Fix some rare cases

src/de/anura/core/API/Errors.java

@@ -17,7 +17,7 @@ public class Errors {
             String message = exc.getLocalizedMessage();
             String name = exc.getClass().toString();
             String server = Core.getMainClass() == null ? "~not available~" : Core.getMainClass().getConfig().getString("server-name");
-            String errorSql = "INSERT INTO coreErrors (server, exception, msg, info, timestamp) VALUES('" + server + "', '" + name + "', '" + message + "', '" + info + "', '" + System.currentTimeMillis() / 1000 + "')";
+            String errorSql = "INSERT INTO coreErrors (server, exception, msg, info, timestamp) VALUES('" + server + "', '" + name + "', '" + Core.getMySql().escapeString(message) + "', '" + info + "', '" + System.currentTimeMillis() / 1000 + "')";
             Core.getMySql().queryUpdate(errorSql);
             ResultSet rs = Core.getMySql().querySelect("SELECT id FROM coreErrors ORDER BY id DESC LIMIT 1");
             rs.first(); 

src/de/anura/core/API/MySQL.java

@@ -40,8 +40,7 @@ public class MySQL {
         cfg.options().copyDefaults(true);
         try {
             cfg.save(file);
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (IOException e) {
         }
         this.host = cfg.getString(dbLoc + "host");
         this.port = cfg.getInt(dbLoc + "port");
@@ -57,7 +56,7 @@ public class MySQL {
     }
 
     public String escapeString(String text) {
-        return text;
+        return text.replace("'", "\\'");
     }
 
     private Boolean openConnection() {
@@ -66,10 +65,9 @@ public class MySQL {
             Connection connLoc = DriverManager.getConnection("jdbc:mysql://" + this.host + ":" + this.port + "/" + this.db, this.username, this.pw);
             this.conn = connLoc;
             return true;
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (ClassNotFoundException | SQLException e) {
+            return false;
         }
-        return false;
     }
 
     private boolean hasConnection() {
@@ -81,10 +79,9 @@ public class MySQL {
                 validConn = false;
             }
             return validConn;
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (SQLException e) {
+            return false;
         }
-        return false;
     }
 
     private Boolean reconnect() {
@@ -131,8 +128,8 @@ public class MySQL {
         try {
             st = connLoc.prepareStatement(query);
             st.executeUpdate();
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (SQLException e) {
+            System.err.println("Failed to send Update '" + query + "'! (" + e.getLocalizedMessage() + ")");
         }
         this.closeRessources(null, st);
     }
@@ -150,8 +147,8 @@ public class MySQL {
             } else {
                 return returns;
             }
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (SQLException e) {
+            System.err.println("Unknown error whilst trying to build Prepared Statement!");
             queryRedo(query, "select");
         }
         return null;
@@ -164,23 +161,28 @@ public class MySQL {
         ResultSet rs;
         try {
             rs = st.executeQuery();
-        } catch(Throwable e) {
-            Errors.reportException(e);
+        } catch (SQLException e) {
+            System.err.println("Failed to send 'SELECT'-Query!(" + st.toString() + ") Will try to reconnect to database just in case... you know...");
+            System.err.println("Caused by: " + e.getMessage());
             return null;
         }
         return rs;
     }
 
     private void closeRessources(ResultSet rs, PreparedStatement st) {
-        try {
-            if (rs != null) {
+        if (rs != null) {
+            try {
                 rs.close();
+            } catch (SQLException e) {
+
             }
-            if (st != null) {
+        }
+        if (st != null) {
+            try {
                 st.close();
-            } 
-        } catch(Throwable e) {
-            Errors.reportException(e);
+            } catch (SQLException e) {
+
+            }
         }
     }
 
@@ -189,8 +191,7 @@ public class MySQL {
             if (this.conn != null) {
                 this.conn.close();
             }
-        } catch (Throwable e) {
-            Errors.reportException(e);
+        } catch (SQLException e) {
         } finally {
             this.conn = null;
         }