raises an NPE. Instead, it should just skip
processing and do nothing.
{noformat}
java.lang.IndexOutOfBoundsException: index: 0, length: 4 (expected: range(0,
0))java.lang.IndexOutOfBoundsException: index: 0, length: 4 (expected: range(0,
0))
at org.apache.arrow.memory.ArrowBuf.checkIndexD(ArrowBuf.java:318) at
org.apache.arrow.memory.ArrowBuf.chk(ArrowBuf.java:305) at
org.apache.arrow.memory.ArrowBuf.getInt(ArrowBuf.java:424) at
org.apache.arrow.vector.util.VectorAppender.visit(VectorAppender.java:195) at
org.apache.arrow.vector.util.VectorAppender.visit(VectorAppender.java:45) at
org.apache.arrow.vector.complex.ListVector.accept(ListVector.java:449){noformat}
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