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From "Martin Desruisseaux (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SIS-366) sis-gdal module should not write native file in the temporary directory
Date Sat, 07 Oct 2017 13:14:00 GMT

    [ https://issues.apache.org/jira/browse/SIS-366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195689#comment-16195689
] 

Martin Desruisseaux commented on SIS-366:
-----------------------------------------

Partial fix committed as of revision 1811420: for the {{apache-sis-bin-0.8.jar}} file, the
native files are stored in {{lib/linux}}, {{lib/darwin}} or {{lib/windows}} directories. However
this fix does not yet apply to usage in other context (for example, it does not yet apply
to JAR files used in Maven project).

> sis-gdal module should not write native file in the temporary directory
> -----------------------------------------------------------------------
>
>                 Key: SIS-366
>                 URL: https://issues.apache.org/jira/browse/SIS-366
>             Project: Spatial Information Systems
>          Issue Type: Bug
>          Components: Storage
>    Affects Versions: 0.8
>         Environment: Linux, MacOS
>            Reporter: Martin Desruisseaux
>            Assignee: Martin Desruisseaux
>             Fix For: 0.8
>
>
> The {{sis-gdal}} module uses Java Native Interface (JNI) for accessing the Proj.4 library.
Currently, the JNI are pre-compiled in {{storage/sis-gdal/src/main/resources/native/<OS>/libproj-binding.so}}
files where {{<OS>}} is {{linux}} or {{darwin}}. The file size is about 14 kb. Since
we can not load a library from a JAR file, we have to copy it as a regular file somewhere.
Current implementation copies it in the temporary directory.
> Problem is that some environments do not give execution permission in the temporary directory.
Consequently we should save the {{libproj-binding.so}} files somewhere else. Some possibilities
are:
> 1. Platform-specific directory like {{<user directory>/Library}} on MacOS.
> 2. A sub-directory of {{$SIS_DATA}}.



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