[SNMP4J] Getting IllegalBlockingModeException when receivingtrap via TCP

[Fedja Jeleskovic]

Hi Frank,

Is the sending traps over TCP available for the SNMP4J if not for the 
Agent++?

Thanks

Fedja

----- Original Message ----- 
From: "Frank Fock" <fock at agentpp.com>
To: "Mccarty, William (Bill)" <mccarty at avaya.com>
Cc: <snmp4j at agentpp.org>
Sent: Thursday, October 13, 2005 2:50 AM
Subject: Re: [SNMP4J] Getting IllegalBlockingModeException when 
receivingtrap via TCP


> Bill,
>
> Yes, of course. SNMP4J 1.6 RC1 will be released within the next 48 hours.
> I will also try to provide this fix for v1.5.
>
> Best regards,
> Frank
>
> Mccarty, William (Bill) wrote:
>
>>Frank,
>>
>>I tried this patch out and it appears to work.
>>
>>Will this be added into future releases of your package?
>>Thanks again.
>>Bill
>>-----Original Message-----
>>From: Frank Fock [mailto:fock at agentpp.com] Sent: Wednesday, October 12, 
>>2005 2:49 PM
>>To: Mccarty, William (Bill)
>>Cc: snmp4j at agentpp.org
>>Subject: Re: [SNMP4J] Getting IllegalBlockingModeException when
>>receiving trap via TCP
>>
>>Bill,
>>
>>the following patch should fix the problem:
>>
>>--- src/org/snmp4j/transport/DefaultTcpTransportMapping.java    19 Aug 
>>2005 22:13:17 -0000    1.25
>>+++ src/org/snmp4j/transport/DefaultTcpTransportMapping.java    12 Oct 
>>2005 17:51:00 -0000
>>@@ -547,6 +547,7 @@
>>                 // Accept the date request and send back the date
>>string
>>                 Socket s = nextReady.accept().socket();
>>                 readChannel = s.getChannel();
>>+                readChannel.configureBlocking(false);
>>                 readChannel.register(selector, SelectionKey.OP_READ);
>>
>>                 incomingAddress = new TcpAddress(s.getInetAddress(),
>>s.getPort()); @@ -565,6 +566,7 @@
>>                   SocketEntry entry = (SocketEntry) sk.attachment();
>>                   SocketChannel sc = (SocketChannel) sk.channel();
>>                   if (sc.finishConnect()) {
>>+                    sc.configureBlocking(false);
>>                     logger.debug("Connected to " +
>>entry.getPeerAddress());
>>                     // make sure conncetion is closed if not used for
>>timeout
>>                     // micro seconds
>>
>>Best regards,
>>Frank
>>
>>Mccarty, William (Bill) wrote:
>>
>>
>>>Frank,
>>>
>>>Thanks for your quick reply.
>>>This is running on Windows XP Professional, with SP1.
>>>The Java is Java(TM) 2 Runtime Environment, Standard Edition (build 
>>>1.4.2_05-b04).
>>>
>>>Bill
>>>
>>>-----Original Message-----
>>>From: Frank Fock [mailto:fock at agentpp.com]
>>>Sent: Wednesday, October 12, 2005 9:26 AM
>>>To: Mccarty, William (Bill)
>>>Cc: snmp4j at agentpp.org
>>>Subject: Re: [SNMP4J] Getting IllegalBlockingModeException when receiving 
>>>trap via TCP
>>>
>>>Hi Bill,
>>>
>>>Could you please tell us which operating system and Java runtime version 
>>>you are using? It seems that this error is platform specific.
>>>
>>>Thanks,
>>>Frank
>>>
>>>Mccarty, William (Bill) wrote:
>>>
>>>
>>>
>>>>I am using snmp4j-1.5.1 and when I attempt to receive a trap with the 
>>>>API configured for TCP an IllegalBlockingModeException occurs. Below is
>>>>
>>>>
>>>
>>>
>>>>the stack trace that is displayed.
>>>>
>>>>Listening on 0.0.0.0/1024
>>>>java.nio.channels.IllegalBlockingModeException
>>>>at java.nio.channels.spi.AbstractSelectableChannel.register(Unknown
>>>>Source)
>>>>at java.nio.channels.SelectableChannel.register(Unknown Source)  at 
>>>>org.snmp4j.transport.DefaultTcpTransportMapping$ServerThread.run(Defau
>>>>l
>>>>t
>>>>TcpTransportMapping.java:475)
>>>>
>>>>I first saw this exception in my application. So I tried running the 
>>>>console application included in the SNMP4J package and saw the same 
>>>>exception.
>>>>Am I missing something? Or is this a bug in the API?
>>>>
>>>>Bill
>>>>_______________________________________________
>>>>SNMP4J mailing list
>>>>SNMP4J at agentpp.org
>>>>http://lists.agentpp.org/mailman/listinfo/snmp4j
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
>>
>
>
> -- 
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