Sebastian Klemke created FLINK-8230:
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Summary: NPE in OrcRowInputFormat on nested structs
Key: FLINK-8230
URL: https://issues.apache.org/jira/browse/FLINK-8230
Project: Flink
Issue Type: Bug
Components: Batch Connectors and Input/Output Formats
Affects Versions: 1.4.0
Reporter: Sebastian Klemke
Priority: Minor
OrcRowInputFormat ignores isNull and isRepeating on nested struct columns. If a
struct column contains nulls, it tries to read struct fields, leading to NPE in
case of string fields:
{code}
java.lang.NullPointerException
at java.lang.String.checkBounds(String.java:384)
at java.lang.String.<init>(String.java:462)
at
org.apache.flink.orc.OrcUtils.readNonNullBytesColumnAsString(OrcUtils.java:392)
at org.apache.flink.orc.OrcUtils.readField(OrcUtils.java:215)
at org.apache.flink.orc.OrcUtils.readStructColumn(OrcUtils.java:1203)
at org.apache.flink.orc.OrcUtils.readField(OrcUtils.java:252)
at
org.apache.flink.orc.OrcUtils.readNonNullStructColumn(OrcUtils.java:677)
at org.apache.flink.orc.OrcUtils.readField(OrcUtils.java:250)
at org.apache.flink.orc.OrcUtils.fillRows(OrcUtils.java:142)
at
org.apache.flink.orc.OrcRowInputFormat.ensureBatch(OrcRowInputFormat.java:334)
at
org.apache.flink.orc.OrcRowInputFormat.reachedEnd(OrcRowInputFormat.java:314)
at
org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:165)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718)
at java.lang.Thread.run(Thread.java:748)
{code}
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