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Upgrade to MySQL 8

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Workaround for exception thrown by ResultSet#beforeFirst():
"Operation not allowed for a result set of type ResultSet.TYPE_FORWARD_ONLY"
This commit is contained in:
P0nk
2021-04-02 14:08:41 +02:00
parent 2873d0d031
commit 05bd668cc2
3 changed files with 7 additions and 6 deletions
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2
pom.xml
View File

@@ -31,7 +31,7 @@
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.6</version>
<version>8.0.23</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>

4
src/main/java/net/server/Server.java
View File

@@ -1620,7 +1620,9 @@ public class Server {
private static void applyAllWorldTransfers() {
try (Connection con = DatabaseConnection.getConnection();
PreparedStatement ps = con.prepareStatement("SELECT * FROM worldtransfers WHERE completionTime IS NULL")) {
PreparedStatement ps = con.prepareStatement("SELECT * FROM worldtransfers WHERE completionTime IS NULL",
ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_READ_ONLY)) {
ResultSet rs = ps.executeQuery();
List<Integer> removedTransfers = new LinkedList<Integer>();
while(rs.next()) {

7
src/main/java/server/maps/MapleHiredMerchant.java
View File

@@ -30,7 +30,6 @@ import client.inventory.MapleInventoryType;
import client.inventory.manipulator.MapleInventoryManipulator;
import client.inventory.manipulator.MapleKarmaManipulator;
import client.processor.npc.FredrickProcessor;
import com.mysql.jdbc.Statement;
import config.YamlConfig;
import java.sql.Connection;
import java.sql.PreparedStatement;
@@ -309,7 +308,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
}
merchantMesos += price;
try (PreparedStatement ps = con.prepareStatement("UPDATE characters SET MerchantMesos = ? WHERE id = ?", Statement.RETURN_GENERATED_KEYS)) {
try (PreparedStatement ps = con.prepareStatement("UPDATE characters SET MerchantMesos = ? WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS)) {
ps.setInt(1, (int) Math.min(merchantMesos, Integer.MAX_VALUE));
ps.setInt(2, ownerId);
ps.executeUpdate();
@@ -383,7 +382,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
} else {
try {
Connection con = DatabaseConnection.getConnection();
PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", Statement.RETURN_GENERATED_KEYS);
PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS);
ps.setInt(1, ownerId);
ps.executeUpdate();
@@ -442,7 +441,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
player.setHasMerchant(false);
} else {
Connection con = DatabaseConnection.getConnection();
try (PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", Statement.RETURN_GENERATED_KEYS)) {
try (PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS)) {
ps.setInt(1, ownerId);
ps.executeUpdate();
}