log4j:ERROR setFile(null,true) call failed.
java.io.FileNotFoundException: /home/argonightly/.argouml/argouml.log (No such file or directory)
	at java.io.FileOutputStream.openAppend(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:177)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:102)
	at org.apache.log4j.FileAppender.setFile(FileAppender.java:272)
	at org.apache.log4j.RollingFileAppender.setFile(RollingFileAppender.java:156)
	at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:151)
	at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:247)
	at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:123)
	at org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:87)
	at org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:645)
	at org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:603)
	at org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:500)
	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:406)
	at org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:432)
	at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:460)
	at org.apache.log4j.LogManager.<clinit>(LogManager.java:145)
	at org.apache.log4j.Logger.getLogger(Logger.java:94)
	at org.argouml.notation.Notation.<clinit>(Notation.java:53)
	at org.argouml.notation.providers.TestNotation.testConfiguredNotation(TestNotation.java:46)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:585)
	at junit.framework.TestCase.runTest(TestCase.java:164)
	at junit.framework.TestCase.runBare(TestCase.java:130)
	at junit.framework.TestResult$1.protect(TestResult.java:106)
	at junit.framework.TestResult.runProtected(TestResult.java:124)
	at junit.framework.TestResult.run(TestResult.java:109)
	at junit.framework.TestCase.run(TestCase.java:120)
	at junit.framework.TestSuite.runTest(TestSuite.java:230)
	at junit.framework.TestSuite.run(TestSuite.java:225)
	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:297)
	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:672)
	at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:567)