diff --git a/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java b/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
index 341c4d0..ef9db77 100644
--- a/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
+++ b/full/src/main/java/de/ids_mannheim/korap/authentication/APIAuthentication.java
@@ -20,8 +20,6 @@
 import de.ids_mannheim.korap.exceptions.StatusCodes;
 import de.ids_mannheim.korap.security.context.TokenContext;
 import de.ids_mannheim.korap.user.User;
-import net.sf.ehcache.Cache;
-import net.sf.ehcache.CacheManager;
 
 /**
  * Authentication provider using JWT tokens
diff --git a/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java b/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
index 410a58a..f16acbf 100644
--- a/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
+++ b/full/src/main/java/de/ids_mannheim/korap/config/NamedVCLoader.java
@@ -7,8 +7,6 @@
 import java.util.Arrays;
 import java.util.zip.GZIPInputStream;
 
-import javax.management.RuntimeErrorException;
-
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.io.output.ByteArrayOutputStream;
@@ -61,7 +59,7 @@
         }
         catch (IOException | QueryException e) {
 //            e.printStackTrace();
-            throw new RuntimeErrorException(new Error(e.getMessage(), e.getCause()));
+            throw new RuntimeException(e.getMessage(), e.getCause());
         }
     }
     
diff --git a/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java b/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
index b31c643..23d2fa4 100644
--- a/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
+++ b/full/src/main/java/de/ids_mannheim/korap/security/context/TokenContext.java
@@ -2,7 +2,6 @@
 
 import java.io.Serializable;
 import java.time.ZonedDateTime;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -16,7 +15,6 @@
 import de.ids_mannheim.korap.utils.TimeUtils;
 import lombok.AccessLevel;
 import lombok.Data;
-import lombok.Getter;
 import lombok.Setter;
 
 /**
diff --git a/full/src/main/resources/basic-config.xml b/full/src/main/resources/basic-config.xml
index 2ba0d1a..87cb8f7 100644
--- a/full/src/main/resources/basic-config.xml
+++ b/full/src/main/resources/basic-config.xml
@@ -333,7 +333,7 @@
 		<constructor-arg index="0" value="${mail.username}" />
 		<constructor-arg index="1" value="${mail.password}" />
 	</bean>
-	<bean id="smtpSession" class="javax.mail.Session" factory-method="getInstance">
+	<bean id="smtpSession" class="jakarta.mail.Session" factory-method="getInstance">
 		<constructor-arg index="0">
 			<props>
 				<prop key="mail.smtp.submitter">${mail.username}</prop>
diff --git a/full/src/test/java/de/ids_mannheim/korap/authentication/RandomCodeGeneratorTest.java b/full/src/test/java/de/ids_mannheim/korap/authentication/RandomCodeGeneratorTest.java
index 952f804..0f0c012 100644
--- a/full/src/test/java/de/ids_mannheim/korap/authentication/RandomCodeGeneratorTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/authentication/RandomCodeGeneratorTest.java
@@ -4,8 +4,6 @@
 
 import java.security.NoSuchAlgorithmException;
 
-import org.apache.oltu.oauth2.as.issuer.MD5Generator;
-import org.apache.oltu.oauth2.common.exception.OAuthSystemException;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -28,7 +26,7 @@
     }
 
     @Ignore
-    public void testRandomGeneratorPerformance () throws OAuthSystemException,
+    public void testRandomGeneratorPerformance () throws 
             NoSuchAlgorithmException, KustvaktException {
         long min = Integer.MAX_VALUE, max = Integer.MIN_VALUE;
 
@@ -49,14 +47,4 @@
 
         }
     }
-
-    @Ignore
-    public void testMD5Generator () throws OAuthSystemException,
-            NoSuchAlgorithmException, KustvaktException {
-        MD5Generator m = new MD5Generator();
-        String value = m.generateValue();
-        value = m.generateValue(value);
-        System.out.println(value);
-    }
-
 }
diff --git a/full/src/test/java/de/ids_mannheim/korap/misc/LocalQueryTest.java b/full/src/test/java/de/ids_mannheim/korap/misc/LocalQueryTest.java
index ab5039e..ecf00c2 100644
--- a/full/src/test/java/de/ids_mannheim/korap/misc/LocalQueryTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/misc/LocalQueryTest.java
@@ -3,7 +3,7 @@
 
 import java.io.IOException;
 
-import javax.annotation.PostConstruct;
+import jakarta.annotation.PostConstruct;
 
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/full/src/test/java/de/ids_mannheim/korap/web/SearchKrillTest.java b/full/src/test/java/de/ids_mannheim/korap/web/SearchKrillTest.java
index ec5561b..c9acc30 100644
--- a/full/src/test/java/de/ids_mannheim/korap/web/SearchKrillTest.java
+++ b/full/src/test/java/de/ids_mannheim/korap/web/SearchKrillTest.java
@@ -4,7 +4,7 @@
 import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 
-import javax.annotation.PostConstruct;
+import jakarta.annotation.PostConstruct;
 
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/full/src/test/resources/test-config-icc.xml b/full/src/test/resources/test-config-icc.xml
index fed99a6..383f378 100644
--- a/full/src/test/resources/test-config-icc.xml
+++ b/full/src/test/resources/test-config-icc.xml
@@ -44,14 +44,15 @@
 			</array>
 		</property>
 	</bean>
-
+	
+	<!-- 
 	<bean id='cacheManager' class='org.springframework.cache.ehcache.EhCacheCacheManager'
 		p:cacheManager-ref='ehcache' />
 
 	<bean id='ehcache'
 		class='org.springframework.cache.ehcache.EhCacheManagerFactoryBean'
 		p:configLocation='classpath:ehcache.xml' p:shared='true' />
-
+ 	-->
 	<bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"
 		lazy-init="true">
 		<!-- <property name="driverClassName" value="${jdbc.driverClassName}" /> -->
@@ -296,7 +297,7 @@
 		<constructor-arg index="0" value="${mail.username}" />
 		<constructor-arg index="1" value="${mail.password}" />
 	</bean>
-	<bean id="smtpSession" class="javax.mail.Session" factory-method="getInstance">
+	<bean id="smtpSession" class="jakarta.mail.Session" factory-method="getInstance">
 		<constructor-arg index="0">
 			<props>
 				<prop key="mail.smtp.submitter">${mail.username}</prop>