objectbox / objectbox/objectbox-java

Crash on loading serialized object from intent in To-Many case

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bug
Langage dominant
Java
Étoiles
4.6k
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Aucune PR mergée en 30 j

Description

hi, the issue is, I have a Receipt class with an arraylist of items. so I used ToMany relation and changed arraylist to To-Many and in ReceiptItem class created a new field with To-One relationship. Its working fine and saving in 2 tables properly.

@Entity
public class Receipt implements Serializable {
    public ToMany<ReceiptItem> receipt_items;
   .... 
}
@Entity
public class ReceiptItem implements Serializable {
    public ToOne<Receipt> receiptToOne;
}

I am sending my receipt object from one activity to another activity by serialization and getting in another activity.
receipt = (Receipt) (intent.getSerializableExtra("key_receiptobject"));

No issues and this is working fine.

Now for proper One-To-Many relationship I added, @Backlink annotation.

@Entity
public class Receipt implements Serializable {
    @Backlink
    public ToMany<ReceiptItem> receipt_items;
   .... 
}

and my app crashes on this line,
receipt = (Receipt) (intent.getSerializableExtra("key_receiptobject"));

Can you please help me to resolve this.

Issue Basics

  • ObjectBox version : 1.4.0
  • Reproducibility: always
Logs & stackstraces

E/UncaughtException: java.lang.RuntimeException: Unable to start activity ComponentInfo{}: java.lang.RuntimeException: Parcelable encountered ClassNotFoundException reading a Serializable object (name = abc.sales.entity.Receipt)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2429)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1357)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5459)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
Caused by: java.lang.RuntimeException: Parcelable encountered ClassNotFoundException reading a Serializable object (name = abc.sales.entity.Receipt)
at android.os.Parcel.readSerializable(Parcel.java:2512)
at android.os.Parcel.readValue(Parcel.java:2315)
at android.os.Parcel.readArrayMapInternal(Parcel.java:2614)
at android.os.BaseBundle.unparcel(BaseBundle.java:221)
at android.os.BaseBundle.getSerializable(BaseBundle.java:992)
at android.os.Bundle.getSerializable(Bundle.java:880)
at android.content.Intent.getSerializableExtra(Intent.java:5468)
at abc.sales.Activities.sale.ITPrintReceiptActivity.onCreate(ITPrintReceiptActivity.java:129)
at android.app.Activity.performCreate(Activity.java:6259)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1130)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2382)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1357) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5459) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
Caused by: java.lang.ClassNotFoundException: long
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:324)
at android.os.Parcel$2.resolveClass(Parcel.java:2498)
at java.io.ObjectInputStream.readNewClassDesc(ObjectInputStream.java:1641)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:657)
at java.io.ObjectInputStream.readNewClass(ObjectInputStream.java:1512)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:755)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1835)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:761)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1835)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:761)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1835)
at java.io.Obje
01-19 22:58:22.752 7470-7488/abc.sales D/FA: Logging event (FE): _ae, Bundle[{_o=crash, timestamp=1516382902748, fatal=1}]
01-19 22:58:23.008 7470-7470/abc.sales E/AndroidRuntime: FATAL EXCEPTION: main
Process: abc.sales, PID: 7470
java.lang.RuntimeException: Unable to start activity ComponentInfo{abc.sales/abc.sales.Activities.sale.ITPrintReceiptActivity}: java.lang.RuntimeException: Parcelable encountered ClassNotFoundException reading a Serializable object (name = abc.sales.entity.Receipt)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2429)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493)
at android.app.ActivityThread.-wrap11(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1357)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5459)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
Caused by: java.lang.RuntimeException: Parcelable encountered ClassNotFoundException reading a Serializable object (name = abc.sales.entity.Receipt)
at android.os.Parcel.readSerializable(Parcel.java:2512)
at android.os.Parcel.readValue(Parcel.java:2315)
at android.os.Parcel.readArrayMapInternal(Parcel.java:2614)
at android.os.BaseBundle.unparcel(BaseBundle.java:221)
at android.os.BaseBundle.getSerializable(BaseBundle.java:992)
at android.os.Bundle.getSerializable(Bundle.java:880)
at android.content.Intent.getSerializableExtra(Intent.java:5468)
at abc.sales.Activities.sale.ITPrintReceiptActivity.onCreate(ITPrintReceiptActivity.java:129)
at android.app.Activity.performCreate(Activity.java:6259)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1130)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2382)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493) 
at android.app.ActivityThread.-wrap11(ActivityThread.java) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1357) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:148) 
at android.app.ActivityThread.main(ActivityThread.java:5459) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 
Caused by: java.lang.ClassNotFoundException: long
at java.lang.Class.classForName(Native Method)
at java.lang.Class.forName(Class.java:324)
at android.os.Parcel$2.resolveClass(Parcel.java:2498)
at java.io.ObjectInputStream.readNewClassDesc(ObjectInputStream.java:1641)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:657)
at java.io.ObjectInputStream.readNewClass(ObjectInputStream.java:1512)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:755)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1835)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:761)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readNewObject(ObjectInputStream.java:1835)
at java.io.ObjectInputStream.readNonPrimitiveContent(ObjectInputStream.java:761)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1983)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:1940)
at java.io.ObjectInputStream.readFieldValues(ObjectInputStream.java:1113)
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:454)
at java.io.ObjectInputStream.readObjectForClass(ObjectInputStream.java:1345)
at java.io.ObjectInputStream.readHierarchy(ObjectInputStream.java:1242)
at java.io.ObjectInputStream.readN

Guide de contribution

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Par où commencer

  1. Lisez l'issue en entier, puis le guide de contribution du projet.
  2. Signalez en commentaire que vous la prenez — cela évite que deux personnes fassent le même travail.
  3. Forkez le dépôt et travaillez sur une branche.
  4. Ouvrez une pull request qui référence le numéro de l'issue.

Piste de recherche

Commencez par ITPrintReceiptActivity.java:129 et examinez les déclarations de Receipt et ReceiptItem présentées dans l’issue, en comparant la sérialisation avant et après l’ajout de @Backlink. Reproduisez l’échec de désérialisation de l’Intent avec ObjectBox 1.4.0 et la stack trace fournie. C’est terminé lorsque l’activity peut charger le Receipt sérialisé avec la relation présente sans ClassNotFoundException.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Évaluation

Stack technique
android, java
Domaine
database, mobile
Type d'issue
Bug
Difficulté
4/5
Temps estimé
3-5 jours
Activité
À l'abandon
Clarté
Plutôt claire
Accessibilité débutants
30/100

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