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https://issues.apache.org/jira/browse/TIKA-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17166439#comment-17166439
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Nick Burch commented on TIKA-3141:
----------------------------------
Unsetting the environment variable seems like the right way to handle it as a
user, but the current Tika behaviour does feel unexpected and non-ideal. A
warning of a set-but-empty config variable and an ignore seems like a better
experience
Would that make sense to everyone?
> LINUX - Tika shouldn't throw an exception for an empty TIKA_CONFIG
> environment variable value
> ---------------------------------------------------------------------------------------------
>
> Key: TIKA-3141
> URL: https://issues.apache.org/jira/browse/TIKA-3141
> Project: Tika
> Issue Type: Bug
> Components: config
> Affects Versions: 1.20
> Environment: Any Linux distro. I'm running the bash shell. Not sure
> about other platforms.
> Reporter: Josh Burchard
> Priority: Trivial
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> On my Linux box I configure Tika using the TIKA_CONFIG environment variable
> to point the Tika server at my config.xml file. Sometimes, however, I want
> to clear this variable to use the default config and I noticed that Tika will
> throw an exception and abort if I do the following:
> export TIKA_CONFIG=''
> Seems like a case that should be handled just by ignoring the empty value
> (i.e., there's no config to be used so go with the default) or at the most,
> log a warning that the variable was detected but it's value is empty, but
> still carry on using the default config.
> {{Exception in thread "main" java.lang.RuntimeException: Unable to access
> default configuration}}
> \{{ at
> org.apache.tika.config.TikaConfig.getDefaultConfig(TikaConfig.java:410)}}
> \{{ at org.apache.tika.Tika.<init>(Tika.java:116)}}
> \{{ at org.apache.tika.server.TikaServerCli.main(TikaServerCli.java:125)}}
> {{*Caused by: org.apache.tika.exception.TikaException: Specified Tika
> configuration not found:*}}
> \{{ at
> org.apache.tika.config.TikaConfig.getConfigInputStream(TikaConfig.java:317)}}
> \{{ at org.apache.tika.config.TikaConfig.<init>(TikaConfig.java:254)}}
> \{{ at
> org.apache.tika.config.TikaConfig.getDefaultConfig(TikaConfig.java:405)}}
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