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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://jira.qos.ch/browse/LOGBACK-1421" style="color: #3b73af; text-decoration: none">Re: Logback 1.2.3 threads getting deadlocked at CachingDateFormatter</a> </span> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin: 10px 0 0 0; margin-top: 0">I got into the same issue, all my threads are blocked, and this is my thread dump</p> <p style="margin: 10px 0 0 0">Thread 12258: (state = BLOCKED)</p>
<ul class="alternate" type="square">
<li>ch.qos.logback.core.util.CachingDateFormatter.format(long) @bci=3, line=45 (Compiled frame)</li>
<li>ch.qos.logback.classic.pattern.DateConverter.convert(ch.qos.logback.classic.spi.ILoggingEvent) @bci=12, line=61 (Compiled frame)</li>
<li>ch.qos.logback.classic.pattern.DateConverter.convert(java.lang.Object) @bci=5, line=23 (Compiled frame)</li>
<li>ch.qos.logback.core.pattern.FormattingConverter.write(java.lang.StringBuilder, java.lang.Object) @bci=2, line=36 (Compiled frame)</li>
<li>ch.qos.logback.core.pattern.PatternLayoutBase.writeLoopOnConverters(java.lang.Object) @bci=23, line=115 (Compiled frame)</li>
<li>ch.qos.logback.classic.PatternLayout.doLayout(ch.qos.logback.classic.spi.ILoggingEvent) @bci=12, line=141 (Compiled frame)</li>
<li>ch.qos.logback.classic.PatternLayout.doLayout(java.lang.Object) @bci=5, line=39 (Compiled frame)</li>
<li>ch.qos.logback.core.encoder.LayoutWrappingEncoder.encode(java.lang.Object) @bci=5, line=115 (Compiled frame)</li>
<li>ch.qos.logback.core.OutputStreamAppender.subAppend(java.lang.Object) @bci=29, line=230 (Compiled frame)</li>
<li>ch.qos.logback.core.rolling.RollingFileAppender.subAppend(java.lang.Object) @bci=40, line=235 (Compiled frame)</li>
<li>ch.qos.logback.core.OutputStreamAppender.append(java.lang.Object) @bci=10, line=102 (Compiled frame)</li>
<li>ch.qos.logback.core.UnsynchronizedAppenderBase.doAppend(java.lang.Object) @bci=123, line=84 (Compiled frame)</li>
<li>ch.qos.logback.core.spi.AppenderAttachableImpl.appendLoopOnAppenders(java.lang.Object) @bci=32, line=51 (Compiled frame)</li>
<li>ch.qos.logback.classic.Logger.appendLoopOnAppenders(ch.qos.logback.classic.spi.ILoggingEvent) @bci=12, line=270 (Compiled frame)</li>
<li>ch.qos.logback.classic.Logger.callAppenders(ch.qos.logback.classic.spi.ILoggingEvent) @bci=11, line=257 (Compiled frame)</li>
<li>ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(java.lang.String, org.slf4j.Marker, ch.qos.logback.classic.Level, java.lang.String, java.lang.Object[], java.lang.Throwable) @bci=27, line=421 (Compiled frame)</li>
<li>ch.qos.logback.classic.Logger.filterAndLog_1(java.lang.String, org.slf4j.Marker, ch.qos.logback.classic.Level, java.lang.String, java.lang.Object, java.lang.Throwable) @bci=64, line=398 (Compiled frame)</li>
<li>ch.qos.logback.classic.Logger.info(java.lang.String, java.lang.Object) @bci=11, line=583 (Compiled frame)</li>
<li>java.util.concurrent.Executors$RunnableAdapter.call() @bci=4, line=511 (Compiled frame)</li>
<li>java.util.concurrent.FutureTask.runAndReset() @bci=47, line=308 (Compiled frame)</li>
<li>java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask) @bci=1, line=180 (Compiled frame)</li>
<li>java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run() @bci=37, line=294 (Compiled frame)</li>
<li>java.util.concurrent.ThreadPoolExecutor.runWorker(java.util.concurrent.ThreadPoolExecutor$Worker) @bci=95, line=1149 (Compiled frame)</li>
<li>java.util.concurrent.ThreadPoolExecutor$Worker.run() @bci=5, line=624 (Compiled frame)</li>
<li>java.lang.Thread.run() @bci=11, line=748 (Compiled frame)</li>
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