modules/interface-java/src/main/java/org/apache/tuscany/sca/interfacedef/java/impl/JavaIntrospectionHelper.java [134:177]:
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    private static Set<Field> getInjectableFields(Class<?> clazz, Set<Field> fields, boolean validating) {
        if (clazz == null || clazz.isArray() || Object.class.equals(clazz)) {
            return fields;
        }

        fields = getInjectableFields(clazz.getSuperclass(), fields, validating);

        Field[] declaredFields = null;

        try {
        	declaredFields = clazz.getDeclaredFields();
        } catch(Throwable t) {
        	//TUSCANY-3667 - clazz.getDeclaredFields might fail in GAE environment (log and ignore)
        	logger.log(Level.WARNING, "Error retrieving declared fields from class : " + t.getMessage());
        }

        if( declaredFields != null ) {
            for (final Field field : declaredFields) {
                int modifiers = field.getModifiers();
                // The field should be non-final and non-static
                if (!Modifier.isStatic(modifiers)
                    // && !Modifier.isFinal(modifiers)
                    ) {

                    // Allow privileged access to set accessibility. Requires ReflectPermission
                    // in security policy.
                    AccessController.doPrivileged(new PrivilegedAction<Object>() {
                        public Object run() {
                            field.setAccessible(true); // ignore Java accessibility
                            return null;
                        }
                    });
                    fields.add(field);
                } else {
                    if (validating) {
                        checkInvalidAnnotations(field);
                    }
                }
            }
        }


        return fields;
    }
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modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/introspect/JavaIntrospectionHelper.java [134:177]:
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    private static Set<Field> getInjectableFields(Class<?> clazz, Set<Field> fields, boolean validating) {
        if (clazz == null || clazz.isArray() || Object.class.equals(clazz)) {
            return fields;
        }

        fields = getInjectableFields(clazz.getSuperclass(), fields, validating);

        Field[] declaredFields = null;

        try {
        	declaredFields = clazz.getDeclaredFields();
        } catch(Throwable t) {
        	//TUSCANY-3667 - clazz.getDeclaredFields might fail in GAE environment (log and ignore)
        	logger.log(Level.WARNING, "Error retrieving declared fields from class : " + t.getMessage());
        }

        if( declaredFields != null ) {
            for (final Field field : declaredFields) {
                int modifiers = field.getModifiers();
                // The field should be non-final and non-static
                if (!Modifier.isStatic(modifiers)
                    // && !Modifier.isFinal(modifiers)
                    ) {

                    // Allow privileged access to set accessibility. Requires ReflectPermission
                    // in security policy.
                    AccessController.doPrivileged(new PrivilegedAction<Object>() {
                        public Object run() {
                            field.setAccessible(true); // ignore Java accessibility
                            return null;
                        }
                    });
                    fields.add(field);
                } else {
                    if (validating) {
                        checkInvalidAnnotations(field);
                    }
                }
            }
        }


        return fields;
    }
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