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java.lang.IllegalStateException: ManagerFactory [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$RollingFileManagerFactory@15bdc6b] unable to create manager for [C:\\Users\\username\\AppData\\Local\\Temp\\/my_client.log] with data [org.apache.logging.log4j.core.appender.rolling.RollingFileManager$FactoryData@dbdcaae[pattern=C:\\Users\\username\\AppData\\Local\\Temp\\/my_client-%d{yyyy-MM-dd}-%i.log, append=false, bufferedIO=true, bufferSize=8192, policy=CompositeTriggeringPolicy(policies=[SizeBasedTriggeringPolicy(size=20971520)]), strategy=DefaultRolloverStrategy(min=1, max=1), advertiseURI=null, layout=%d{yyy-MM-dd HH:mm:ss.SSS} %-5level %logger{36}::%M - %msg%n]]	at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:75)	at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:81)	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.getFileManager(RollingFileManager.java:98)	at org.apache.logging.log4j.core.appender.RollingFileAppender.createAppender(RollingFileAppender.java:191)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:132)	at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:918)	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:858)	at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:850)	at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:479)	at org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:219)	at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:231)	at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:491)	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:561)	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:577)	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:212)	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:152)	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:551)	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:537)	at my_client.ui.MainApp.(MainApp.java:40)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	at java.lang.reflect.Constructor.newInstance(Unknown Source)	at java.lang.Class.newInstance(Unknown Source)	at com.sun.javafx.applet.FXApplet2$1.call(FXApplet2.java:67)	at com.sun.deploy.uitoolkit.impl.fx.FXPluginToolkit$Caller.run(FXPluginToolkit.java:347)	at com.sun.javafx.application.PlatformImpl.lambda$null$173(PlatformImpl.java:295)	at java.security.AccessController.doPrivileged(Native Method)	at com.sun.javafx.application.PlatformImpl.lambda$runLater$174(PlatformImpl.java:294)	at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)	at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)	at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)	at java.lang.Thread.run(Unknown Source)