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Sat, 30 March 2013 13:00

Axel Guckelsberger
Messages: 184
Registered: July 2009

Senior Member

Hi all,

when starting the generator using the new versions of MWE and Xtend the
console log gets filled up with stacktraces of java.io.FileNotFoundException
for each generated file.
Looking like this:

9359 [main] ERROR esource.generic.XMLEncodingProvider  - Error detecting 
encoding for file:/home/.../some/file
java.io.FileNotFoundException: /home/.../some/file (No such file or 
directory)
	at java.io.FileInputStream.open(Native Method)
	at java.io.FileInputStream.<init>(FileInputStream.java:137)
	at 
org.eclipse.emf.ecore.resource.impl.FileURIHandlerImpl.createInputStream(FileURIHandlerImpl.java:99)
	at 
org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:354)
	at 
org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:348)
	at 
org.eclipse.xtext.resource.generic.XMLEncodingProvider.getEncoding(XMLEncodingProvider.java:32)
	at 
org.eclipse.xtext.generator.JavaIoFileSystemAccess.getEncoding(JavaIoFileSystemAccess.java:140)
	at 
org.eclipse.xtext.generator.JavaIoFileSystemAccess.generateFile(JavaIoFileSystemAccess.java:81)
	at 
org.eclipse.xtext.generator.AbstractFileSystemAccess.generateFile(AbstractFileSystemAccess.java:75)
....

Basically the problem occurs in XMLEncodingProvider#getEncoding() which
creates an input stream without checking properly if the file exists before.

Did I forget to setup something or is it a bug?

Axel

[Updated on: Sat, 30 March 2013 13:07]

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Fri, 05 April 2013 02:09

Axel Guckelsberger
Messages: 184
Registered: July 2009

Senior Member

Any clue?

Axel Guckelsberger wrote:

> Hi all,
>
> when starting the generator using the new versions of MWE and Xtend the
> console log gets filled up with stacktraces of
> java.io.FileNotFoundException for each generated file.
> Looking like this:
>
> 9359 [main] ERROR esource.generic.XMLEncodingProvider - Error detecting
> encoding for file:/home/.../some/file
> java.io.FileNotFoundException: /home/.../some/file (No such file or
> directory)
> at java.io.FileInputStream.open(Native Method)
> at java.io.FileInputStream.<init>(FileInputStream.java:137)
> at
>
org.eclipse.emf.ecore.resource.impl.FileURIHandlerImpl.createInputStream(FileURIHandlerImpl.java:99)
> at
>
org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:354)
> at
>
org.eclipse.emf.ecore.resource.impl.ExtensibleURIConverterImpl.createInputStream(ExtensibleURIConverterImpl.java:348)
> at
>
org.eclipse.xtext.resource.generic.XMLEncodingProvider.getEncoding(XMLEncodingProvider.java:32)
> at
>
org.eclipse.xtext.generator.JavaIoFileSystemAccess.getEncoding(JavaIoFileSystemAccess.java:140)
> at
>
org.eclipse.xtext.generator.JavaIoFileSystemAccess.generateFile(JavaIoFileSystemAccess.java:81)
> at
>
org.eclipse.xtext.generator.AbstractFileSystemAccess.generateFile(AbstractFileSystemAccess.java:75)
> ...
>
> Basically the problem occurs in XMLEncodingProvider#getEncoding() which
> creates an input stream without checking properly if the file exists
> before.
>
> Did I forget to setup something or is it a bug?
>
> Axel

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Fri, 05 April 2013 03:08

Christian Dietrich
Messages: 4444
Registered: July 2009

Senior Member

Hi,

the encoding provider is for reading model (xmi) files. so it may not been optimized for the use in the generator.
sounds like a bug to me.

~Christian

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Sat, 25 May 2013 13:53

Axel Guckelsberger
Messages: 184
Registered: July 2009

Senior Member

Thanks Christian,

I added bug 409069 for this issue.

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