logging - Configuring Message Listener Container -


i have below configuration sets "messagereader" pojo class process incoming messages. working fine configured, since not have lot of experience spring integration, have basic questions on happening underneath , if can monitored.

  1. i not able find documentation on how underlying message listener container poll queue messages. missing something? if understand below configuration correctly, default use "defaultmessagelistenercontainer". see class extends abstractpollingmessagelistenerconainer. see receivetimeout, don't see specifying polling interval. there such setting? seems pretty instantaneous when test configured see below. our needs not aggresive; fine queue being polled every 30 seconds or so.
  2. is there way (perhaps log4j setting) can log when container wakes , looks messages on queue (even if none found)? our sustainment team wants able verify process "running" when no messages being sent. in other words, want way of troubleshooting if container may have become hung. tool of ruling out hung thread in case messages believed have been sent, not having seen them received.

i realize may have configure container instead of accepting defaults have below, i'm fine if can accomplish above things??

<int:channel id="inboundchannel" />  <jms:message-driven-channel-adapter    connection-factory="myconnectionfactory"    destination="queue" channel="inboundchannel" />  <int:service-activator input-channel="inboundchannel">   <bean class="com.myapp.messagereader" /> </int:service-activator>

the container message-driven - has thread (or threads) blocked in provider's client library waiting new message arrive - it's not polling queue, it's polling client. receive timeout (default 5 seconds) container can react stop() (otherwise thread blocked in client no way interrupt - depending on client's implementation).

if turn on trace debugging, you'll see activity - please remember not mean there round trip broker each time, it's asking client if new message has arrived broker.

when container creates consumer, broker knows , send messages directly - there's no polling of queue per se.


Comments

Post a Comment

Popular posts from this blog

html - How to style widget with post count different than without post count -

i have border below li elements in wordpress widget types appropriate. element inside set block gives them nice easy click full width. the problem, when choose option "show post count" when adding widget such categories or archives displays post count plain text after tag , because tag block pushes post number text line below. whether choose show post count or not show post count still gives exact same element identifyer example "widget_categories". how style post count not on next line still keep links non post count list items full width? here's example on sidebar www.bbmthemes.com/themes/modular/blog-standard/ in order solve problem need remove display:block; for ul.widgets ul a , add in it's place line-height: 33px; what going achieve have same visual effect. what going lose doing links going work on text , not on "box". the other way out of find post count coming , make changes this. example change text count i
Read more

How to remove text and logo OR add Overflow on Android ActionBar using AppCompat on API 8? -

have researched death , cannot find answer. i have actionbar using appcompat. supporting api v7 (api v8 do). actionbar works api v11. api < v11 has problem of removing icon (and feature) actionbar without supplying overflow. big picture have app logo, app title, , 3 icons squidging same actionbar on low end phone. trying make room! i happy 1 of 2 solutions. either: a method of getting overflow functionality can retrieved pull down. (preferred) method of removing icon , text actionbar below current xml api 11+: <resources> <!-- base application theme api 11+. theme replaces appbasetheme res/values/styles.xml on api 11+ devices. --> <style name="appbasetheme" parent="theme.appcompat.light.darkactionbar"> <item name="android:actionbarstyle">@style/liteactionbarstyle</item> <item name="actionbarstyle">@style/liteactionbarstyle</item> </st
Read more

javascript - storing input from prompt in array and displaying the array -

i want take the inputs user prompt, store input in array, , display it. want take 10 inputs user using for loop. have tried do-while shown below. var givennames = new array(); var pattern = /[\w\d]{1,}/ig; do{ var name = prompt("enter names. letters , digits accepted!\nentering empty field stops asking",""); if(name && name.match(pattern)){givennames.push(name);} } while(name != ""); function displaynames(){ if(givennames.length > 0){ document.getelementbyid("list").innerhtml = "<span style='color:navy;font- weight:bold;'>given names are:<\/span><br><br>" + givennames.join("<br><br>"); } else { document.getelementbyid("list").innerhtml = "<span style='color:navy;font-weight:bold;'>nothing has been given!<\/span>"; } } how replace for loop? var givennames = new array();
Read more