Field key object may not be null ERROR

Hello

I got the error message "object of key field cannot be null" with the following trace stack:

java.lang.IllegalArgumentException: object key field is perhaps not null
at com.sleepycat.persist.impl.RecordOutput.writeKeyObject(RecordOutput.java:129)
to com.sleepycat.persist.impl.ReflectionAccessor$ KeyObjectAccess.write (ReflectionAccessor.java:397)
at com.sleepycat.persist.impl.ReflectionAccessor.writePriKeyField(ReflectionAccessor.java:172)
at com.sleepycat.persist.impl.ComplexFormat.writePriKey(ComplexFormat.java:663)
at com.sleepycat.persist.impl.PersistEntityBinding.objectToKey(PersistEntityBinding.java:118)
at com.sleepycat.persist.PrimaryIndex.assignKey(PrimaryIndex.java:493)
at com.sleepycat.persist.PrimaryIndex.put(PrimaryIndex.java:339)
at com.sleepycat.persist.PrimaryIndex.put(PrimaryIndex.java:315)
at PutDataa.loadValueoDb (PutDataa.java:98)
at PutDataa.run (PutDataa.java:59)
at PutDataa.main (PutDataa.java:31)

I defined the index primary and class of the bottom line 3 as shown below:

public class {value}

@PrimaryKey
public of Classification classification;

public int LEVEL;
public int PERLEVEL;
private int SERNO.
...

@Persistent
public class {Classification
@KeyField (1) int LEVEL;
@KeyField (2) int PERLEVEL;
}

public class DataAccessorr {}
PrimaryIndex < Classification, value > valueByLevel2;
public DataAccessorr (EntityStore store)
Bird {DatabaseException
valueByLevel2 = store.getPrimaryIndex (Classification.class, Value.class);
}
}

public class PutDataa {}
private DataAccessorr karolane; method
...
Public Shared Sub main (String [] args) {}
PutDataa edp = new PutDataa();
try {}
EDP. Run (args);
....
private void run (String [] args)
Bird {DatabaseException
myDbEnv.setup (myEnvirPath, false);
myDA = new DataAccessorr (myDbEnv.getEntityStore ());
System.out.println ("loading suppliers db...");
loadValueoDb();
}
Private Sub loadValueoDb()
Bird {DatabaseException
Valueos list = loadFile (myValueFile, 10);
for (int i = 0; i < valueos.size (); i ++) {}
String [] sArray = (String []) valueos.get (i);
Value theValueo = new Value();
theValueo.setLEVEL (Integer.parseInt(sArray[0]));
theValueo.setPERLEVEL (Integer.parseInt(sArray[1]));
theValueo.setSERNO (Integer.parseInt(sArray[2]));
...
myDA.valueByLevel2.put (theValueo);
}
}

How can I get the code works well? Could someone help pls!
Thank you.

Samir

Create a new instance of Classification. Fill in the fields. Set the Value.classification field (via a Set Value accessor method if you like) before you call PrimaryIndex.put.

What did you ask?

-mark

Tags: Database

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