質問編集履歴
2
コードを修正
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File without changes
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body
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@@ -13,49 +13,32 @@
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import java.nio.file.Paths;
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import java.nio.file.Files;
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case class Data(a: String, b:
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case class Data(a: String, b: Int)
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-
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object Main {
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def
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def main(args: Array[String]): Unit = {
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val arr: Array[List[Data]] = Array[List[Data]](List(Data("a", 97)))
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val path = Paths.get("SerializeSample.bin")
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// serialize
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val oos = new ObjectOutputStream(Files.newOutputStream(
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val oos = new ObjectOutputStream(Files.newOutputStream(path))
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oos.writeObject(
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oos.writeObject(arr)
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oos.close()
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}
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}
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// deserialize
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def deserialize[A](): SerializeSample[A] = {
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val ois = new ObjectInputStream(Files.newInputStream(
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val ois = new ObjectInputStream(Files.newInputStream(path))
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val ret = ois.readObject().asInstanceOf[
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val ret = ois.readObject().asInstanceOf[Array[List[Data]]]
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ois.close()
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ret
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println(ret.mkString(" "))
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}
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}
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object Main {
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def main(args: Array[String]): Unit = {
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val d = Array(List(Data("a", "b", 1, 2, 3), Data("c", "d", 1, 2, 3)))
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val s = SerializeSample[Data](d)
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s.serialize
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SerializeSample.deserialize[Data]()
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}
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}
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```
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```
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sbt:sbt> run
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[info] Compiling 1 Scala source to /home/kkkk/mnt/tmp/serializetest/sbt/target/scala-2.12/classes ...
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[info] Done compiling.
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[info] Packaging /home/kkkk/mnt/tmp/serializetest/sbt/target/scala-2.12/sbt_2.12-0.1.0-SNAPSHOT.jar ...
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[info] Done packaging.
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[info] Running Main
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[error] (run-main-
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[error] (run-main-13) java.lang.ArrayStoreException: scala.collection.immutable.List$SerializationProxy
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[error] java.lang.ArrayStoreException: scala.collection.immutable.List$SerializationProxy
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[error] at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1975)
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[error] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1567)
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[error] at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2287)
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[error] at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2211)
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[error] at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2069)
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[error] at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1573)
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[error] at java.io.ObjectInputStream.readObject(ObjectInputStream.java:433)
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[error] at SerializeSample$.deserialize(Main.scala:17)
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[error] at Main$.main(Main.scala:
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[error] at Main$.main(Main.scala:17)
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[error] at Main.main(Main.scala)
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[error] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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[error] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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@@ -82,4 +65,5 @@
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[error] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
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[error] at java.lang.Thread.run(Thread.java:748)
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[error] (Compile / run) Nonzero exit code: 1
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[error] Total time: 0 s, completed 2018/02/04 15:59:19
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```
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1
OSを追記
title
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@@ -1,1 +1,1 @@
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1
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scalaの
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1
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scalaのデシリアライズでエラーになる
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body
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@@ -6,6 +6,7 @@
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scalaのバージョンは2.12.4、sbtのバージョンは1.1.0です。
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OSはCentOS7です。
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```scala
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import java.io.ObjectOutputStream;
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import java.io.ObjectInputStream;
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