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[SPARK-49872][FOLLOWUP] Remove Jackson JSON string length limit in KVStoreScalaSerializer #53711

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[SPARK-49872][FOLLOWUP] Remove Jackson JSON string length limit in KVStoreScalaSerializer #53711

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5 changes: 5 additions & 0 deletions core/src/main/scala/org/apache/spark/status/KVUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ import scala.jdk.CollectionConverters._
import scala.reflect.{classTag, ClassTag}

import com.fasterxml.jackson.annotation.JsonInclude
import com.fasterxml.jackson.core.StreamReadConstraints
import com.fasterxml.jackson.module.scala.DefaultScalaModule
import org.fusesource.leveldbjni.internal.NativeDB
import org.rocksdb.RocksDBException
Expand Down Expand Up @@ -76,6 +77,10 @@ private[spark] object KVUtils extends Logging {
mapper.registerModule(DefaultScalaModule)
mapper.setDefaultPropertyInclusion(JsonInclude.Include.NON_ABSENT)

// SPARK-49872: Remove jackson JSON string length limitation.
mapper.getFactory.setStreamReadConstraints(
StreamReadConstraints.builder().maxStringLength(Int.MaxValue).build()
)
}

/**
Expand Down