From c6b6bd31aaad831e254361d24816291943669aba Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 22 Aug 2012 21:59:12 -0400
Subject: [PATCH] Fixed MailExecutor's flaws in coping with mail server connection trouble
---
docs/04_releases.mkd | 1 +
src/com/gitblit/MailExecutor.java | 47 ++++++++---------------------------------------
2 files changed, 9 insertions(+), 39 deletions(-)
diff --git a/docs/04_releases.mkd b/docs/04_releases.mkd
index fc56876..4331d0a 100644
--- a/docs/04_releases.mkd
+++ b/docs/04_releases.mkd
@@ -11,6 +11,7 @@
#### fixes
+- Fixed MailExecutor's failure to cope with mail server connection troubles resulting in 100% CPU usage
- Fixed generated urls in Groovy *sendmail* hook script for grouped repositories
- Fixed generated urls in RSS feeds for grouped repositories
- Eliminated an unnecessary reopsitory enumeration call on the root page which should result in faster page loads (issue 103)
diff --git a/src/com/gitblit/MailExecutor.java b/src/com/gitblit/MailExecutor.java
index 77dc80b..ea19edb 100644
--- a/src/com/gitblit/MailExecutor.java
+++ b/src/com/gitblit/MailExecutor.java
@@ -17,7 +17,6 @@
import java.util.ArrayList;
import java.util.Arrays;
-import java.util.Collections;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
@@ -29,7 +28,6 @@
import javax.mail.Authenticator;
import javax.mail.Message;
-import javax.mail.Message.RecipientType;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
@@ -52,8 +50,6 @@
private final Logger logger = LoggerFactory.getLogger(MailExecutor.class);
private final Queue<Message> queue = new ConcurrentLinkedQueue<Message>();
-
- private final Set<Message> failures = Collections.synchronizedSet(new HashSet<Message>());
private final Session session;
@@ -216,49 +212,22 @@
if (!queue.isEmpty()) {
if (session != null) {
// send message via mail server
+ List<Message> failures = new ArrayList<Message>();
Message message = null;
- while ((message = queue.peek()) != null) {
+ while ((message = queue.poll()) != null) {
try {
if (settings.getBoolean(Keys.mail.debug, false)) {
- logger.info("send: "
- + StringUtils.trimString(
- message.getSubject()
- + " => "
- + message.getRecipients(RecipientType.TO)[0]
- .toString(), 60));
+ logger.info("send: " + StringUtils.trimString(message.getSubject(), 60));
}
Transport.send(message);
- queue.remove();
- failures.remove(message);
} catch (Throwable e) {
- if (!failures.contains(message)) {
- logger.error("Failed to send message", e);
- failures.add(message);
- }
+ logger.error("Failed to send message", e);
+ failures.add(message);
}
}
- }
- } else {
- // log message to console and drop
- if (!queue.isEmpty()) {
- Message message = null;
- while ((message = queue.peek()) != null) {
- try {
- logger.info("drop: "
- + StringUtils.trimString(
- (message.getSubject())
- + " => "
- + message.getRecipients(RecipientType.TO)[0]
- .toString(), 60));
- queue.remove();
- failures.remove(message);
- } catch (Throwable e) {
- if (!failures.contains(message)) {
- logger.error("Failed to remove message from queue");
- failures.add(message);
- }
- }
- }
+
+ // push the failures back onto the queue for the next cycle
+ queue.addAll(failures);
}
}
}
--
Gitblit v1.9.1