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https://issues.apache.org/jira/browse/JOHNZON-35?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hendrik Saly resolved JOHNZON-35.
---------------------------------
    Resolution: Fixed

fixed by https://github.com/apache/incubator-johnzon/pull/1

> Mapper fails on short and byte array
> ------------------------------------
>
>                 Key: JOHNZON-35
>                 URL: https://issues.apache.org/jira/browse/JOHNZON-35
>             Project: Johnzon
>          Issue Type: Bug
>          Components: Mapper
>    Affects Versions: 0.1-incubating, 0.2-incubating, 0.5-incubating
>            Reporter: Hendrik Saly
>             Fix For: 0.6-incubating
>
>
> short[] numShortA = new 
> short[]{(short)1,(short)2,(short)3,(short)4,(short)5,(short)-7,(short)-8};
> (same for byte[])
> fails with a 
> Exception in thread "main" java.lang.ClassCastException: Cannot cast 
> java.lang.Short to java.lang.Integer
>       at java.lang.Class.cast(Class.java:3176)
>       at org.apache.johnzon.mapper.Mapper.writePrimitives(Mapper.java:110)
>       at org.apache.johnzon.mapper.Mapper.writeItem(Mapper.java:421)
>       at org.apache.johnzon.mapper.Mapper.writeValue(Mapper.java:395)
>       at org.apache.johnzon.mapper.Mapper.doWriteObjectBody(Mapper.java:346)
>       at org.apache.johnzon.mapper.Mapper.doWriteObject(Mapper.java:313)
>       at org.apache.johnzon.mapper.Mapper.writeItem(Mapper.java:423)
>       at org.apache.johnzon.mapper.Mapper.writeValue(Mapper.java:395)
>       at org.apache.johnzon.mapper.Mapper.doWriteObjectBody(Mapper.java:346)
>       at org.apache.johnzon.mapper.Mapper.doWriteObject(Mapper.java:313)
>       at 
> org.apache.johnzon.mapper.Mapper.doWriteHandlingNullObject(Mapper.java:292)
>       at org.apache.johnzon.mapper.Mapper.writeObject(Mapper.java:269)



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