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CASSANALYTICS-178: CDC logs NPE for deleted column values #242

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Merged
bbotella merged 1 commit into from
Sep 16, 2026
Merged

CASSANALYTICS-178: CDC logs NPE for deleted column values #242

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10 changes: 9 additions & 1 deletion cassandra-analytics-cdc-codec/src/main/java/org/apache/cassandra/cdc/CdcLogMode.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@

package org.apache.cassandra.cdc;

import java.nio.ByteBuffer;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
Expand Down Expand Up @@ -155,10 +156,17 @@ public static CdcLogMode fromOption(String name)

private static String columnToString(Value fieldValue)
{
ByteBuffer value = fieldValue.getValue();
if (value == null)
{
// null value means the column is deleted; not a deserialization failure
return String.format("[%s : null]", fieldValue.columnName);
}

try
{
CqlField.CqlType type = typeLookup.apply(KeyspaceTypeKey.of(fieldValue.keyspace, fieldValue.columnType));
Object javaValue = type.deserializeToJavaType(fieldValue.getValue());
Object javaValue = type.deserializeToJavaType(value);
return String.format("[%s : %s]", fieldValue.columnName, javaValue);
}
catch (Throwable t)
Expand Down
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