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@@ -130,7 +130,7 @@ void split(const string &str, char sep, vector<string> &output);
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  *
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  * @param filename The filename to check.
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  * @return Whether the file exists.
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- * @throws FileSystemException Unable to check because of a system error.
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+ * @throws FileSystemException Unable to check because of a filesystem error.
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  * @ingroup Support
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  */
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 bool fileExists(const char *filename);
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@@ -144,6 +144,7 @@ bool fileExists(const char *filename);
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  *      only absolute paths are scanned.
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  * @return An absolute path to the spawn server script, or
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  *         an empty string on error.
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+ * @throws FileSystemException Unable to access parts of the filesystem.
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  * @ingroup Support
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  */
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 string findSpawnServer(const char *passengerRoot = NULL);
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@@ -154,6 +155,7 @@ string findSpawnServer(const char *passengerRoot = NULL);
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  *
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  * @param passengerRoot The Passenger root folder.
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  * @return An absolute path to the executable.
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+ * @throws FileSystemException Unable to access parts of the filesystem.
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  * @pre passengerRoot != NULL
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  * @ingroup Support
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  */
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@@ -181,7 +183,7 @@ bool verifyRailsDir(const string &dir);
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  * Check whether the specified directory is a valid Rack 'public'
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  * directory.
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  *
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- * @throws FileSystemException Unable to check because of a system error.
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+ * @throws FileSystemException Unable to check because of a filesystem error.
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  * @ingroup Support
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  */
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 bool verifyRackDir(const string &dir);