JBoss Developer Studio throws FileNotFoundException only executing a project in the debug mode

Solution Verified - Updated -

Issue

On JBoss Developer Studio, user comments out the try catch block in the generated Drools sample project, and run it with Debug mode.
Then FileNotFoundException occurs

Thread [main] (Suspended (exception FileNotFoundException))        
        URLClassPath$JarLoader.getJarFile(URL) line: 726        
        URLClassPath$JarLoader.access$600(URLClassPath$JarLoader, URL) line: 591        
        URLClassPath$JarLoader$1.run() line: 673        
        URLClassPath$JarLoader$1.run() line: 666        
        AccessController.doPrivileged(PrivilegedExceptionAction<T>) line: not available [native method]        
        URLClassPath$JarLoader.ensureOpen() line: 665        
        URLClassPath$JarLoader.<init>(URL, URLStreamHandler, HashMap<String,Loader>) line: 638        
        URLClassPath$JarLoader$3.run() line: 892        
        URLClassPath$JarLoader$3.run() line: 890        
        AccessController.doPrivileged(PrivilegedExceptionAction<T>) line: not available [native method]        
        URLClassPath$JarLoader.getResource(String, boolean, Set<String>) line: 889        
        URLClassPath$JarLoader.getResource(String, boolean) line: 848        
        URLClassPath$JarLoader.findResource(String, boolean) line: 818        
        URLClassPath$1.next() line: 226        
        URLClassPath$1.hasMoreElements() line: 236        

        URLClassLoader$3$1.run() line: 583        
        URLClassLoader$3$1.run() line: 581        
        AccessController.doPrivileged(PrivilegedAction<T>, AccessControlContext) line: not available [native method]        
        URLClassLoader$3.next() line: 580        
        URLClassLoader$3.hasMoreElements() line: 605        
        CompoundEnumeration<E>.next() line: 45        
        CompoundEnumeration<E>.hasMoreElements() line: 54        
        CompoundEnumeration<E>.next() line: 45        
        CompoundEnumeration<E>.hasMoreElements() line: 54        
        ChainedProperties.loadProperties(Enumeration<URL>, List<Properties>, ClassLoader) line: 309        
        ChainedProperties.<init>(String, ClassLoader, boolean) line: 116        
        ChainedProperties.<init>(String, ClassLoader) line: 78        
        SessionConfiguration.init(Properties, ClassLoader...) line: 162        
        SessionConfiguration.<init>() line: 148        
        KnowledgeBaseFactoryServiceImpl.newKnowledgeSessionConfiguration() line: 41        
        KnowledgeBaseFactory.newKnowledgeSessionConfiguration() line: 135        
        KieContainerImpl.getKnowledgeSessionConfiguration(KieSessionModelImpl) line: 627        
        KieContainerImpl.newKieSession(String, Environment, KieSessionConfiguration) line: 572        
        KieContainerImpl.newKieSession(String) line: 538        
        DroolsTest.main(String[]) line: 17        

Environment

  • Red Hat JBoss BRMS
    • 6.0.x
  • Red Hat JBoss Developer Studio
       - 8.1.0

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