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| <pre>public final class <a href="../../../../../src-html/org/apache/logging/log4j/util/Constants.html#line.24">Constants</a> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Log4j API Constants.</div> |
| <dl><dt><span class="strong">Since:</span></dt> |
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| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/logging/log4j/util/Constants.html#ENABLE_THREADLOCALS">ENABLE_THREADLOCALS</a></strong></code> |
| <div class="block">Kill switch for object pooling in ThreadLocals that enables much of the LOG4J2-1270 no-GC behaviour.</div> |
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| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/logging/log4j/util/Constants.html#IS_WEB_APP">IS_WEB_APP</a></strong></code> |
| <div class="block"><code>true</code> if we think we are running in a web container, based on the boolean value of system property |
| "log4j2.is.webapp", or (if this system property is not set) whether the <code>javax.servlet.Servlet</code> class |
| is present in the classpath.</div> |
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| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../../org/apache/logging/log4j/util/Constants.html#JAVA_MAJOR_VERSION">JAVA_MAJOR_VERSION</a></strong></code> </td> |
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| <div class="block"><code>true</code> if we think we are running in a web container, based on the boolean value of system property |
| "log4j2.is.webapp", or (if this system property is not set) whether the <code>javax.servlet.Servlet</code> class |
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| <div class="block">Kill switch for object pooling in ThreadLocals that enables much of the LOG4J2-1270 no-GC behaviour. |
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| <code>True</code> for non-<a href="../../../../../org/apache/logging/log4j/util/Constants.html#IS_WEB_APP"><code>web apps</code></a>, disable by setting system property |
| "log4j2.enable.threadlocals" to "false". |
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