ERROR FileManager (output.log) java.io.FileNotFoundException: output.log (Access is denied)

[alanboy]

2016-07-21 11:25:59,755 ERROR FileManager (output.log) java.io.FileNotFoundException: output.log (Access is denied)
2016-07-21 11:25:59,756 ERROR catching java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:133)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:744)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:683)
at org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:675)
at org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:349)
at org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:150)
at org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:364)
at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:422)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:146)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:85)
at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:37)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:474)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:409)
at TrelloCmd.main(TrelloCmd.java:69)
Caused by: java.lang.IllegalStateException: Unable to create a manager
at org.apache.logging.log4j.core.appender.AbstractManager.getManager(AbstractManager.java:73)
at org.apache.logging.log4j.core.appender.OutputStreamManager.getManager(OutputStreamManager.java:60)
at org.apache.logging.log4j.core.appender.FileManager.getFileManager(FileManager.java:73)
at org.apache.logging.log4j.core.appender.FileAppender.createAppender(FileAppender.java:146)
... 18 more

2016-07-21 11:25:59,758 ERROR Unable to invoke factory method in class class org.apache.logging.log4j.core.appender.FileAppender for element File.
2016-07-21 11:25:59,760 ERROR Null object returned for File in Appenders.
2016-07-21 11:25:59,762 ERROR Unable to locate appender File1 for logger

[alanboy]

sometimes, when running the jar from outside the program files dir

[alanboy]

just hit this again when running from run window: (Win+R)