modify EiEventService

[kinichiro]

1. setting request in VenTransactionLog
   in function handleOadrRequest(OadrRequestEvent oadrRequestEvent),
   venLog.request should be set
   because constraints of VenTransactionLog.groovy does not permit request nullable.
   This fix Exception No such property: UID #21 .

2. check 'errors' contains what kind of object
   in function processEventResponses( OadrCreatedEvent oadrCreatedEvent ),
   I got groovy.lang.MissingMethodException when I sent Created event.
   Object kind in variable 'errors' should be checked.

[kinichiro]

Here is a full stack trace for fix 2).

2013-07-19 10:43:04,065 DEBUG vtn.EiEventService Event response 200 from VEN: test-customer-one, eventID: test-event-one/0, opt: optIn
2013-07-19 10:59:13,164 ERROR vtn.EiEventController Unexpected exception in EiEventController
groovy.lang.MissingMethodException: No signature of method: com.enernoc.open.oadr2.vtn.VenStatus.getAt() is applicable for argument types: (java.lang.Integer) values: [0]
Possible solutions: getAt(java.lang.String), getAll(), getId(), getAll(java.util.List), getAll([Ljava.lang.Long;), get(java.io.Serializable)
at com.enernoc.open.oadr2.vtn.EiEventService.processEventResponses(EiEventService.groovy:182)
at com.enernoc.open.oadr2.vtn.EiEventService.handleOadrCreated(EiEventService.groovy:92)
at com.enernoc.open.oadr2.vtn.EiEventService.handleOadrPayload(EiEventService.groovy:75)
at com.enernoc.open.oadr2.vtn.EiEventController.post(EiEventController.groovy:61)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:565)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1360)
at grails.plugin.cache.web.filter.PageFragmentCachingFilter.doFilter(PageFragmentCachingFilter.java:195)
at grails.plugin.cache.web.filter.AbstractFilter.doFilter(AbstractFilter.java:63)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:477)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:539)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:288)
at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:115)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1331)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:477)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:119)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:521)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:406)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:186)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:965)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
at org.eclipse.jetty.server.Server.handle(Server.java:349)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:449)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:925)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:857)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:76)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:609)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:45)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)