users@grizzly.java.net

Re: Problem with SSL

From: quende <skrinnikov_at_gmail.com>
Date: Mon, 29 Sep 2008 13:27:23 -0700 (PDT)

I've just checked that test unit running on Linux Mint 5 with the same build
of JDK, and it works like a charm. No problems there.

Anyway, it's the first time I use SSL, and there is something disappointing
me. I have a Callable class on the server-side, that has a stack of messages
it should send to client, specified by clientSelectionKey. If I write
something like

@Override
    public Object call()
    {
        try
        {
            for(Message message : _messages)
            {
                if (clientSelectionKey.isValid())
                {
                   
SSLOutputWriter.flushChannel(clientSelectionKey.channel(),
message.getByteBuffer());
                }
             ...

I get

Sep 30, 2008 12:10:10 AM com.sun.grizzly.Controller returnContext
FINE: returnContext() Context : com.sun.grizzly.Context_at_b82368

java.lang.NullPointerException
        at com.sun.grizzly.util.SSLUtils.wrap(SSLUtils.java:290)
        at
com.sun.grizzly.util.SSLOutputWriter.flushChannel(SSLOutputWriter.java:87)
        at
com.sun.grizzly.util.SSLOutputWriter.flushChannel(SSLOutputWriter.java:69)
        at TestSSLPrj.Client.call(Client.java:137)
        at
com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:309)
        at
com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:168)

The ByteBuffer of "message" is not null, the SelectionKey is valid, so I
wonder, why I can't send data to client. Have I missed something, or is
there a better practice to send data from server to client with SSL?
Thanks in advance,
-- Quende
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