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https://issues.apache.org/jira/browse/FOP-2954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17525955#comment-17525955
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Simon Steiner commented on FOP-2954:
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createRestrictedIO will avoid the font cache:
FopFactoryBuilder confBuilder = new FopConfParser(new
ByteArrayInputStream(fopxconf.getBytes()),
EnvironmentalProfileFactory.createRestrictedIO(new
File(".").toURI(), cloudResourceResolver)).getFopFactoryBuilder();
FopFactory fopFactory = confBuilder.build();
> Uncaught java.lang.ClassCastException in FontCache.loadFrom()
> -------------------------------------------------------------
>
> Key: FOP-2954
> URL: https://issues.apache.org/jira/browse/FOP-2954
> Project: FOP
> Issue Type: Bug
> Components: font/unqualified
> Affects Versions: 2.4
> Reporter: Jörg Weske
> Priority: Major
> Attachments: stacktrace.txt
>
>
> In certain cases, de-serialization of a defective fontcache file can fail
> with a java.lang.ClassCastException (see attached partial stacktrace).
> The exception should be caught inside FontCache.loadFrom() and the defective
> cache file discarded, as with the two other exceptions that are already being
> handled appropriately (ClassNotFoundException and IOException).
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