MultiThread « Thread « Spring Q&A





1. Is Spring.Threading.Helpers still supported?    stackoverflow.com

I am converting some old C# code, and it has a CountDownLatch using a package called Spring.Threading.Helpers. The odd thing is that I can't find this package on Google - ...

2. ThreadPooler in Spring 2.5.6    stackoverflow.com

My application uses Spring 2.5.6. I have a service that creates explicit threads for some specific task. Triggering of this service call happens through quartz time scheduler. Question : While executing ...

3. Threads with Spring, wait, notify?    stackoverflow.com

I haven't used any of Spring's threading support before. Does it support any high level concept of the Thread class's wait and notify?

4. looping over static Set- java    stackoverflow.com

I have in my code:

public static Set<Long> workItemsForTasks = new HashSet<Long>();
It's a web application, and during the code the users can add new items to the map - and I add ...

5. Spring, thread and warnings at app termination time    stackoverflow.com

I'm building a web app with j2ee, hibernate and Spring. At a certain point the app has to send a number of emails, so I thought of putting this task in ...

6. Multiple threads    forum.springsource.org

Multiple threads Hello. I already have a Java application and I'm planning to rewrite it from the scratch using Spring IoC and DI. Anyway, my biggest concern at this point is ...

7. Unexpected retries in multi-threaded step    forum.springsource.org

Unexpected retries in multi-threaded step Hi We have a batch with a multi-threaded step with a threadPool TaskExecutor. We're using Spring Batch 2.1.3. Skip-logic is not defined, we want to abort ...

8. Multiple Threads writing to same report file    forum.springsource.org

What exactly are you writing to the file? You can't really have multiple things having an open session to a file. You could a) Throw things at the end of the ...

9. Skipping is not working for multistep with multi threading    forum.springsource.org

Skipping is not working for multistep with multi threading Hi , How impliment skipping for multi threading





10. Validation Framework and Multithreading    forum.springsource.org

Validation Framework and Multithreading We've done a lot of the validation and it has been working great. Now, we need to do more multithreading. The ContextParams dictionary carries around some data ...

11. Middleware vs. multi-threaded approach    forum.springsource.org

Middleware vs. multi-threaded approach Hi, I am writing a one-shot migration tool to transfer critical data from a legacy system. The tool will be processing around 2 million files of around ...

12. JDBCMessageStore Can't handle multiple threads polling    forum.springsource.org

JDBCMessageStore Can't handle multiple threads polling I have a project that useed jms to keep messages between components. It worked well but I need to set up lots of queues and ...

13. Heavily multithreaded app    forum.springsource.org

Heavily multithreaded app Hi, I work on an project which consists of thick Swing clients remotely accessing a data server (probably an app server + SLSB + Spring/Hibernate) and a calculation ...

14. Multi Thread issue?    forum.springsource.org

Multi Thread issue? Hi, Appreciate if someone can help solve the following issue. Basically, the application reads a CSV file and passes a group of lines at a time downstream for ...

15. Multithreading and CursorItemReader    forum.springsource.org

Multithreading and CursorItemReader Hi all i need to use mthreadign wtih my batch as it runs too slow (~ least 50 mins).. reason of that is that it's selecting data from ...

16. Questing on creating multithreading appln.    forum.springsource.org

Questing on creating multithreading appln. Hello Everyone, I am working on a problem where I need to create mulitiple threads and do some database updates using a DAO class using Spring. ...





17. Simple concept question: intercept multi-thread method?    forum.springsource.org

Simple concept question: intercept multi-thread method? Can I intercept method under multi-thread computing? Example: I have an public method analyze(). It is OK to intercept this method and I see the ...

18. Multithreading, Multi core processors    forum.springsource.org

Multithreading, Multi core processors Hi, I could not find any information on this topic in the reference documentation. As multi-core processors are becoming usual even in a developer computer this topic ...

19. Multi-threaded component design question...    forum.springsource.org

Multi-threaded component design question... I need to design a service component that will be used in a high-volume processing application - i.e. MyService with a processEvent(Event, Action) method. The processEvent(Event, Action), ...

20. tgransaction manager with stand alone application using multi thread    forum.springsource.org

tgransaction manager with stand alone application using multi thread Hi, all. I want to make stand alone application invoking multi thread. And transaction manager control what happend in newly made thread. ...

21. CSV file process - multi-thread; which class to use?    forum.springsource.org

Here is what I need to do: - Receive file ( large CSV file ) - Import records using one TX but multiple threads ( split file? ) - The import ...

22. Is RmiServiceExporter multi threaded?    forum.springsource.org

Hi, Sorry if this is a FAQ but I can't find it. I want to use the RmiServiceExporterRmi class to rmi enable some services. Is the RmiserviceExporterRMi multi threaded out of ...

23. Multithreaded listener    forum.springsource.org

Multithreaded listener hi, I am using DefaultMessageListenerContainer for listening to incoming messages. All my transactions are very short. I am listening to one queue and expect large volumes. I would like ...

24. heavy multithreading    forum.springsource.org

Hi, I'm starting the analysis of a new project requirement which involves the execution of thousands of heavy-load algorithms' calculations. Obviously I need to make these bunch of CPU and memory ...

25. TransactionManagement in a multi threaded environment    forum.springsource.org

Hello, I have a DAO that calls another DAO. That DAO then starts a background thread. I've deduced from my own testing and from a couple of posts here that the ...

26. Running InputReader on multiple thread    forum.springsource.org

Running InputReader on multiple thread Hi I am new to Spring Batch and hance wanted some information. I wanted to know if it is possible to run the InputReader in multiple ...

27. Multithread getBean    forum.springsource.org

When i call the getBean method in my application in multithread environment, seems only one of the thread call invoke the getBean method at the same time, which will slow down ...

28. Multiple Thread Join Issue in Spring    forum.springsource.org

Requirement Invoke Multiple Thread in Spring Class and wait for then to finish before sending consolidated response to caller. I am looking for something like Callable, FutureTask in Java 5 or ...

29. Multi Threaded App Design - HELP!    forum.springsource.org

Multi Threaded App Design - HELP! Here is the scenario. I have a web app and when the user logs in I want to start two "threads" on the server. Thread ...

30. SpringBatch and Multithreading    forum.springsource.org

I am getting an exception after configured to run in a multithreaded enviorment. The exception is : Nov 7, 2008 2:58:19 PM org.springframework.batch.core.step.AbstractStep execute SEVERE: Encountered an error executing the step: ...

31. Getting errors in a heavily multithreaded application.    forum.springsource.org

Getting errors in a heavily multithreaded application. Hey Guys, I have this context, Code:

32. Multithreading while reading a flat file    forum.springsource.org

Hi, I am pretty new to spring batch. My batch application has to read from an enormous flat file, proccess the data and write it into various tables of the database. ...

33. ParallelJob/Multithreading - Sample - Clarification    forum.springsource.org

ParallelJob/Multithreading - Sample - Clarification Hi, I went through the paralleljob sample and following is my understanding. 1. The "loading" step is multithreaded using "taskExecutor". 2. The "stagingReader", "stagingProcessor" & "tradeWriter" ...

34. MultiThreading within Reader!!!    forum.springsource.org

MultiThreading within Reader!!! I am building an Spring Batch application (v2.0.0) to process multiple files(i.e.task) parallely. Each file may have hundreds of lines of records that need to be processed individually. ...

35. when multithreaded step and commitinterval > 1, the skiplimit dont work    forum.springsource.org

I'm not sure I understand. Note that skip limit is advisory - in a multithreaded step there is no way to prevent the skip limit from being occasionally breached globally, if ...

36. Turning off multiple threads?    forum.springsource.org

Turning off multiple threads? I'm using Quartz to schedule running two different jobs. (CronTriggerBean to MethodInvokingJobDetailFactoryBean to bean containing my class). The first job runs fine on its own but when ...

37. ReaderNotOpenException in multithreaded process    forum.springsource.org

ReaderNotOpenException in multithreaded process Hello everyone, I tried to use Multithreaded for my step like below, but got an exception below: My step: Code:

38. Making multithreaded flow single-threaded by using thread handover    forum.springsource.org

Making multithreaded flow single-threaded by using thread handover Hi guys, If my original event listener/handler is multithreaded - let's say a multithreaded consumer to a tcp broker of some sort - ...

39. ChunkMonitor in MultiThreaded Steps    forum.springsource.org

Hello, You indicate that the org.springframework.batch.core.step.item.ChunkMoni tor is to be used only with single threaded steps. I have steps that I intend to run in parallel, and the FaultTolerantStepFactoryBean uses the ...

40. multi threaded client server    forum.springsource.org

multi threaded client server hi, I have a server code who handles a few clients (thread for each client, there is a key for each client). For each client i have ...

41. design suggestions single thread reader, multi thread process and writer    forum.springsource.org

Hi, I am totally new to Spring Batch. In the scenario where I want to try it for the first time, I would like to read in a single thread but ...

42. Multi-threaded partition + item stream reader + parent step    forum.springsource.org

Feb 16th, 2010, 04:16 AM #1 sebge2 View Profile View Forum Posts Private Message Member Join Date Jan 2010 Posts 33 Multi-threaded partition + item stream reader + parent step Hello, ...

43. step with single reader, multithreaded writer    forum.springsource.org

step with single reader, multithreaded writer I have the following tipical batch scenario: reading from a large (>1M items) flat file, writing each item to DB. Performance results from the standard ...

44. Multi-threaded Step and use of threads    forum.springsource.org

I try to use Multi-threaded Steps with a taskExecutor but after a few minutes spring batch uses only one thread insted of the full pool (See Attached image). spring xml (spring ...

45. Problem with multiple threads    forum.springsource.org

May 19th, 2010, 09:54 AM #1 janapati.siva View Profile View Forum Posts Private Message Junior Member Join Date Apr 2010 Posts 14 Problem with multiple threads Hi, When I am launching ...

46. Restarting Multi-Threaded Application    forum.springsource.org

Restarting Multi-Threaded Application Environment: Spring 2.5.5, Eclipselink 1.0.1, Tomcat 5.5.26 Application: I have an application that I schedule to run everyday and its purpose is to map 20-30K XML nodes to ...

47. Multithreading and throttle parameter usage    forum.springsource.org

Multithreading and throttle parameter usage Hi, I would like to know and understand how reader and writer work. I use the following configuration: ...

48. Capturing SLAs in multithreaded channel env    forum.springsource.org

Capturing SLAs in multithreaded channel env In my application, there are lots of requests coming in every min. The message coming in every request is splitted using a splitter, and that ...

49. Multithreaded messagehandling    forum.springsource.org

Multithreaded messagehandling Hi, Since new to this forum please feel free to correct any mistakes I made or ask if my question is not clear enough. We are impressed with this ...