Problems with downloading multiple files simultaneously in DVN 3.6

[Joerg Messer]

Greetings,

A while back we started having problems with the "Download Selected Files" feature on the "Data & Analysis" page.  Downloading individual files works fine but when we try to download more than one we get the following error.  Has anyone seen this before?

//Joerg (UBC Library)

The resource did not process correctly

java.lang.NumberFormatException: For input string: "1000m"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
	at java.lang.Long.parseLong(Long.java:419)
	at java.lang.Long.(Long.java:678)
	at edu.harvard.iq.dvn.core.web.servlet.FileDownloadServlet.zipMultipleFiles(FileDownloadServlet.java:1950)
	at edu.harvard.iq.dvn.core.web.servlet.FileDownloadServlet.service(FileDownloadServlet.java:274)

                 ...

[Philip Durbin]

Huh. Can you please link to line 1950 on GitHub?

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[Joerg Messer]

Hi Phil,

From your response, I get the feeling that a casual glance at the code should make the problem obvious.  Unfortunately, I looked at the FileDownloadServlet.java code and I'm no further ahead.  Any further tips?

//Joerg

On Monday, 8 September 2014 15:44:53 UTC-7, Philip Durbin wrote:

Huh. Can you please link to line 1950 on GitHub?

On Sep 8, 2014 6:30 PM, "Joerg Messer" <joerg....@gmail.com> wrote:

Greetings,

A while back we started having problems with the "Download Selected Files" feature on the "Data & Analysis" page.  Downloading individual files works fine but when we try to download more than one we get the following error.  Has anyone seen this before?

//Joerg (UBC Library)

The resource did not process correctly

java.lang.NumberFormatException: For input string: "1000m"
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
	at java.lang.Long.parseLong(Long.java:419)
	at java.lang.Long.(Long.java:678)
	at edu.harvard.iq.dvn.core.web.servlet.FileDownloadServlet.zipMultipleFiles(FileDownloadServlet.java:1950)
	at edu.harvard.iq.dvn.core.web.servlet.FileDownloadServlet.service(FileDownloadServlet.java:274)

                 ...

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[Philip Durbin]

What version of DVN are you running? We're running 3.6.2 but line 1950 is whitespace (a newline):

https://github.com/IQSS/dvn/blob/3.6.2/DVN-root/DVN-web/src/main/java/edu/harvard/iq/dvn/core/web/servlet/FileDownloadServlet.java#L1950

That's why I asked for a link. :)

I hope this make sense. Linking to line numbers really helps developers hunt down a problem.

Phil

--

Philip Durbin
Software Developer for http://dataverse.org
http://www.iq.harvard.edu/people/philip-durbin

[Joerg Messer]

Hi Phil,

Ok.  The fog is lifting.  I gave the version (DVN v3.6) in the title.  We're a little back level. 

//Joerg

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[Philip Durbin]

Ok, so https://github.com/IQSS/dvn/blob/3.6/src/DVN-web/src/edu/harvard/iq/dvn/core/web/servlet/FileDownloadServlet.java#L1950

sizeLimitOption should be a number so "1000m" is not valid. This is dvn.batchdownload.limit and is expressed in bytes per https://thedata.harvard.edu/guides/dataverse-installer-main.html#jvm-options

Hope this helps,

Phil

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[Joerg Messer]

Phil,

That helps a great deal.  I appear to have been confused about valid download limit values in domain.xml.  The problem has been fixed and all is well.  Many thanks for pointing out this rookie error.  Ciao.

//Joerg

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[Philip Durbin]

Great to hear!

Phil

p.s. Excellent point about the version number in the subject. :)

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