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snmp4j FAQ


  • Why is SNMP4J free?
    Currently there is a lack of an affordable well object
    oriented designed SNMP implementation for Java. SNMP4J tries to fill this gap.
    It is free to get the best support and feedback from the Internet community. In
    addition it is a small compensation for the help we got from other open source
    projects.
    Nevertheless you are welcome to support the development of SNMP4J
    by purchasing commercial e-mail support.
     
  • Where can I find examples for SNMP4J API usage?
    Simple examples are provided by
    the JavaDoc of the SNMP class which can be viewed here.
    A (nearly) complete example for the SNMP4J API usage
    is the console tool. It can be found in the org.snmp4j.tools.console.SnmpRequest
    class.
     
  • Is SNMP4J thread-safe?
    Yes, SNMP4J is designed for multi-threaded
    environments. Nevertheless, objects put into a PDU must not be modified while
    the corresponding SNMP request is being processed.
     
  • Why do I get sometimes a time-out (response == null) on a request although I see log
    messages like “Received response that cannot be matched to any outstanding
    request...”?
    The response of the agent has been received after the
    request had been timed out. To solve this, increase the time-out value for the
    target.
     
  • Why am I always getting a time-out (response == null) when sending a request?
    Probably you have forgotten to call the listen() method of the
    TransportMapping (once) or the Snmp class before sending the
    request.
     
  • Can I use a single Snmp instance to request data from multiple SNMP agents at the same time?
    Yes, of course! You can either use asynchronous requests and
    collect their responses in a one or more callback listeners or you can use
    synchronous requests that are send from several threads concurrently.
  • Can SNMP4J be used with Java EE?
    Yes, the SNMP4JSettings class provides the
    option to replace the default thread and timer factories by custom ones that use
    Java EE resources instead of Java SE threads (timers).

posted on 2012-05-03 16:09 afunms 阅读(391) 评论(0)  编辑  收藏


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