[DLAB-298]: changed error message for java
diff --git a/services/self-service/src/main/java/com/epam/dlab/backendapi/service/impl/MavenCentralLibraryService.java b/services/self-service/src/main/java/com/epam/dlab/backendapi/service/impl/MavenCentralLibraryService.java
index b7cbce8..f95eb47 100644
--- a/services/self-service/src/main/java/com/epam/dlab/backendapi/service/impl/MavenCentralLibraryService.java
+++ b/services/self-service/src/main/java/com/epam/dlab/backendapi/service/impl/MavenCentralLibraryService.java
@@ -41,7 +41,7 @@
 
 	private static final String QUOTE_ENCODED = "%22";
 	private static final String SEARCH_API_QUERY_FORMAT = "/solrsearch/select?q=%s&rows=20&wt=json&core=gav&p=jar";
-	private static final String LIB_NOT_FOUND_MSG = "Artifact with id=%s, groupId=%s and version %s not found";
+	private static final String LIB_NOT_FOUND_MSG = "No matches found";
 	private final RESTService restClient;
 
 	@Inject
diff --git a/services/self-service/src/main/java/com/epam/dlab/backendapi/validation/annotation/LibNameValid.java b/services/self-service/src/main/java/com/epam/dlab/backendapi/validation/annotation/LibNameValid.java
index 1e8be9b..fb10ed2 100644
--- a/services/self-service/src/main/java/com/epam/dlab/backendapi/validation/annotation/LibNameValid.java
+++ b/services/self-service/src/main/java/com/epam/dlab/backendapi/validation/annotation/LibNameValid.java
@@ -34,8 +34,7 @@
 public @interface LibNameValid {
 
 
-	String message() default "Wrong library name format. Should be <groupId>:<artifactId>:<versionId>. E.g. io" +
-			".dropwizard:dropwizard-core:1.3.5";
+	String message() default "Wrong library name format. Should be <groupId>:<artifactId>:<versionId>";
 
 	Class<?>[] groups() default {};
 
diff --git a/services/self-service/src/test/java/com/epam/dlab/backendapi/resources/LibExploratoryResourceTest.java b/services/self-service/src/test/java/com/epam/dlab/backendapi/resources/LibExploratoryResourceTest.java
index e0c7ed4..321693d 100644
--- a/services/self-service/src/test/java/com/epam/dlab/backendapi/resources/LibExploratoryResourceTest.java
+++ b/services/self-service/src/test/java/com/epam/dlab/backendapi/resources/LibExploratoryResourceTest.java
@@ -441,8 +441,8 @@
 		assertEquals(HttpStatus.SC_BAD_REQUEST, response.getStatus());
 		assertEquals(MediaType.APPLICATION_JSON, response.getHeaderString(HttpHeaders.CONTENT_TYPE));
 
-		assertEquals("{\"errors\":[\"query param artifact Wrong library name format. Should be " +
-						"<groupId>:<artifactId>:<versionId>. E.g. io.dropwizard:dropwizard-core:1.3.5\"]}",
+		assertEquals("{\"errors\":[\"Wrong library name format. Should be " +
+						"<groupId>:<artifactId>:<versionId>\"]}",
 				response.readEntity(String.class));
 
 		verifyZeroInteractions(externalLibraryService);