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  1. JBoss Marshalling
  2. JBMAR-233

Cannot cast java.util.TreeMap to java.util.Date , if Date field name sorts after Map

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      java -cp $JBOSS_HOME/bin/client/jboss-client.jar:JBMAR-233.jar WriteReadExample

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      java -cp $JBOSS_HOME/bin/client/jboss-client.jar: JBMAR-233 .jar WriteReadExample
    • Workaround Exists
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      Change Collections.emptySortedMap() to new TreeMap<String,String>();

      Change from :

  private SortedMap<String, String> map = Collections.emptySortedMap();
  private Date mop; 

to:

  private SortedMap<String, String> map = new TreeMap<String,String>();
  private Date mop;

       

      Or use MarshallingConfiguration version 3

            final MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory("river");
 
        // Create a configuration
        final MarshallingConfiguration configuration = new MarshallingConfiguration();
        // Use version 3
        configuration.setVersion(3);
      Show
      Change Collections.emptySortedMap() to new TreeMap<String,String>(); Change from :   private SortedMap< String , String > map = Collections.emptySortedMap();   private Date mop; to:   private SortedMap< String , String > map = new TreeMap< String , String >();   private Date mop;   Or use MarshallingConfiguration version 3     final MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory( "river" );           // Create a configuration         final MarshallingConfiguration configuration = new MarshallingConfiguration();         // Use version 3         configuration.setVersion(3);
    • Undefined

       

       

           [java] Exception in thread "main" java.lang.ClassCastException: Cannot cast java.util.TreeMap to java.util.Date
     [java] 	at java.lang.Class.cast(Class.java:3369)
     [java] 	at org.jboss.marshalling.reflect.SerializableField.setObject(SerializableField.java:342)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1864)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1778)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1406)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:283)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:231)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1864)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1778)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1406)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:283)
     [java] 	at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:216)
     [java] 	at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41)
     [java] 	at WriteReadExample.read(WriteReadExample.java:90)
     [java] 	at WriteReadExample.main(WriteReadExample.java:27)
     [java] Caused by: an exception which occurred:
     [java] 	in field Wrapper.mop
     [java] 	in object Wrapper@5faeada1
     [java] 	in object of type Wrapper
     [java] 	in field SortedMapIn.to
     [java] 	in object SortedMapIn@528931cf
     [java] 	in object of type SortedMapIn

        1. JBMAR-233.jar
          4 kB
        2. JBMAR-233.jar
          5 kB

              dlloyd@redhat.com David Lloyd
              rhn-support-bmaxwell Brad Maxwell
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                Created:
                Updated:
                Resolved: