Mark Struberg created JOHNZON-144:
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Summary: 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
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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