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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="http://jira.qos.ch/browse/LOGBACK" style="color: #3b73af; text-decoration: none">logback</a> / <a href="http://jira.qos.ch/browse/LOGBACK-1125" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-improvement-11a014ee-ca60-47cf-a192-ef3373c467e2" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom" /></a> <a href="http://jira.qos.ch/browse/LOGBACK-1125" style="color: #3b73af; text-decoration: none">LOGBACK-1125</a>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-improvement-11a014ee-ca60-47cf-a192-ef3373c467e2" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom" /> Improvement
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Affects Versions:
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1.1.3
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Assignee:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="logback-dev@qos.ch" id="email_logback-dev@qos.ch" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=logback-dev%40qos.ch" style="color:#3b73af;; color: #3b73af; text-decoration: none">Logback dev list</a>
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Components:
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logback-core
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Created:
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29/Jan/16 9:47 AM
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Environment:
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logback-core
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Janino library
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OSGi environment
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Priority:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-trivial-7d7ac1d5-cefe-4e26-8147-d2c0bd1a3535" height="16" width="16" border="0" align="absmiddle" alt="Trivial" style="vertical-align: text-bottom" /> Trivial
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="zaunerc" id="email_zaunerc" href="http://jira.qos.ch/secure/ViewProfile.jspa?name=zaunerc" style="color:#3b73af;; color: #3b73af; text-decoration: none">Christoph Zauner</a>
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<h1 style="margin: 10px 0 0 0; font-size: 24px; font-weight: normal; line-height: 1.250; margin: 40px 0 0 0"><a name="Problem" style="color: #3b73af; text-decoration: none"></a>Problem</h1>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">As stated in the Logback documentation conditional processing in configuration files requires the Janino library. When running in an OSGi environment (e.g. an Eclipse RCP application) simply placing commons-compiler.jar and janino.jar on your application's class path is not sufficient enough. You will get the following exception:</p>
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<...>
12:50:47,754 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT logger to DEBUG
12:50:47,755 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [stdout] to Logger[ROOT]
12:50:47,755 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [file] to Logger[ROOT]
12:50:47,810 |-ERROR in ch.qos.logback.core.joran.conditional.IfAction -
Failed to parse condition [property(<span class="code-quote" style="color: #009100">"instance"</span>).equals(<span class="code-quote" style="color: #009100">"PRODUCTION_ENV"</span>)] org.codehaus.janino.JaninoRuntimeException:
Cannot load class 'ch.qos.logback.core.joran.conditional.PropertyWrapperForScripts' through the parent loader
at org.codehaus.janino.JaninoRuntimeException
<...>
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<h1 style="margin: 10px 0 0 0; font-size: 24px; font-weight: normal; line-height: 1.250; margin: 40px 0 0 0"><a name="Proposedsolution" style="color: #3b73af; text-decoration: none"></a>Proposed solution</h1>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The org.codehaus.janino bundle needs a Require-Bundle: ch.qos.logback.core directive in it's manifest file in order for the bundle class loader to be able to load classes from the ch.qos.logback.core bundle. This can be achieved by extending the org.codehaus.janino bundle via a fragment (ch.qos.logback.contrib.logback-janino-fragment).</p>
<h1 style="margin: 10px 0 0 0; font-size: 24px; font-weight: normal; line-height: 1.250; margin: 40px 0 0 0"><a name="GitHubPR" style="color: #3b73af; text-decoration: none"></a>GitHub PR</h1>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><a href="https://github.com/qos-ch/logback-contrib/pull/11" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">Link to pull request</a> on GitHub implementing this solution.</p>
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