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Failed to load driver class com.mysql.cj.jdbc.Driver in either of HikariConfig class loader or Thread context classloader #3931

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NuddiGaming opened this issue Jan 16, 2025 · 4 comments
Open

Failed to load driver class com.mysql.cj.jdbc.Driver in either of HikariConfig class loader or Thread context classloader #3931

NuddiGaming opened this issue Jan 16, 2025 · 4 comments
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Bug Issues that contain unintended behavior note: Unsupported version

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@NuddiGaming
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I am trying to setup plan for a server that is hosted on PebbleHost. PebbleHost has a feature that automaticaly sets up the DB for the plugin (it changes everything needed in the config file). I get this error when loading up the server. I am using the earlier build of the plugin that works for java 8.

[10:34:41 INFO]: [Plan] Downloading MySQL Driver, this may take a while...
[10:34:41 ERROR]: [Plan] Plan-v5.4 build 1723
java.lang.RuntimeException: Failed to load driver class com.mysql.cj.jdbc.Driver in either of HikariConfig class loader or Thread context classloader
        at plan.com.zaxxer.hikari.HikariConfig.setDriverClassName(HikariConfig.java:491) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.MySQLDB.setupDataSource(MySQLDB.java:114) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.SQLDB.init(SQLDB.java:152) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.DBSystem.enable(DBSystem.java:92) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.BukkitDBSystem.enable(BukkitDBSystem.java:56) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.PlanSystem.enableSystems(PlanSystem.java:201) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.PlanSystem.enable(PlanSystem.java:163) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.Plan.onEnable(Plan.java:77) [Plan-5.4-build-1722.1%20(1).jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:407) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:359) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:318) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:563) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
[10:34:41 ERROR]: [Plan] Plugin Failed to Initialize Correctly. If this issue is caused by config settings you can use /plan reload
[10:34:41 ERROR]: [Plan] This error should be reported at https://github.com/plan-player-analytics/Plan/issues
[10:34:41 INFO]: [Plan] Processing complete.
[10:34:41 INFO]: [Plan] Waiting for unfinished transactions to avoid data loss..
[10:34:41 INFO]: [Plan] Transaction queue closed.
[10:34:41 INFO]: [Plan] Player Analytics Disabled.

Plugin versions

Plan-v5.4 build 1723
Java 8
Paper 1.8.8

I am not experienced with more advanced plugins like this one so the solution might be quite easy.
@NuddiGaming NuddiGaming added the Bug Issues that contain unintended behavior label Jan 16, 2025
@AuroraLS3
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It looks like the MySQL driver failed to initialize, this could be due to firewall blocking download of the driver.

@AuroraLS3
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The problem is likely caused by Paper changing their repository URL and breaking the MySQL driver download address

@AuroraLS3
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AuroraLS3 commented Jan 16, 2025 •
edited
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You should be able to place these (both jar files) in /plugins/Plan/libraries to get it working
libraries.zip

@NuddiGaming
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I added the jar files, but it still gives an error. In the config file, I can see that under "Database" it uses the port 3306, when I then look at the firewall rules it has not added anything (that I know of, might do it behind the scenes). I can only add ports that I have created (I cannot choose the port it just gives me one) and 3306 is not one of them. I have no idea if this helps in anyway.

On startup:

[15:20:00 INFO]: [Plan] Enabling Plan v5.4 build 1723
[15:20:00 INFO]: [Plan] 
[15:20:00 INFO]: [Plan]            ???
[15:20:00 INFO]: [Plan]      ???   ???
[15:20:00 INFO]: [Plan]   ????????????  Player Analytics
[15:20:00 INFO]: [Plan]   ????????????  v5.4 build 1723
[15:20:00 INFO]: [Plan] 
[15:20:00 INFO]: [Plan] Locale: 'English' by AuroraLS3
[15:20:00 INFO]: [Plan] Downloading MySQL Driver, this may take a while...
[15:20:00 ERROR]: [Plan] Plan-v5.4 build 1723
java.lang.RuntimeException: Failed to load driver class com.mysql.cj.jdbc.Driver in either of HikariConfig class loader or Thread context classloader
        at plan.com.zaxxer.hikari.HikariConfig.setDriverClassName(HikariConfig.java:491) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.MySQLDB.setupDataSource(MySQLDB.java:114) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.SQLDB.init(SQLDB.java:152) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.DBSystem.enable(DBSystem.java:92) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.storage.database.BukkitDBSystem.enable(BukkitDBSystem.java:56) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.PlanSystem.enableSystems(PlanSystem.java:201) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.PlanSystem.enable(PlanSystem.java:163) ~[Plan-5.4-build-1722.1%20(1).jar:?]
        at com.djrapitops.plan.Plan.onEnable(Plan.java:77) [Plan-5.4-build-1722.1%20(1).jar:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:407) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:359) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:318) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:563) [paper-1.8.8.jar:git-PaperSpigot-"4c7641d19"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
[15:20:00 ERROR]: [Plan] Plugin Failed to Initialize Correctly. If this issue is caused by config settings you can use /plan reload
[15:20:00 ERROR]: [Plan] This error should be reported at https://github.com/plan-player-analytics/Plan/issues
[15:20:00 INFO]: [Plan] Processing complete.
[15:20:00 INFO]: [Plan] Waiting for unfinished transactions to avoid data loss..
[15:20:00 INFO]: [Plan] Transaction queue closed.
[15:20:00 INFO]: [Plan] Player Analytics Disabled.

On /plan reload:

[15:29:45 INFO]: [Plan] Processing complete.
[15:29:45 INFO]: [Plan] Player Analytics Disabled.
[15:29:45 INFO]: [Plan] 
[15:29:45 INFO]: [Plan]            ???
[15:29:45 INFO]: [Plan]      ???   ???
[15:29:45 INFO]: [Plan]   ????????????  Player Analytics
[15:29:45 INFO]: [Plan]   ????????????  v5.4 build 1723
[15:29:45 INFO]: [Plan] 
[15:29:45 INFO]: [Plan] Locale: 'English' by AuroraLS3
[15:29:45 INFO]: [Plan] Downloading MySQL Driver, this may take a while...
[15:29:45 ERROR]: [Plan] Plan-v5.4 build 1723
java.lang.RuntimeException: Failed to load driver class com.mysql.cj.jdbc.Driver in either of HikariConfig class loader or Thread context classloader
        at plan.com.zaxxer.hikari.HikariConfig.setDriverClassName(HikariConfig.java:491) ~[?:?]
        at com.djrapitops.plan.storage.database.MySQLDB.setupDataSource(MySQLDB.java:114) ~[?:?]
        at com.djrapitops.plan.storage.database.SQLDB.init(SQLDB.java:152) ~[?:?]
        at com.djrapitops.plan.storage.database.DBSystem.enable(DBSystem.java:92) ~[?:?]
        at com.djrapitops.plan.storage.database.BukkitDBSystem.enable(BukkitDBSystem.java:56) ~[?:?]
        at com.djrapitops.plan.PlanSystem.enableSystems(PlanSystem.java:201) ~[?:?]
        at com.djrapitops.plan.PlanSystem.enable(PlanSystem.java:163) ~[?:?]
        at com.djrapitops.plan.Plan.onEnable(Plan.java:77) ~[?:?]
        at com.djrapitops.plan.commands.subcommands.PluginStatusCommands.lambda$onReload$0(PluginStatusCommands.java:72) ~[?:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
[15:29:45 ERROR]: [Plan] Plugin Failed to Initialize Correctly. If this issue is caused by config settings you can use /plan reload
[15:29:45 ERROR]: [Plan] This error should be reported at https://github.com/plan-player-analytics/Plan/issues
[15:29:45 INFO]: [Plan] Processing complete.
[15:29:45 INFO]: [Plan] Waiting for unfinished transactions to avoid data loss..
[15:29:45 INFO]: [Plan] Transaction queue closed.
[15:29:45 INFO]: [Plan] Player Analytics Disabled.
[15:29:45 INFO]: [Plan] ----------------------------------------
[15:29:45 INFO]: [Plan] New Release (5.6.2883) is available https://github.com/plan-player-analytics/Plan/releases
[15:29:45 INFO]: [Plan] ----------------------------------------

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@AuroraLS3 @NuddiGaming