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  1. Nuxeo Platform
  2. NXP-21360

Fix java.io.tmpdir value when generating thumbnail on windows

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      Description

      1. install Nuxeo 7.10-HF18
      2. startup and up head over to {{ Admin / System Information / Setup / Advanced Setup }}
      3. check the paramters nuxeo.tmp.dir and java.io.tmpdir they both contain a value matching the default tmp folder with backslashes
      4. set nuxeo.tmp.dir to some existing folder value, for example E:\Nuxeo\Tmp
      5. after starting up head over to {{ Admin / System Information / Setup / Advanced Setup }}
      6. check the paramters nuxeo.tmp.dir and java.io.tmpdir, they are both rewritten with forward slashes
      7. also when trying to create a file with a picture attached, the thumbnail generation echoes the following:
        2016-11-23 16:43:36,287 WARN  [Nuxeo-Work-default-3] [org.nuxeo.ecm.platform.thumbnail.factories.ThumbnailDocumentFactory] Cannot compute document thumbnail
        org.nuxeo.ecm.core.convert.api.ConversionException: Thumbnail conversion failed
        	at org.nuxeo.ecm.platform.thumbnail.converter.ThumbnailDocumentConverter.convert(ThumbnailDocumentConverter.java:85)
        	at org.nuxeo.ecm.core.convert.extension.ChainedConverter.convertBasedSubConverters(ChainedConverter.java:80)
        	at org.nuxeo.ecm.core.convert.extension.ChainedConverter.convert(ChainedConverter.java:64)
        	at org.nuxeo.ecm.core.convert.service.ConversionServiceImpl.convert(ConversionServiceImpl.java:198)
        	at org.nuxeo.ecm.platform.thumbnail.converter.AnyToThumbnailConverter.convert(AnyToThumbnailConverter.java:75)
        	at org.nuxeo.ecm.core.convert.service.ConversionServiceImpl.convert(ConversionServiceImpl.java:198)
        	at org.nuxeo.ecm.platform.thumbnail.factories.ThumbnailDocumentFactory.computeThumbnail(ThumbnailDocumentFactory.java:87)
        	at org.nuxeo.ecm.core.api.thumbnail.ThumbnailServiceImpl.computeThumbnail(ThumbnailServiceImpl.java:92)
        	at org.nuxeo.ecm.core.api.thumbnail.ThumbnailAdapter.computeThumbnail(ThumbnailAdapter.java:56)
        	at org.nuxeo.ecm.platform.thumbnail.listener.UpdateThumbnailListener.processDoc(UpdateThumbnailListener.java:60)
        	at org.nuxeo.ecm.platform.thumbnail.listener.UpdateThumbnailListener.handleEvent(UpdateThumbnailListener.java:130)
        	at org.nuxeo.ecm.core.event.impl.AsyncEventExecutor$ListenerWork.work(AsyncEventExecutor.java:173)
        	at org.nuxeo.ecm.core.work.AbstractWork.runWorkWithTransaction(AbstractWork.java:396)
        	at org.nuxeo.ecm.core.work.AbstractWork.runWorkWithTransactionAndCheckExceptions(AbstractWork.java:357)
        	at org.nuxeo.ecm.core.work.AbstractWork.run(AbstractWork.java:328)
        	at org.nuxeo.ecm.core.work.WorkHolder.run(WorkHolder.java:52)
        	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        	at java.lang.Thread.run(Thread.java:745)
        Caused by: org.nuxeo.ecm.platform.commandline.executor.api.CommandException: Error code 4 return by command: convert -define registry:temporary-path=#{java.io.tmpdir} -quiet -strip -thumbnail #{size} -background transparent -gravity center -format png -quality 75 #{inputFilePath}[0] #{outputFilePath}
        Param?tre non valide - registry:temporary-path=D:
        	at org.nuxeo.ecm.platform.commandline.executor.api.ExecResult.<init>(ExecResult.java:60)
        	at org.nuxeo.ecm.platform.commandline.executor.service.executors.ShellExecutor.exec(ShellExecutor.java:80)
        	at org.nuxeo.ecm.platform.commandline.executor.service.CommandLineExecutorComponent.execCommand(CommandLineExecutorComponent.java:172)
        	at org.nuxeo.ecm.platform.thumbnail.converter.ThumbnailDocumentConverter.convert(ThumbnailDocumentConverter.java:78)
        	... 18 more
        
      8. It seems the path is truncated into D:
      9. after a debugging session, the complete path is provided as is to the ProcessBuilder class in the ShellExecutor but it seems not to handle this correctly when forward slashes are involved

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