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Jukka Matilainen commented on FOP-2857: --------------------------------------- I have the same problem. When running FOP in the AWS Lambda Java runtime, the {{user.home}} system property points to a non-existent directory and {{FontCache.getUserHome()}} returns {{null}} due to the existence test in {{FontCache.toDirectory()}} failing. Now when {{FontCache.getDefaultCacheFile(true)}} gets called it returns {{new File(".fop")}} as the font cache location instead the expected {{new File("/tmp/.fop/fop-fonts.cache").}} This won't work in AWS Lambda, as the current working directory is not writable (in fact, /tmp directory is the only writable directory.. > [PATCH] FontCache.toDirectory() and FontCache.getDefaultCacheFile() not > working correctly > ----------------------------------------------------------------------------------------- > > Key: FOP-2857 > URL: https://issues.apache.org/jira/browse/FOP-2857 > Project: FOP > Issue Type: Bug > Components: font/unqualified > Affects Versions: 2.3 > Reporter: Vera Straube > Priority: Critical > Attachments: FontCache.java.patch, FontCache.java.patch2 > > > The function getDefaultCacheFile() of the class FontCache should work like > this: > [1] case: select user_dir > -> user_dir: 'C:\Users\strv' > -> temp_dir: 'C:\Users\strv\AppData\Local\Temp\' > -> cache_file: 'C:\Users\strv\.fop\fop-fonts.cache' > [2] case: select temp_dir > -> user_dir: '' > -> temp_dir: 'C:\Users\strv\AppData\Local\Temp\' > -> cache_file: 'C:\Users\strv\AppData\Local\Temp\.fop\fop-fonts.cache' > [3] case: select curr_dir > -> user_dir: '' > -> temp_dir: '' > -> cache_file: 'fop-fonts.cache' > Actually it works uncorrectly like this: > [1] case: select user_dir > -> user_dir: 'C:\Users\strv' > -> temp_dir: 'C:\Users\strv\AppData\Local\Temp\' > -> cache_file: 'C:\Users\strv\.fop\fop-fonts.cache' > [2] case: select temp_dir > -> user_dir: '' > -> temp_dir: 'C:\Users\strv\AppData\Local\Temp\' > -> cache_file: '.fop' --> wrong behavior !!! > [3] case: select curr_dir > -> user_dir: '' > -> temp_dir: '' > -> cache_file: '.fop' --> wrong behavior !!! -- This message was sent by Atlassian Jira (v8.3.4#803005)