Fixing Authentication Problems

src/main/java/at/ac/uibk/gitsearch/config/SecurityConfiguration.java

@@ -159,6 +159,7 @@ public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
             .antMatchers("/api/applicationInfo/**").permitAll() // everybody may retrieve deployment infos
             .antMatchers("/api/authenticate").permitAll()
             .antMatchers("/api/exercise/**").permitAll()
+            .antMatchers("/api/exerciseFile/**").permitAll()
             .antMatchers("/api/refreshToken").permitAll()
             .antMatchers("/api/register").denyAll()
             .antMatchers("/api/activate").permitAll()

src/test/java/at/ac/uibk/gitsearch/repository/search/testESService/ElasticSearchTestServerConfiguration.java

@@ -9,7 +9,6 @@ import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
-import java.nio.file.Path;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collection;