Problems with running quote server from Java Tutorial

Hello
The problem is this: I try to run QuoteServer from java tutorial (Trail: Deployment
Lesson: Applets, A Simple Network Client Applet) and server compiles but when I try to run it following message shows up:
QuoteServer listening on port: 32769
Exception in thread "QuoteServer" java.lang.NullPointerException
at java.net.DatagramPacket.setData(DatagramPacket.java:244)
at java.net.DatagramPacket.<init>(DatagramPacket.java:62)
at java.net.DatagramPacket.<init>(DatagramPacket.java:78)
at QuoteServerThread.run(QuoteServerThread.java:38)
And then server stops. What's going on?.
Cheers

Line 38 of QuoteServer.java is: packet = new DatagramPacket(buf, 256);
And that's where the problem is because in line 31 is written byte[] buf = null;
And what I get when I run QuoteServer.java with gcj version of java (gives more clues) is:
java QuoteServer
QuoteServer listening on port: 32785
Exception in thread "QuoteServer" java.lang.NullPointerException: Null buffer
at java.net.DatagramPacket.setData(byte[], int, int) (/usr/lib/libgcj.so.6.0.0)
at java.net.DatagramPacket.DatagramPacket(byte[], int, int) (/usr/lib/libgcj.so.6.0.0)
at java.net.DatagramPacket.DatagramPacket(byte[], int) (/usr/lib/libgcj.so.6.0.0)
at QuoteServerThread.run() (Unknown Source)
at .GC_start_routine (/usr/lib/libgcj.so.6.0.0)
at .__clone (/lib/libc-2.3.5.so)
So the problem is with this null buffer. What enter in line 31 instead of null?.
What values can byte[] reach except null?. I tried to find byte[] in java API but there is only Byte variable. I get the same output with java 5.0 compiler (but less clues).
Message was edited by:
macmacmac

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#SERVER= rep10
As my forms is working well & but the report are not able to call.
Could you please let me know is there is any other mandatory setting required for the report 10g.
Regards,
Ashutosh

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