I've tested FOP for a while and I really like it so far, however yesterday I
encountered a problem.
I've created a Servlet which outputs a PDF that works perfectly on my
machine, but when I run it on my web-hoster's servers I get a:
java.security.AccessControlException: access denied (java.io.FilePermission
/usr/local/tomcat/.fop/fop-fonts.cache read)
java.security.AccessControlContext.checkPermission(Unknown Source)
java.security.AccessController.checkPermission(Unknown Source)
java.lang.SecurityManager.checkPermission(Unknown Source)
java.lang.SecurityManager.checkRead(Unknown Source)
java.io.File.exists(Unknown Source)
org.apache.fop.fonts.FontCache.loadFrom(FontCache.java:142)
org.apache.fop.fonts.FontCache.load(FontCache.java:132)
org.apache.fop.fonts.FontManager.setUseCache(FontManager.java:121)
org.apache.fop.fonts.FontManager.<init>(FontManager.java:63)
org.apache.fop.apps.FopFactory$1.<init>(FopFactory.java:159)
org.apache.fop.apps.FopFactory.<init>(FopFactory.java:156)
org.apache.fop.apps.FopFactory.newInstance(FopFactory.java:177)
<....>
when running FopFactory.newInstance()
Well, it seems FontCache i assuming I have read-permission in the
home-directory, which I have not on the server.
I have two suggestions how to solve this problem,
1. In FontCache.loadFrom(File cacheFile),
the "if (cacheFile.exists()) {"-statement could be moved to within the
try-block.
This will result in no cache read if one does not have read-permission in
the home-dir.
2. Add read-permission-check in method "public static File
getDefaultCacheFile(boolean forWriting)" and default back to temp-dir, as
with write-permission.
I guess the best would be to do both, that way if one does not even have
read-permission in the temp-dir, no cache will be used/read.
Also, since the exception is thrown when I create the FopFactory, I cannot
change the font-cache. So I'm stuck.
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