<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
<tr valign="top">
<td id="email-page" style="padding:16px !important;">
<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
<tr valign="top">
<td bgcolor="#003366" style="background-color:#003366;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="http://jira.qos.ch/s/en_USb9v8hf-418945332/850/27/_/jira-logo-scaled.png" alt="" style="vertical-align:top;" /></td>
</tr><tr valign="top">
<td id="email-banner" style="padding:32px 32px 0 32px;">
<table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="http://jira.qos.ch/secure/useravatar?avatarId=10122" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="aakash" id="email_aakash" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=aakash" style="color:#326ca6;">Aakash Lodha</a>
created <img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/SLF4J-331'>SLF4J-331</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#326ca6;text-decoration:none;' href='http://jira.qos.ch/browse/SLF4J-331'><strong>Thread getting blocked : Blocked trying to get lock: org.apache.log4j.spi.RootLogger@21cb1369[not locked]</strong></a>
</div>
</td>
</tr>
</table>
</td>
</tr>
<tr valign="top">
<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
<tr valign="top">
<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
<td>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="http://jira.qos.ch/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
1.6.x </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="slf4j-dev@qos.ch" id="email_slf4j-dev@qos.ch" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=slf4j-dev%40qos.ch" style="color:#326ca6;">SLF4J developers list</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Components:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
jcl-over-slf4j, log4j-over-slf4j </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
17/Aug/15 10:39 AM
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>We are using slf4j version 1.6.1 and one of the thread related log4j is getting stuck.We are facing a major delay issue due this thread block.Could you please help us to resolve this issue. Below are the thread dumps we have collected for this:</p>
<p style='margin-top:0;margin-bottom:10px;'>=======================================================================<br/>
####<Jul 21, 2015 9:23:58 AM IST> <Error> <WebLogicServer> <aukpczbr.dc-dublin.de> <aukpczbr_p2> <<span class="error">[STANDBY]</span> ExecuteThread: '11' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1437467038600> <BEA-000337> <<span class="error">[STUCK]</span> ExecuteThread: '16' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "652" seconds working on the request "weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl@58887aee", which is more than the configured time (StuckThreadMaxTime) of "600" seconds. Stack trace:<br/>
Thread-3471 "<span class="error">[STUCK]</span> ExecuteThread: '16' for queue: 'weblogic.kernel.Default (self-tuning)'" <alive, suspended, blocked, priority=1, DAEMON> </p>
{
-- Blocked trying to get lock: org.apache.log4j.spi.RootLogger@21cb1369[not locked]
org.apache.log4j.Category.callAppenders(Category.java:204)
org.apache.log4j.Category.forcedLog(Category.java:391)
org.apache.log4j.Category.log(Category.java:856)
org.slf4j.impl.Log4jLoggerAdapter.error(Log4jLoggerAdapter.java:541)
com.vodafone.pciadaptor.core.emis.HttpConnectionProbe.onRun(HttpConnectionProbe.java:105)
com.vodafone.pciadaptor.core.scheduling.AbstractScheduledTask.run(AbstractScheduledTask.java:42)
org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:51)
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317)
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150)
org.springframework.scheduling.commonj.TimerManagerTaskScheduler$TimerScheduledFuture.timerExpired(TimerManagerTaskScheduler.java:112)
org.springframework.scheduling.commonj.TimerManagerTaskScheduler$ReschedulingTimerListener.timerExpired(TimerManagerTaskScheduler.java:165)
weblogic.timers.internal.commonj.ListenerWrap.timerExpired(ListenerWrap.java:37)
weblogic.timers.internal.TimerImpl.run(TimerImpl.java:273)
weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528)
weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
}
<p style='margin-top:0;margin-bottom:10px;'>> </p>
</td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a style="color:#326ca6;" href="http://jira.qos.ch/browse/SLF4J">SLF4J</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="http://jira.qos.ch/images/icons/priorities/blocker.png" height="16" width="16" border="0" align="absmiddle" alt="Blocker"> Blocker
</td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="aakash" id="email_aakash" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=aakash" style="color:#326ca6;">Aakash Lodha</a>
</td>
</tr> </table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</td><!-- End #email-page -->
</tr>
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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</td>
</tr>
</table><!-- End #email-wrap -->
</div><!-- End #email-body -->