Suggestion about performing a blocking I/O operation on the main thread

[FunkyNico]

Versions VotingPlugin version: 6.9.3 / Purpur: purpur-1.19.2. Purpur-1762.

Context I found this suggestion from another spigot plugin called Lagmonitor : Make stop the plugin from doing a blocking I/O operation on the main thread because this could affect the server performance, the thread pauses until it gets the response. Such operations should be performed asynchronous from the main thread. Besides gameplay performance it could also improve startup time.

java.lang.IllegalAccessException: null at com.github.games647.lagmonitor.threading.BlockingActionManager.logCurrentStack(BlockingActionManager.java:65) ~[LagMonitor.jar:?] at com.github.games647.lagmonitor.threading.BlockingActionManager.checkBlockingAction(BlockingActionManager.java:51) ~[LagMonitor.jar:?] at com.github.games647.lagmonitor.threading.BlockingSecurityManager.checkMainThreadOperation(BlockingSecurityManager.java:40) ~[LagMonitor.jar:?] at com.github.games647.lagmonitor.threading.BlockingSecurityManager.checkPermission(BlockingSecurityManager.java:35) ~[LagMonitor.jar:?] at java.lang.SecurityManager.checkRead(SecurityManager.java:756) ~[?:?] at java.io.File.exists(File.java:829) ~[?:?] at java.io.File.mkdirs(File.java:1403) ~[?:?] at com.bencodez.votingplugin.advancedcore.api.user.userstorage.sql.db.SQLite.getSQLConnection(SQLite.java:96) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.user.userstorage.sql.Table.getRows(Table.java:273) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.user.UserManager.getAllUUIDs(UserManager.java:92) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.user.UserManager.getAllUUIDs(UserManager.java:73) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.user.UserManager.getAllUUIDs(UserManager.java:76) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.VotingPluginMetrics$14.call(VotingPluginMetrics.java:180) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.VotingPluginMetrics$14.call(VotingPluginMetrics.java:176) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.metrics.BStatsMetrics$SimplePie.getChartData(BStatsMetrics.java:716) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.metrics.BStatsMetrics$CustomChart.getRequestJsonObject(BStatsMetrics.java:138) ~[VotingPlugin.jar:?] at com.bencodez.votingplugin.advancedcore.api.metrics.BStatsMetrics$MetricsBase.lambda$submitData$2(BStatsMetrics.java:607) ~[VotingPlugin.jar:?] at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[?:?] at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1707) ~[?:?] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:575) ~[?:?] at java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) ~[?:?] at java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:616) ~[?:?] at com.bencodez.votingplugin.advancedcore.api.metrics.BStatsMetrics$MetricsBase.submitData(BStatsMetrics.java:608) ~[VotingPlugin.jar:?] at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftTask.run(CraftTask.java:101) ~[purpur-1.19.2.jar:git-Purpur-1762] at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) ~[purpur-1.19.2.jar:git-Purpur-1762] at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1519) ~[purpur-1.19.2.jar:git-Purpur-1762] at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:485) ~[purpur-1.19.2.jar:git-Purpur-1762] at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1443) ~[purpur-1.19.2.jar:git-Purpur-1762] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1213) ~[purpur-1.19.2.jar:git-Purpur-1762] at net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:310) ~[purpur-1.19.2.jar:git-Purpur-1762] at java.lang.Thread.run(Thread.java:833) ~[?:?]

Thanks =D.

[BenCodez]

https://bencodez.com/job/VotingPlugin/ Better?

[FunkyNico]

Yeah, now when i start the server it loads without gave the message, but now it haves the same suggestion when the server is stopped anyways this should not be an issue. Greetings.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.