FlatFileItemWriter « Batch « Spring Q&A





1. Spring Batch: java.io.IOException: Stream closed exception when combining MultiResourceItemWriter and FlatFileItemWriter    stackoverflow.com

I have a Spring Batch process which takes a set of rows in the database and creates a number of flat files from those rows, 10 rows per file. To do ...

2. Spring Batch FlatFileItemWriter leaves empty file    stackoverflow.com

HI I have the following code:

File overitimeFile = new File(filePath+overtimeFileName);
FlatFileItemWriter<OvertimeSAPExport> overtimeItemWriter = 
                  ...

3. FlatFileItemWriter to append when writing    stackoverflow.com

how could I make an itemWriter to instead of empting the file then write in it, to simply append what the write has to write. I'm using a FlatFileItemWriter.

4. How can I write to stdout using FlatFileItemWriter in spring batch?    stackoverflow.com

I have the following writer configured in my beans definition file of a spring batch project :

<bean id="writer" class="org.springframework.batch.item.file.FlatFileItemWriter">
    <property name="resource" value="file:/path/to/somefile"/>
    <property name="lineAggregator">
  ...

5. setTransactional method and FlatFileItemWriter    forum.springsource.org

Hi, I would like to know the use/concept of setTransactional method in terms of FlatFileItemWriter. If someone can explain or provide/direct me towards a bit detail documentation then it would be ...

6. Restarting in FlatFileItemWriter and LineCount    forum.springsource.org

Restarting in FlatFileItemWriter and LineCount Hi, I am trying to implement restart during writing of a FlatFileItemWriter and using the ItemStream to do that. In my update method I save the ...

7. Dynamically build FlatFileItemWriter file name at runtime    forum.springsource.org

Dynamically build FlatFileItemWriter file name at runtime I'm not sure if this is possible in SpringBatch, but I've been scanning the forum for quite awhile and haven't yet found the solution. ...

8. HeaderCallback even when you are appending to a file using FlatFileItemWriter    forum.springsource.org

HeaderCallback even when you are appending to a file using FlatFileItemWriter I am trying to generate multiple reports within the same file. Each report has its own header and footer, since ...

9. Use FlatFileItemWriter as delegate    forum.springsource.org

Use FlatFileItemWriter as delegate As I can't use the headerCallback to write more than one header in the same file, I have tried to implement a ItemWriter that in the write ...





10. FlatFileItemWriter does not guarantee data is physically written to disk    forum.springsource.org

From what I can see FlatFileItemWriter does not guarantee that data is physically written to disk. The FlatFileItemWriter calls flush() and the javadoc states the following: Flushes this output stream and ...

11. Why is the FlatFileItemWriter.OutputState is a inner class    forum.springsource.org

I think we'll more likely remove it from the class completely. It's a long story as to why it's there, but it doesn't really serve the purpose it was originally designed ...

12. FlatFileItemWriter.open on restart- expected behaviour?    forum.springsource.org

FlatFileItemWriter.open on restart- expected behaviour? Is this expected behaviour: We have a simple 1 Step Job reading a FlatFile and transforming and outputting to another FlatFile. In case of failure we ...

13. Restart with several FlatFileItemWriter    forum.springsource.org

Restart with several FlatFileItemWriter Hi, I have a job that writes 3 FlatFileItemWriter. When the job failed, only one lastMarkedByteOffsetPosition seems to be stored in DB with the key name = ...

14. Writing single line file using FlatFileItemWriter    forum.springsource.org

Writing single line file using FlatFileItemWriter Hello there, How can I produce a single line file using spring batch. requirement: I have 10 domain objects(UserData for instance) that have to be ...

15. restart.count is always 0 in FlatFileItemWriter    forum.springsource.org

Hi, I noticed that restart.count is always 0 in FlatFileItemWriter, in the source code it's never actually updated. written seems to hold the # of lines written since last restart, so ...

16. How to prevent a file being written by the FlatFileItemWriter    forum.springsource.org

How to prevent a file being written by the FlatFileItemWriter I have problem with a job using a JdbcCursorItemReader and a FlatFileItemWriter. The file is written even though there are no ...





17. How to use FlatFileItemWriter?    forum.springsource.org

How to use FlatFileItemWriter? I am trying to read from database and write to a file. Here is the config i took from one of the samples: Code: ...

18. FlatFileItemWriter.clear does not reset OutputState    forum.springsource.org

FlatFileItemWriter.clear does not reset OutputState Hello ! Looking through FlatFileItemWriter (FFIW) code, I found out that the clear() method does not invoke reset() on OutputState, and I'm wondering if this is ...

19. Runtime File name for the FlatfileItemwriter using Late binding not working    forum.springsource.org

Runtime File name for the FlatfileItemwriter using Late binding not working I'm using the 2.0.0.M4 release. I've a requirement to create the files appending the date of the execution. My spring ...

20. Overwritten latest chunk in FlatFileItemWriter after restart.    forum.springsource.org

Overwritten latest chunk in FlatFileItemWriter after restart. Hi, I'm facing an issue where my latest chunk is overwritten in the outputfile after a restart of the job. I'm writing to an ...

21. FlatFileItemWriter more than one lineAggregators    forum.springsource.org

Hi I have some question about Spring Batch 2.0 in FlatFileItemWriter can I have more than one lineAggregators? coz in my case is : if found items = header then use ...

22. FlatFileItemWriter: Underlying CharsetEncoder not configurable    forum.springsource.org

FlatFileItemWriter: Underlying CharsetEncoder not configurable Hello, While trying to write unsupported characters to a file (using the FlatFileItemWriter "encoding" property), I'm getting an UnmappableCharacterException: Code: ERROR [main] org.springframework.transaction.support.TransactionSynchronizationUtils | TransactionSynchronization.afterCompletion threw ...

23. custom tasklet and flatfileItemWriter close error    forum.springsource.org

custom tasklet and flatfileItemWriter close error I have a requirement to do the following: 1) Read flat files 2) Validate and transform data 3) Pass valid data to a component for ...

24. Newbie :- flatfileitemWriter question    forum.springsource.org

Newbie :- flatfileitemWriter question All, I am working on a project which uses Spring Batch. The project reads a fixed length file which contains a header, footer and a number of ...

25. FlatFileItemWriter    forum.springsource.org

Hi, I am a newbie to Spring Batch project and wanted to include the jar into my Maven pom.xml file as I want to use the org.springframework.batch.item.file.FlatFileItemWr iter class. Any feedback ...

26. FlatFileItemWriter - creates empty line in the end    forum.springsource.org

Do we have a setting to remove these empty / extra lines before creating the file? we are using the configuration something like this And FileWriter ...

27. Issue with FlatFileItemWriter encoding character set    forum.springsource.org

Issue with FlatFileItemWriter encoding character set Hi, I have an issue with FlatFileItemWriter encoding. In application I am reading data from database and writing into flat file with txt extension in ...

28. Not possible to rename file after FlatFileItemWriter step    forum.springsource.org

Not possible to rename file after FlatFileItemWriter step Spring batch 2.0.2 In our job we have a step which writes the contents of a table to an output file. The exportInventoryStep ...

29. Using own FlatFileItemWriter, footer not getting printed    forum.springsource.org

We have written our own flat file item writers which we are calling from writer itself. We are using Spring batch 2.0. Pplease find attached code snippet for your reference. We ...

30. FlatFileItemWriter written lines are not sorted    forum.springsource.org

FlatFileItemWriter written lines are not sorted Hello, I'm facing a strange problem with FlatFileItemWriter. The written lines are not sorted in the output file. The last invalid line is not at ...

31. FlatFileItemWriter & shouldDeleteIfExists    forum.springsource.org

FlatFileItemWriter & shouldDeleteIfExists Hi, I'm using spring-batch-2.1 I have a muti step job. Within the job there are 2 sequential steps that need to write to the same file i.e. the ...

32. Adding Append to FlatFileItemWriter    forum.springsource.org

Adding Append to FlatFileItemWriter Hi, We have few batch processes that require us to write to flat files more than once, and when I looked up appending to text files in ...

33. Problem using FlatFileItemWriter    forum.springsource.org

Problem using FlatFileItemWriter I am designing a batch process which picks a record from a file, processes the record(Business logic involved). While processing any Exception thrown, I will be writing the ...