BUG: find config files for logging

src/main/java/caosdb/server/logging/log4j/CustomConfigurationFactory.java

 package caosdb.server.logging.log4j;
 
-import com.google.common.io.PatternFilenameFilter;
 import java.io.File;
 import java.net.URI;
 import java.util.ArrayList;
@@ -38,12 +37,14 @@ public class CustomConfigurationFactory extends PropertiesConfigurationFactory {
       configFiles.add(ext_file.getAbsolutePath());
     }
     if (ext_dir.exists() && ext_dir.isDirectory()) {
-      String[] confFiles = ext_dir.list(new PatternFilenameFilter("\\.properties$"));
+      String[] confFiles = ext_dir.list();
       Arrays.sort(confFiles, Comparator.naturalOrder());
       for (String fileName : confFiles) {
-        configFiles.add(ext_dir.toPath().toAbsolutePath().resolve(fileName).toString());
+        if (fileName.endsWith(".properties"))
+          configFiles.add(ext_dir.toPath().toAbsolutePath().resolve(fileName).toString());
       }
     }
+    LOGGER.info("Found {} configuration files: {}", configFiles.size(), configFiles);
     return configFiles;
   }