From a24c2c930c6bfcf1bb0fbca79bbcdf5b7715a397 Mon Sep 17 00:00:00 2001
From: Alan Orth <alan.orth@gmail.com>
Date: Tue, 13 Feb 2018 15:16:18 +0200
Subject: [PATCH] Add notes for 2018-02-13

---
 content/post/2018-02.md | 34 +++++++++++++++++++++++++++++++
 docs/2018-02/index.html | 44 ++++++++++++++++++++++++++++++++++++++---
 docs/sitemap.xml        | 10 +++++-----
 3 files changed, 80 insertions(+), 8 deletions(-)

diff --git a/content/post/2018-02.md b/content/post/2018-02.md
index e159a08bd..035a6292a 100644
--- a/content/post/2018-02.md
+++ b/content/post/2018-02.md
@@ -419,3 +419,37 @@ dspace=# select * from metadatavalue where resource_type_id=2 and metadata_field
 - I think our current $40/month Linode has enough CPU and memory capacity, but we need more disk space
 - I think I'd probably just attach the block storage volume and mount it on /home/dspace
 - Ask Peter about `dc.rights` on DSpace Test again, if he likes it then we should move it to CGSpace soon
+
+## 2018-02-13
+
+- Peter said he was getting a "socket closed" error on CGSpace
+- I looked in the dspace.log.2018-02-13 and saw one recent one:
+
+```
+2018-02-13 12:50:13,656 ERROR org.dspace.storage.rdbms.DatabaseManager @ SQL QueryTable Error - 
+org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.
+...
+Caused by: java.net.SocketException: Socket closed
+```
+
+- Could be because of the `removeAbandoned="true"` that I enabled in the JDBC connection pool last week?
+
+```
+$ grep -c "java.net.SocketException: Socket closed" dspace.log.2018-02-*
+dspace.log.2018-02-01:0
+dspace.log.2018-02-02:0
+dspace.log.2018-02-03:0
+dspace.log.2018-02-04:0
+dspace.log.2018-02-05:0
+dspace.log.2018-02-06:0
+dspace.log.2018-02-07:0
+dspace.log.2018-02-08:1
+dspace.log.2018-02-09:6
+dspace.log.2018-02-10:0
+dspace.log.2018-02-11:3
+dspace.log.2018-02-12:0
+dspace.log.2018-02-13:4
+```
+
+- I apparently added that on 2018-02-07 so it could be, as I don't see any of those socket closed errors in 2018-01's logs!
+- I will increase the removeAbandonedTimeout from its default of 60 to 90 and enable logAbandoned
diff --git a/docs/2018-02/index.html b/docs/2018-02/index.html
index fbfcb92b7..fa5c2ffc5 100644
--- a/docs/2018-02/index.html
+++ b/docs/2018-02/index.html
@@ -23,7 +23,7 @@ I copied the logic in the jmx_tomcat_dbpools provided by Ubuntu&rsquo;s munin-pl
 
 <meta property="article:published_time" content="2018-02-01T16:28:54&#43;02:00"/>
 
-<meta property="article:modified_time" content="2018-02-12T11:33:00&#43;02:00"/>
+<meta property="article:modified_time" content="2018-02-12T11:38:08&#43;02:00"/>
 
 
 
@@ -57,9 +57,9 @@ I copied the logic in the jmx_tomcat_dbpools provided by Ubuntu&rsquo;s munin-pl
   "@type": "BlogPosting",
   "headline": "February, 2018",
   "url": "https://alanorth.github.io/cgspace-notes/2018-02/",
-  "wordCount": "2899",
+  "wordCount": "3020",
   "datePublished": "2018-02-01T16:28:54&#43;02:00",
-  "dateModified": "2018-02-12T11:33:00&#43;02:00",
+  "dateModified": "2018-02-12T11:38:08&#43;02:00",
   "author": {
     "@type": "Person",
     "name": "Alan Orth"
@@ -592,6 +592,44 @@ dspace=# commit;
 <li>Ask Peter about <code>dc.rights</code> on DSpace Test again, if he likes it then we should move it to CGSpace soon</li>
 </ul>
 
+<h2 id="2018-02-13">2018-02-13</h2>
+
+<ul>
+<li>Peter said he was getting a &ldquo;socket closed&rdquo; error on CGSpace</li>
+<li>I looked in the dspace.log.2018-02-13 and saw one recent one:</li>
+</ul>
+
+<pre><code>2018-02-13 12:50:13,656 ERROR org.dspace.storage.rdbms.DatabaseManager @ SQL QueryTable Error - 
+org.postgresql.util.PSQLException: An I/O error occurred while sending to the backend.
+...
+Caused by: java.net.SocketException: Socket closed
+</code></pre>
+
+<ul>
+<li>Could be because of the <code>removeAbandoned=&quot;true&quot;</code> that I enabled in the JDBC connection pool last week?</li>
+</ul>
+
+<pre><code>$ grep -c &quot;java.net.SocketException: Socket closed&quot; dspace.log.2018-02-*
+dspace.log.2018-02-01:0
+dspace.log.2018-02-02:0
+dspace.log.2018-02-03:0
+dspace.log.2018-02-04:0
+dspace.log.2018-02-05:0
+dspace.log.2018-02-06:0
+dspace.log.2018-02-07:0
+dspace.log.2018-02-08:1
+dspace.log.2018-02-09:6
+dspace.log.2018-02-10:0
+dspace.log.2018-02-11:3
+dspace.log.2018-02-12:0
+dspace.log.2018-02-13:4
+</code></pre>
+
+<ul>
+<li>I apparently added that on 2018-02-07 so it could be, as I don&rsquo;t see any of those socket closed errors in 2018-01&rsquo;s logs!</li>
+<li>I will increase the removeAbandonedTimeout from its default of 60 to 90 and enable logAbandoned</li>
+</ul>
+
   
 
   
diff --git a/docs/sitemap.xml b/docs/sitemap.xml
index 44b3e7152..9038256c4 100644
--- a/docs/sitemap.xml
+++ b/docs/sitemap.xml
@@ -4,7 +4,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/2018-02/</loc>
-    <lastmod>2018-02-12T11:33:00+02:00</lastmod>
+    <lastmod>2018-02-12T11:38:08+02:00</lastmod>
   </url>
   
   <url>
@@ -149,7 +149,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/</loc>
-    <lastmod>2018-02-12T11:33:00+02:00</lastmod>
+    <lastmod>2018-02-12T11:38:08+02:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -160,7 +160,7 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/notes/</loc>
-    <lastmod>2018-02-12T11:33:00+02:00</lastmod>
+    <lastmod>2018-02-12T11:38:08+02:00</lastmod>
     <priority>0</priority>
   </url>
   
@@ -172,13 +172,13 @@
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/post/</loc>
-    <lastmod>2018-02-12T11:33:00+02:00</lastmod>
+    <lastmod>2018-02-12T11:38:08+02:00</lastmod>
     <priority>0</priority>
   </url>
   
   <url>
     <loc>https://alanorth.github.io/cgspace-notes/tags/</loc>
-    <lastmod>2018-02-12T11:33:00+02:00</lastmod>
+    <lastmod>2018-02-12T11:38:08+02:00</lastmod>
     <priority>0</priority>
   </url>