diff --git a/build.gradle b/build.gradle
index cca8011..90cbe6f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,7 +27,6 @@ ext {
 }
 
 subprojects {
-    apply from: rootProject.file('gradle/ide/idea.gradle')
     apply from: rootProject.file('gradle/repositories/maven.gradle')
     apply from: rootProject.file('gradle/compile/java.gradle')
     apply from: rootProject.file('gradle/test/junit5.gradle')
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index d64cd49..e644113 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e6aba25..b82aa23 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew.bat b/gradlew.bat
index 6689b85..7101f8e 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
diff --git a/net-path/src/main/java/org/xbib/net/path/structure/PathMatcher.java b/net-path/src/main/java/org/xbib/net/path/structure/PathMatcher.java
index 89ab3a1..903086f 100644
--- a/net-path/src/main/java/org/xbib/net/path/structure/PathMatcher.java
+++ b/net-path/src/main/java/org/xbib/net/path/structure/PathMatcher.java
@@ -33,6 +33,7 @@ public class PathMatcher extends Path {
                 Parameter.builder().domain(Parameter.Domain.PATH).enableSort());
     }
 
+    @SuppressWarnings("this-scapes")
     public PathMatcher(String pathSpec,
                        String pathSeparator,
                        boolean trimTokens,
diff --git a/net/src/main/java/org/xbib/net/SecurityRealm.java b/net/src/main/java/org/xbib/net/SecurityRealm.java
index 8408dbb..e097f0d 100644
--- a/net/src/main/java/org/xbib/net/SecurityRealm.java
+++ b/net/src/main/java/org/xbib/net/SecurityRealm.java
@@ -1,21 +1,15 @@
 package org.xbib.net;
 
-public abstract class SecurityRealm {
+public interface SecurityRealm {
 
-    public SecurityRealm() {
-    }
+    String getName();
 
-    /**
-     * @return unique name of this realm, e.g. "ldap"
-     */
-    public abstract  String getName();
+    void init();
 
-    /**
-     * Invoked during server startup and can be used to initialize internal state.
-     */
-    public void init() {
-    }
+    Authenticator getAuthenticator();
 
-    public abstract Authenticator getAuthenticator();
+    UsersProvider getUsersProvider();
+
+    GroupsProvider getGroupsProvider();
 
 }