Fix: Replace logging level 'trace' with 'error' and 'warn'

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/sessions/SessionManager.java

@@ -68,7 +68,7 @@ public class SessionManager {
         try {
             handle.session().getTransport().close();
         } catch (IOException e) {
-            logger.trace("Unexpected exception while closing transport", e);
+            logger.error("Unexpected exception while closing transport", e);
         }
     }
 

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/sessions/SessionReader.java

@@ -42,11 +42,11 @@ public class SessionReader implements Runnable {
                 eventBus.publish(new DisconnectEvent(session.getId()));
                 break;
             } catch (TokenizerException | ProtocolParserException e) {
-                logger.trace("Error occured while parsing request", e);
+                logger.error("Error occured while parsing request", e);
 
                 // TODO: Send error response to client
             } catch (IOException e) {
-                logger.trace("Unexpected exception while reading from transport", e);
+                logger.error("Unexpected exception while reading from transport", e);
             }
         }
     }

src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/network/sessions/SessionWriter.java

@@ -28,9 +28,9 @@ public class SessionWriter implements Runnable {
                 RawPacket packet = new RawPacket(response.requestId(), response.payload());
                 transport.write(packet);
             } catch (IOException e) {
-                logger.trace("Unexpected exception while writing to transport", e);
+                logger.error("Unexpected exception while writing to transport", e);
             } catch (InterruptedException e) {
-                logger.trace("Thread got interrupted", e);
+                logger.warn("Thread got interrupted", e);
                 break;
             }
         }