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* Console: Try to prevent cascaded IllegalStateExceptions in .jsp code;

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add logging for original error
This commit is contained in:
zzz
2011-04-28 18:01:48 +00:00
parent 38db0b0ff3
commit e8d94982e4
3 changed files with 34 additions and 15 deletions
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31
apps/routerconsole/jsp/flags.jsp
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@@ -11,7 +11,6 @@
* flags.jsp?c=de => icons/flags/de.png
* with headers set so the browser caches.
*/
boolean rendered = false;
String c = request.getParameter("c");
if (c != null && c.length() > 0) {
java.io.OutputStream cout = response.getOutputStream();
@@ -38,17 +37,23 @@ if (c != null && c.length() > 0) {
response.setContentType("image/png");
try {
net.i2p.util.FileUtil.readFile(file, base, cout);
rendered = true;
} catch (java.io.IOException ioe) {}
if (rendered)
cout.close();
} catch (java.io.IOException ioe) {
// prevent 'Committed' IllegalStateException from Jetty
if (!response.isCommitted()) {
response.sendError(403, ioe.toString());
} else {
net.i2p.I2PAppContext.getGlobalContext().logManager().getLog(getClass()).error("Error serving flags/" + c + ".png", ioe);
// Jetty doesn't log this
throw ioe;
}
}
} else {
/*
* Send a 403 instead of a 404, because the server sends error.jsp
* for 404 errors, complete with the summary bar, which would be
* a huge load for a page full of flags if the user didn't have the
* flags directory for some reason.
*/
response.sendError(403, "No flag specified");
}
/*
* Send a 403 instead of a 404, because the server sends error.jsp
* for 404 errors, complete with the summary bar, which would be
* a huge load for a page full of flags if the user didn't have the
* flags directory for some reason.
*/
if (!rendered)
response.sendError(403, "Flag not found");
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