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https://issues.apache.org/jira/browse/FOP-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263719#comment-17263719
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Christopher Watford commented on FOP-2146:
------------------------------------------
I was able to fake this out for AWS Lambda with the following:
{code:java}
String oldUserHome = System.getProperty("user.home");
System.setProperty("user.home",
System.getProperty("java.io.tmpdir"));
try {
exporter.exportToFile(book, pageFormat,
tempFile.getAbsolutePath());
} finally {
System.setProperty("user.home", oldUserHome);
}
{code}
> Wrong FontCache-Directory used for not existing userHome in
> FontCache.getDefaultCacheFile() (Bug 47786 was not fixed correctly)
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: FOP-2146
> URL: https://issues.apache.org/jira/browse/FOP-2146
> Project: FOP
> Issue Type: Bug
> Components: font/unqualified
> Affects Versions: 1.1
> Environment: Operating System: All
> Platform: All
> Reporter: mg
>
> Method getDefaultCacheFile() returns an invalid file name if the user has no
> home directory set. In that case the name of the fop user directory
> (FOP_USER_DIR!) is returned and not the name of the cache file
> (DEFAULT_CACHE_FILENAME).
> Wrong Code:
> public static File getDefaultCacheFile(boolean forWriting) {
> File userHome = getUserHome();
> if (userHome != null) {
> File fopUserDir = new File(userHome, FOP_USER_DIR);
> if (forWriting) {
> boolean writable = fopUserDir.canWrite();
> if (!fopUserDir.exists()) {
> writable = fopUserDir.mkdir();
> }
> if (!writable) {
> userHome = getTempDirectory();
> fopUserDir = new File(userHome, FOP_USER_DIR);
> fopUserDir.mkdir();
> }
> }
> return new File(fopUserDir, DEFAULT_CACHE_FILENAME);
> }
> return new File(FOP_USER_DIR);
> }
> If getUserHome() does not return a directory the default name must be
> returned (and not the name of the directory):
> return new File(DEFAULT_CACHE_FILENAME);
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