Apply shaded rules

Signed-off-by: Louis Chu <[email protected]>

build.sbt

@@ -3,6 +3,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 import Dependencies._
+import sbtassembly.AssemblyPlugin.autoImport.ShadeRule
 
 lazy val scala212 = "2.12.14"
 lazy val sparkVersion = "3.5.1"
@@ -43,7 +44,35 @@ lazy val compileScalastyle = taskKey[Unit]("compileScalastyle")
 // Run as part of test task.
 lazy val testScalastyle = taskKey[Unit]("testScalastyle")
 
+// Explanation:
+// - ThisBuild / assemblyShadeRules sets the shading rules for the entire build
+// - ShadeRule.rename(...) creates a rule to rename multiple package patterns
+// - "shaded.@0" means prepend "shaded." to the original package name
+// - .inAll applies the rule to all dependencies, not just direct dependencies
+val packagesToShade = Seq(
+  "com.amazonaws.cloudwatch.**",
+  "com.fasterxml.jackson.core.**",
+  "com.fasterxml.jackson.dataformat.**",
+  "com.fasterxml.jackson.databind.**",
+  "com.sun.jna.**",
+  "com.thoughtworks.paranamer.**",
+  "javax.annotation.**",
+  "org.apache.commons.codec.**",
+  "org.apache.commons.logging.**",
+  "org.apache.hc.**",
+  "org.apache.http.**",
+  "org.glassfish.json.**",
+  "org.joda.time.**",
+  "org.reactivestreams.**",
+  "org.yaml.**",
+  "software.amazon.**"
+)
 
+ThisBuild / assemblyShadeRules := Seq(
+  ShadeRule.rename(
+    packagesToShade.map(_ -> "shaded.flint.@0"): _*
+  ).inAll
+)
 
 lazy val commonSettings = Seq(
   javacOptions ++= Seq("-source", "11"),
@@ -89,6 +118,8 @@ lazy val flintCore = (project in file("flint-core"))
       "com.amazonaws" % "aws-java-sdk-cloudwatch" % "1.12.593"
         exclude("com.fasterxml.jackson.core", "jackson-databind"),
       "software.amazon.awssdk" % "auth-crt" % "2.28.10",
+      "com.fasterxml.jackson.core" % "jackson-core" % jacksonVersion,
+      "com.fasterxml.jackson.core" % "jackson-databind" % jacksonVersion,
       "org.projectlombok" % "lombok" % "1.18.30" % "provided",
       "org.scalactic" %% "scalactic" % "3.2.15" % "test",
       "org.scalatest" %% "scalatest" % "3.2.15" % "test",

spark-sql-application/src/main/scala/org/apache/spark/sql/FlintJobExecutor.scala

@@ -10,7 +10,6 @@ import java.util.Locale
 import com.amazonaws.services.glue.model.{AccessDeniedException, AWSGlueException}
 import com.amazonaws.services.s3.model.AmazonS3Exception
 import com.fasterxml.jackson.databind.ObjectMapper
-import com.fasterxml.jackson.module.scala.DefaultScalaModule
 import org.apache.commons.text.StringEscapeUtils.unescapeJava
 import org.opensearch.common.Strings
 import org.opensearch.flint.core.IRestHighLevelClient
@@ -45,7 +44,6 @@ trait FlintJobExecutor {
   this: Logging =>
 
   val mapper = new ObjectMapper()
-  mapper.registerModule(DefaultScalaModule)
 
   var currentTimeProvider: TimeProvider = new RealTimeProvider()
   var threadPoolFactory: ThreadPoolFactory = new DefaultThreadPoolFactory()
@@ -442,9 +440,10 @@ trait FlintJobExecutor {
       errorSource: Option[String] = None,
       statusCode: Option[Int] = None): String = {
     val errorMessage = s"$messagePrefix: ${e.getMessage}"
-    val errorDetails = Map("Message" -> errorMessage) ++
-      errorSource.map("ErrorSource" -> _) ++
-      statusCode.map(code => "StatusCode" -> code.toString)
+    val errorDetails = new java.util.LinkedHashMap[String, String]()
+    errorDetails.put("Message", errorMessage)
+    errorSource.foreach(es => errorDetails.put("ErrorSource", es))
+    statusCode.foreach(code => errorDetails.put("StatusCode", code.toString))
 
     val errorJson = mapper.writeValueAsString(errorDetails)