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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am seeing this on occasion also, but not with Shib. I get it with CAS.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">localhost.2014-09-20.log-20140920-221501.gz:SEVERE: Servlet.service() for servlet [cas] in context with path [/cas] threw exception [Request processing failed;
nested exception is org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds] with root cause<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">localhost.2014-09-20.log-20140920-221501.gz:org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30
seconds<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This apparently a very difficult problem to solve. It involves finding a slow running process. This thread showing the error is not the issue. It is something
before it.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">See this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://stackoverflow.com/questions/9533786/spring-web-flow-locktimeoutexception">http://stackoverflow.com/questions/9533786/spring-web-flow-locktimeoutexception</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I am still fighting this issue, it is hard to figure out because I can’t recreate it at will and is only random in production….<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-family:"Calibri","sans-serif";color:#1F497D">Bryan Wooten<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Tel: (801)585-9323<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Email:
<a href="mailto:bryan.wooten@utah.edu">bryan.wooten@utah.edu</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img border="0" width="211" height="123" id="Picture_x0020_1" src="cid:image002.jpg@01D0F52A.30FEF070" alt="Identity & Access Management_combined centered"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> users [mailto:users-bounces@shibboleth.net]
<b>On Behalf Of </b>Jeffrey Crawford<br>
<b>Sent:</b> Tuesday, September 22, 2015 11:21 AM<br>
<b>To:</b> users@shibboleth.net<br>
<b>Subject:</b> Sudden error condition this morning<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New"">As things ramp up for the fall quarter, we started getting more traffic on our shibboleth servers. However this morning something broke loose and I'm trying to figure
out what it is. These messages started up around 7:35<br>
<br>
2015-09-22 07:35:04,898 - WARN [org.ldaptive.AbstractOperation$ReopenOperationExceptionHandler:277] - [xxx.xxx.xx.xx] - Operation ex<br>
ception encountered, reopening connection<br>
2015-09-22 07:38:07,356 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<br>
2015-09-22 07:38:11,964 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<br>
2015-09-22 07:38:34,675 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<br>
2015-09-22 07:38:39,649 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<br>
2015-09-22 07:38:41,777 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<br>
2015-09-22 07:38:42,126 - ERROR [org.springframework.webflow.conversation.impl.LockTimeoutException:76] - [xxx.xxx.xx.x] -
<br>
org.springframework.webflow.conversation.impl.LockTimeoutException: Unable to acquire conversation lock after 30 seconds<br>
at org.springframework.webflow.conversation.impl.JdkConcurrentConversationLock.lock(JdkConcurrentConversationLock.java:44)<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">I saw from an earlier thread that this means that the db (ldap in this case) transaction is taking a long time to being hung. However this just started this morning and we are not using a DB, just
LDAP We didn't seem to have any ldap issues so I'm wondering what could cause something like this.<o:p></o:p></span></p>
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<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-family:"Courier New"">Jeffrey</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">Both pilots and IT professionals require training and currency before charging into clouds!</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">---------------------------------------</span><o:p></o:p></p>
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