diff --git a/os-test-app/src/main/java/ru/ulstu/is/sbapp/configuration/PasswordEncoderConfiguration.java b/os-test-app/src/main/java/ru/ulstu/is/sbapp/configuration/PasswordEncoderConfiguration.java
new file mode 100644
index 0000000..fadfa18
--- /dev/null
+++ b/os-test-app/src/main/java/ru/ulstu/is/sbapp/configuration/PasswordEncoderConfiguration.java
@@ -0,0 +1,14 @@
+package ru.ulstu.is.sbapp.configuration;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.security.crypto.password.PasswordEncoder;
+
+@Configuration
+public class PasswordEncoderConfiguration {
+    @Bean
+    public PasswordEncoder createPasswordEncoder() {
+        return new BCryptPasswordEncoder();
+    }
+}
diff --git a/os-test-app/src/main/java/ru/ulstu/is/sbapp/speaker/configuration/SpeakerConfiguration.java b/os-test-app/src/main/java/ru/ulstu/is/sbapp/speaker/configuration/SpeakerConfiguration.java
new file mode 100644
index 0000000..ee9502a
--- /dev/null
+++ b/os-test-app/src/main/java/ru/ulstu/is/sbapp/speaker/configuration/SpeakerConfiguration.java
@@ -0,0 +1,26 @@
+package ru.ulstu.is.sbapp.speaker.configuration;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import ru.ulstu.is.sbapp.speaker.domain.Speaker;
+import ru.ulstu.is.sbapp.speaker.domain.SpeakerEng;
+import ru.ulstu.is.sbapp.speaker.domain.SpeakerRus;
+
+@Configuration
+public class SpeakerConfiguration {
+    private final Logger log = LoggerFactory.getLogger(SpeakerConfiguration.class);
+
+    @Bean(value = "ru", initMethod = "init", destroyMethod = "destroy")
+    public SpeakerRus createRusSpeaker() {
+        log.info("Call createRusSpeaker()");
+        return new SpeakerRus();
+    }
+
+    @Bean(value = "en")
+    public Speaker createEngSpeaker() {
+        log.info("Call createEngSpeaker()");
+        return new SpeakerEng();
+    }
+}
diff --git a/os-test-app/src/main/java/ru/ulstu/is/sbapp/student/service/StudentNotFoundException.java b/os-test-app/src/main/java/ru/ulstu/is/sbapp/student/service/StudentNotFoundException.java
new file mode 100644
index 0000000..94696dc
--- /dev/null
+++ b/os-test-app/src/main/java/ru/ulstu/is/sbapp/student/service/StudentNotFoundException.java
@@ -0,0 +1,7 @@
+package ru.ulstu.is.sbapp.student.service;
+
+public class StudentNotFoundException extends RuntimeException {
+    public StudentNotFoundException(Long id) {
+        super(String.format("Student with id [%s] is not found", id));
+    }
+}