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From "Reinhard Sandtner (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (JOHNZON-144) Using a @JohnzonConverter with Jsonb leads to an Exception
Date Mon, 06 Nov 2017 19:19:00 GMT

     [ https://issues.apache.org/jira/browse/JOHNZON-144?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reinhard Sandtner reassigned JOHNZON-144:
-----------------------------------------

    Assignee: Reinhard Sandtner

> Using a @JohnzonConverter with Jsonb leads to an Exception
> ----------------------------------------------------------
>
>                 Key: JOHNZON-144
>                 URL: https://issues.apache.org/jira/browse/JOHNZON-144
>             Project: Johnzon
>          Issue Type: Bug
>          Components: JSON-B
>    Affects Versions: 1.1.5
>            Reporter: Mark Struberg
>            Assignee: Reinhard Sandtner
>             Fix For: 1.1.5
>
>
> Converting a class which has a @JohnzonConverter annotation via Jsonb leads to a ClassCast
exception:
> {noformat}
> java.lang.ClassCastException: org.apache.johnzon.jsonb.JohnzonConverterInJsonbTest$TestInstantConverter
cannot be cast to org.apache.johnzon.mapper.ObjectConverter$Writer
> 	at org.apache.johnzon.jsonb.JsonbAccessMode$WriterConverters.<init>(JsonbAccessMode.java:773)
> 	at org.apache.johnzon.jsonb.JsonbAccessMode.findReaders(JsonbAccessMode.java:405)
> 	at org.apache.johnzon.mapper.Mappings.createClassMapping(Mappings.java:365)
> 	at org.apache.johnzon.mapper.Mappings.findOrCreateClassMapping(Mappings.java:338)
> 	at org.apache.johnzon.mapper.Mapper.isDeduplicateObjects(Mapper.java:138)
> 	at org.apache.johnzon.mapper.Mapper.writeObject(Mapper.java:132)
> 	at org.apache.johnzon.mapper.Mapper.writeObjectAsString(Mapper.java:193)
> 	at org.apache.johnzon.jsonb.JohnzonJsonb.toJson(JohnzonJsonb.java:216)
> 	at org.apache.johnzon.jsonb.JohnzonConverterInJsonbTest.testJohnzonConverter(JohnzonConverterInJsonbTest.java:43)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> 	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> 	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> 	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> 	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> 	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> 	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> 	at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> 	at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
> 	at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
> 	at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
> 	at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
> {noformat}
> In older Johnzon version the Converter simply got ignored. 
> We now try to pick up the Converter but seem to mess up this part due to our work on
JOHNZON-77.



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