java.io.ObjectOutputStream writeUTF() on solaris throws UTFDataFormatException

On windows working
jdk1.4 b46

Test Program:
--------------------------------------------------------
 
import java.io.*;
 
  
public class WriteReadUTF {
      
    public static void main(String[] args) throws Exception {
   StringBuffer stringBuffer = new StringBuffer("a");
//generate a stringbuffer with 65535 length by appending to stringBuffer
for( int i = 0; i < 65534; i++) {
stringBuffer.append("a");
}

String string65535 = stringBuffer.toString();
//delete if file exists
       File f = new File("utfTestFile");
        if (f.exists()) {
           f.delete();
       }
       try {

FileOutputStream wstream = new FileOutputStream("utfTestFile");
FileInputStream rstream = new FileInputStream("utfTestFile");
ObjectOutputStream wfile = new ObjectOutputStream(wstream);
           wfile.writeUTF(string65535);////writing string of length 65535
           wfile.close();

ObjectInputStream rfile = new ObjectInputStream(rstream);

String rString65535 = rfile.readUTF();

if ( !(rString65535.equals(string65535))) {
throw new Exception("data1 not correctly read in WriteReadUTF()");
}

rfile.close();
System.out.println ("WriteReadUTF pass");

} catch (Exception e) {
   System.out.println ("Exception thrown in WriteReadUTF Failed " + e);
       e.printStackTrace();
       }
 
   }
}
   
 ---------------------------------result------------------------
javapro:/home/pande/merlin/bugs/io/WriteReadUTF 23 % java WriteReadUTF
Exception thrown in WriteReadUTF Failed java.io.UTFDataFormatException
java.io.UTFDataFormatException
        at java.io.ObjectOutputStream$BlockDataOutputStream.writeUTF(ObjectOutputStream.java:1827)
        at java.io.ObjectOutputStream$BlockDataOutputStream.writeUTF(ObjectOutputStream.java:1658)
        at java.io.ObjectOutputStream.writeUTF(ObjectOutputStream.java:787)
        at WriteReadUTF.main(WriteReadUTF.java:25)