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Code Issues Releases Wiki Activity

IMAP: Improve error handling, do not fail on message retrieval error, just send error message

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git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@870 3d1905a2-6b24-0410-a738-b14d5a86fcbd
This commit is contained in:
mguessan 2009-12-07 09:35:25 +00:00
parent 618cc4a3ea
commit d4cdc76721
4 changed files with 53 additions and 5 deletions
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35
src/java/davmail/exception/HttpServerErrorException.java Normal file
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@ -0,0 +1,35 @@
/*
* DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
* Copyright (C) 2009 Mickael Guessant
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package davmail.exception;
import org.apache.commons.httpclient.HttpException;
/**
* HttpException with 500 internal server error status.
*/
public class HttpServerErrorException extends HttpException {
/**
* HttpException with 500 internal server error status.
*
* @param message exception message
*/
public HttpServerErrorException(String message) {
super(message);
}
}

7
src/java/davmail/http/DavGatewayHttpClientFacade.java
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@ -23,6 +23,7 @@ import davmail.Settings;
import davmail.exception.DavMailException;
import davmail.exception.HttpForbiddenException;
import davmail.exception.HttpNotFoundException;
import davmail.exception.HttpServerErrorException;
import davmail.ui.tray.DavGatewayTray;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.auth.AuthPolicy;
@ -389,14 +390,14 @@ public final class DavGatewayHttpClientFacade {
}
if (status != HttpStatus.SC_OK) {
LOGGER.warn("GET failed with status " + status + " at " + method.getURI() + ": " + method.getResponseBodyAsString());
throw new DavMailException("EXCEPTION_GET_FAILED", status, method.getURI());
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
// check for expired session
if (followRedirects) {
String queryString = method.getQueryString();
if (queryString != null && queryString.contains("reason=2")) {
LOGGER.warn("GET failed, session expired at " + method.getURI() + ": " + method.getResponseBodyAsString());
throw new DavMailException("EXCEPTION_GET_FAILED", status, method.getURI());
throw DavGatewayHttpClientFacade.buildHttpException(method);
}
}
}
@ -424,6 +425,8 @@ public final class DavGatewayHttpClientFacade {
return new HttpForbiddenException(message.toString());
} else if (status == HttpStatus.SC_NOT_FOUND) {
return new HttpNotFoundException(message.toString());
} else if (status == HttpStatus.SC_INTERNAL_SERVER_ERROR) {
return new HttpServerErrorException(message.toString());
} else {
return new HttpException(message.toString());
}

15
src/java/davmail/imap/ImapConnection.java
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@ -257,7 +257,12 @@ public class ImapConnection extends AbstractConnection {
while (uidRangeIterator.hasNext()) {
DavGatewayTray.switchIcon();
ExchangeSession.Message message = uidRangeIterator.next();
handleFetch(message, uidRangeIterator.currentIndex, parameters);
try {
handleFetch(message, uidRangeIterator.currentIndex, parameters);
} catch (IOException e) {
DavGatewayTray.log(e);
sendClient(commandId + " NO Unable to retrieve message: "+e.getMessage());
}
}
sendClient(commandId + " OK UID FETCH completed");
}
@ -319,7 +324,13 @@ public class ImapConnection extends AbstractConnection {
while (rangeIterator.hasNext()) {
DavGatewayTray.switchIcon();
ExchangeSession.Message message = rangeIterator.next();
handleFetch(message, rangeIterator.currentIndex, parameters);
try {
handleFetch(message, rangeIterator.currentIndex, parameters);
} catch (IOException e) {
DavGatewayTray.log(e);
sendClient(commandId + " NO Unable to retrieve message: "+e.getMessage());
}
}
sendClient(commandId + " OK FETCH completed");
}

1
src/java/davmailmessages.properties
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@ -25,7 +25,6 @@ EXCEPTION_INVALID_REQUEST=Invalid request: {0}
EXCEPTION_INVALID_SEARCH_PARAMETERS=Invalid search parameters: {0}
EXCEPTION_NETWORK_DOWN=All network interfaces down or host unreachable !
EXCEPTION_UNABLE_TO_CREATE_MESSAGE=Unable to create message {0}: {1}{2}{3}
EXCEPTION_GET_FAILED=Get request failed with status {0} at {1}
EXCEPTION_UNABLE_TO_GET_FOLDER=Unable to get folder at {0}
EXCEPTION_UNABLE_TO_GET_MAIL_FOLDER=Unable to get mail folder at {0}
EXCEPTION_UNABLE_TO_GET_PROPERTY=Unable to get property {0}