val icebergVersion = "1.7.1"
val sparkVersion = "3.3.2"

lazy val icebergDependencies = Seq(
"org.apache.iceberg" %% "iceberg-spark-runtime-3.3" % icebergVersion,
"org.scala-lang.modules" % "scala-collection-compat_2.12" % "2.12.0",
"org.apache.iceberg" % "iceberg-aws-bundle" % icebergVersion,
"org.apache.iceberg" % "iceberg-hive-metastore" % icebergVersion
)
"org.apache.hive" % "hive-metastore" % "3.1.3" % Provided,
"org.apache.spark" %% "spark-hive" % sparkVersion % Provided,
("org.apache.hive" % "hive-exec" % "3.1.3").classifier("core") % Provided,
("org.apache.iceberg" % "iceberg-hive-metastore" % icebergVersion % IntegrationTest).classifier("tests")

var metastore: TestHiveMetastore = _
  var uris: String = _
  implicit var spark: SparkSession = _

  override def beforeAll(): Unit = {
    super.beforeAll()
    metastore = new TestHiveMetastore()
    metastore.start()
    uris = metastore.hiveConf().get("hive.metastore.uris")
    spark = SparkSession.builder
      .master("local[*]")
      .config("spark.hadoop.hive.metastore.uris", uris)
      .config("spark.sql.legacy.parquet.nanosAsLong", "false")
      .config("spark.sql.extensions", "org.apache.iceberg.spark.extensions.IcebergSparkSessionExtensions")
      .config(s"spark.sql.catalog.$icebergCatalog", "org.apache.iceberg.spark.SparkCatalog")
      .config(s"spark.sql.catalog.$icebergCatalog.type", "hive")
      .config("spark.hadoop.fs.s3a.endpoint", minioContainer.getHostAddress)
      .config("spark.hadoop.fs.s3a.access.key", minioContainer.getMinioAccessValue)
      .config("spark.hadoop.fs.s3a.secret.key", minioContainer.getMinioAccessValue)
      .config("spark.hadoop.fs.s3a.path.style.access", "true")
      .config("spark.hadoop.fs.s3a.impl", "org.apache.hadoop.fs.s3a.S3AFileSystem")
      .config("spark.sql.iceberg.check-ordering", "false")
      .config("write.metadata.delete-after-commit.enabled", "false")
      .config("spark.sql.iceberg.handle-timestamp-without-timezone", "true")
      .enableHiveSupport()
      .getOrCreate()
    s3.createBucket(bucket)
  }

Caused by: java.lang.NullPointerException
[error] at java.base/java.io.Reader.(Reader.java:167)
[error] at java.base/java.io.InputStreamReader.(InputStreamReader.java:72)
[error] at org.apache.iceberg.hive.TestHiveMetastore.setupMetastoreDB(TestHiveMetastore.java:281)
[error] at org.apache.iceberg.hive.TestHiveMetastore.(TestHiveMetastore.java:106)
[error] at ru.samokat.datalake.loader.BaseLoadSuite.beforeAll(BaseLoadSuite.scala:49)
[error] at ru.samokat.datalake.loader.BaseLoadSuite.beforeAll$(BaseLoadSuite.scala:46)

private static void setupMetastoreDB(String dbURL) throws SQLException, IOException {
    Connection connection = DriverManager.getConnection(dbURL);
    ScriptRunner scriptRunner = new ScriptRunner(connection, true, true);

    ClassLoader classLoader = ClassLoader.getSystemClassLoader();
    InputStream inputStream = classLoader.getResourceAsStream("hive-schema-3.1.0.derby.sql");
    try (Reader reader = new InputStreamReader(inputStream)) {
      scriptRunner.runScript(reader);
    }
  }