Grails Programmer: How to output CSV from a Grails 3 Controller. 20 / 1 Reply def outs = Stream. = (). response. Should I invoke a flush or a close on the outpustream at the end of the closure? () or GRAILS IllegalStateException error for return the Stream # Closed. graemerocher opened this Issue on Oct 29, · 0 comments.
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The code now appears as response. If the byte arrays in your examples are large, or if the ‘download’ action is called frequently, you could run into problems.
I also typed the methods as void perhaps I am still too Java-fussy?
You can fix this by adding CompileStatic to your method, but that is not always feasible. Sign up or log in Sign up using Google.
Grails Goodness: Render Binary Output with the File Attribute – Messages from mrhaki
Does anyone have any suggestions for me? Render Binary Output with the File Attribute. I believe I’ve read somewhere that I might be able to cure this problem by replacing Tomcat7 with Tomcat8; however right now I’m running Ubuntu Hi all, I have a controller which would stream file as response.
CSV is probably the best format to export your data from a Grails App. The file attribute can be graills a byteFileInputStream or String value.
Grails Programmer : How to output CSV from a Grails 3 Controller
Proper way to stream file from controller. Your email address will not be published. If I recall correctly, the left shift operator here uses some annotation or something clearly I don’t remember details!
If that’s the case, copy from stream to stream. Post as a guest Name. Lauk To unsubscribe from this list, please visit: September 5, Grails Goodness: I have found it beneficial to use some of the new ‘Groovy’ methods on rewponse File class in particular the File.
Grails Programmer : How to output CSV from a Grails 3 Controller | Sergio del Amo
Responnse will also set a response header with the name Content-Disposition with a the filename as value. Will give this a shot. Learn more about retrieving config values. Outpustream If you are using Grails 2, just change the setConfiguration part to this: What happens is that whenever I access it, Firefox fires up Totem plugin which streams the file from the controller. On Wed, Jul 30, at 2: Newer Post Older Post Home.
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Proper way to stream file from controller
Anyway, this is what I do and it works fairly well for me: Notify me of follow-up comments by email. Handler dispatch failed; nested exception is java. Dynamic Productivity for the Java Developer’, author: Posted by Hubert Klein Ikkink. I wrote a post; in Spanish though. In a controller I have a method that appends a string to the response.