diff --git a/Dockerfile b/Dockerfile
index 3878b44..2b138d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Use alpine linux as base image
-FROM openjdk:19-alpine as builder
+FROM openjdk:19-alpine AS builder
 
 # Copy repository respecting .dockerignore
 COPY . /kustvakt
diff --git a/pom.xml b/pom.xml
index 1c9911b..7a42c73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 		<jetty.version>11.0.19</jetty.version>
 		<flyway.version>10.6.0</flyway.version>
 		<log4j.version>2.22.1</log4j.version>
-		<krill.version>[0.63.1,)</krill.version>
+		<krill.version>[0.63.2,)</krill.version>
 		<koral.version>[0.44,)</koral.version>
 	</properties>
 	<profiles>
diff --git a/src/main/java/de/ids_mannheim/korap/init/NamedVCLoader.java b/src/main/java/de/ids_mannheim/korap/init/NamedVCLoader.java
index cbd9fb5..7bf7ccb 100644
--- a/src/main/java/de/ids_mannheim/korap/init/NamedVCLoader.java
+++ b/src/main/java/de/ids_mannheim/korap/init/NamedVCLoader.java
@@ -224,7 +224,12 @@
 
         long start, end;
         start = System.currentTimeMillis();
-        VirtualCorpusCache.store(vcId, searchKrill.getIndex());
+        try {
+            VirtualCorpusCache.store(vcId, searchKrill.getIndex());
+        }
+        catch (Exception e) {
+            jlog.error("Failed caching vc "+vcId, e);
+        }
         end = System.currentTimeMillis();
         jlog.info("Duration : {}", (end - start));
         config.setVcInCaching("");
@@ -239,13 +244,14 @@
     private void storeVCinDB (String vcId, String koralQuery, QueryDO existingVC) {
         try {
             String info = (existingVC == null) ? "Storing" : "Updating";
-            jlog.info("{} {} in database ", info, vcId);
+            jlog.info("{} {} in the database ", info, vcId);
             
             vcService.storeQuery(existingVC, "system", vcId, ResourceType.SYSTEM,
                     QueryType.VIRTUAL_CORPUS, koralQuery, null, null, null,
                     true, "system", null, null);
         }
-        catch (KustvaktException e) {
+        catch (Exception e) {
+            jlog.error("Failed storing VC: "+vcId, e);
             throw new RuntimeException(e);
         }
     }
diff --git a/src/main/java/de/ids_mannheim/korap/server/KustvaktServer.java b/src/main/java/de/ids_mannheim/korap/server/KustvaktServer.java
index 8f7d80f..129cda2 100644
--- a/src/main/java/de/ids_mannheim/korap/server/KustvaktServer.java
+++ b/src/main/java/de/ids_mannheim/korap/server/KustvaktServer.java
@@ -9,7 +9,7 @@
 public class KustvaktServer extends KustvaktBaseServer {
 
     public static void main (String[] args) throws Exception {
-        System.setProperty("log4j.configurationFile", "data/log4j2.properties, log4j2.properties");
+        System.setProperty("log4j.configurationFile", "data/log4j2.properties");
         KustvaktServer server = new KustvaktServer();
         kargs = server.readAttributes(args);
 
diff --git a/src/main/resources/log4j2.properties b/src/main/resources/data/log4j2.properties
similarity index 98%
rename from src/main/resources/log4j2.properties
rename to src/main/resources/data/log4j2.properties
index 1201846..ed6307e 100644
--- a/src/main/resources/log4j2.properties
+++ b/src/main/resources/data/log4j2.properties
@@ -9,7 +9,7 @@
 appender.file.name = MAINLOG
 appender.file.fileName=./data/logs/kustvakt.log
 appender.file.layout.type=PatternLayout
-appender.file.layout.pattern= %d{yyyy-MM-dd, HH:mm:ss} %C{6} - %M%n %-5p: %m%n
+appender.file.layout.pattern= %d{yyyy-MM-dd, HH:mm:ss} %C{6} - %M%n %-5p: %m%n%xEx%n
 
 appender.ldapFile.type = File
 appender.ldapFile.name = LDAP_LOG