diff --git a/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt b/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
index 95f72fc..c0e8eed 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/ExerciesController.kt
@@ -6,10 +6,19 @@ import org.springframework.http.ResponseEntity
 import org.springframework.web.bind.annotation.*
 import javax.validation.Valid
 
+@RestController
+@RequestMapping("/api")
 class ExerciesController(private val exercisesRepository: ExercisesRepository) {
 
+    @GetMapping("/exercises/{id}")
+    fun getExerciseById(@PathVariable(value = "id") exerciseId: Long): ResponseEntity<Exercises> {
+        return exercisesRepository.findById(exerciseId).map { exercise ->
+            ResponseEntity.ok(exercise)
+        }.orElse(ResponseEntity.notFound().build())
+    }
+
     @GetMapping("/exercises/customer/{id}")
-    fun getAllExersicesByCustomerId(customerId: Long): List<Exercises> =
+    fun getAllExersicesByCustomerId(@PathVariable( value = "id" ) customerId: Long? ): List<Exercises> =
             exercisesRepository.getAllByCustomerId(customerId)
 
     @PostMapping("/exercises")
diff --git a/src/main/kotlin/com/aitrainer/api/repository/ExercisesRepository.kt b/src/main/kotlin/com/aitrainer/api/repository/ExercisesRepository.kt
index d077144..05f7426 100644
--- a/src/main/kotlin/com/aitrainer/api/repository/ExercisesRepository.kt
+++ b/src/main/kotlin/com/aitrainer/api/repository/ExercisesRepository.kt
@@ -6,5 +6,5 @@ import org.springframework.stereotype.Repository
 
 @Repository
 interface ExercisesRepository : JpaRepository<Exercises, Long> {
-    fun getAllByCustomerId( customerId: Long ):List<Exercises>
+    fun getAllByCustomerId( customerId: Long? ):List<Exercises>
 }
\ No newline at end of file
diff --git a/src/main/kotlin/com/aitrainer/api/service/ExerciseService.kt b/src/main/kotlin/com/aitrainer/api/service/ExerciseService.kt
index 0b951ef..e505bc3 100644
--- a/src/main/kotlin/com/aitrainer/api/service/ExerciseService.kt
+++ b/src/main/kotlin/com/aitrainer/api/service/ExerciseService.kt
@@ -5,6 +5,6 @@ import org.springframework.data.jpa.repository.Query
 import org.springframework.data.repository.query.Param
 
 interface ExerciseService {
-    @Query("FROM Exercises WHERE customer_id = :customerId")
-    fun findAllByCustomerId( @Param("customerId") customerId: Long): List<Exercises>
+    @Query("FROM exercises WHERE customer_id = :customerId")
+    fun findAllByCustomerId( @Param("customerId") customerId: Long? ): List<Exercises>
 }
\ No newline at end of file
diff --git a/src/test/kotlin/com/aitrainer/api/test/AitrainerDBTest.kt b/src/test/kotlin/com/aitrainer/api/test/AitrainerDBTest.kt
index e7bdfe5..a8a6c72 100644
--- a/src/test/kotlin/com/aitrainer/api/test/AitrainerDBTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/AitrainerDBTest.kt
@@ -22,9 +22,9 @@ class AitrainerDBTest(configuration: ApplicationConfiguration) {
         this.username = this.conf.username.orEmpty()
         this.password = this.conf.password.orEmpty()
         this.datasourceUrl = this.conf.url.orEmpty()
-        assertTrue ("username should not be empty", { this.username.isNotEmpty() })
-        assertTrue ("password should not be empty", { this.password.isNotEmpty() })
-        assertTrue ("url should not be empty", { this.datasourceUrl.isNotEmpty() })
+        assertTrue ("username should not be empty") { this.username.isNotEmpty() }
+        assertTrue ("password should not be empty") { this.password.isNotEmpty() }
+        assertTrue ("url should not be empty") { this.datasourceUrl.isNotEmpty() }
 
         this.getConnection()
 
diff --git a/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt b/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
index 7dac582..c9cd308 100644
--- a/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
@@ -12,6 +12,7 @@ class ExerciseTypeTest {
 
     @Autowired
     private lateinit var exerciseTypeRepository: ExerciseTypeRepository
+    private var insertedId: Long = 0
 
     @Test
     fun testGet() {
@@ -24,7 +25,7 @@ class ExerciseTypeTest {
         val savedEx: ExerciseType = exerciseTypeRepository.save(newEx)
         assertEquals(savedEx.name, "Húzodszkodás")
 
-        val insertedId: Long = savedEx.exerciseTypeId
+        this.insertedId = savedEx.exerciseTypeId
 
         val extype: ExerciseType = exerciseTypeRepository.findById( savedEx.exerciseTypeId ).orElse(null)
         assertEquals( extype.name, "Húzodszkodás")