public static ReplyProcessor21 getProcessor(int processorId) {
    return (ReplyProcessor21) keeper.retrieve(processorId);
  }
Returns the <code>ReplyProcessor</code> with the given id, or <code>null</code> if it no longer
exists.

@param processorId The id of the processor to get

@see #getProcessorId
geode-core/src/main/java/org/apache/geode/distributed/internal/ReplyProcessor21.java