poxiao1266 opened a new issue #10134:
URL: https://github.com/apache/shardingsphere/issues/10134
Shardingscaling does not support mysql 5.5.38;an error is reported when
used; the error message is as follows:
org.apache.shardingsphere.scaling.core.exception.PrepareFailedException:
Source data source check variables failed. at
org.apache.shardingsphere.scaling.mysql.MySQLDataSourceChecker.checkVariable(MySQLDataSourceChecker.java:93)
at
org.apache.shardingsphere.scaling.mysql.MySQLDataSourceChecker.checkVariable(MySQLDataSourceChecker.java:83)
at
org.apache.shardingsphere.scaling.core.job.preparer.ShardingScalingJobPreparer.checkDataSources(ShardingScalingJobPreparer.java:93)
at
org.apache.shardingsphere.scaling.core.job.preparer.ShardingScalingJobPreparer.prepare(ShardingScalingJobPreparer.java:69)
at
org.apache.shardingsphere.scaling.core.ScalingJobController.start(ScalingJobController.java:54)
at
org.apache.shardingsphere.scaling.web.HttpServerHandler.startJob(HttpServerHandler.java:99)
at
org.apache.shardingsphere.scaling.web.HttpServerHandler.channelRead0(HttpServerHandler.java:73)
at
org.apache.shardingsphere.scaling.web.HttpServerHandler.channelRead0(HttpServerHandler.java:52)
a
t
io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:99)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:102)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)
at
io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)
at io.netty.handler.codec
.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321) at
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295)
at
io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)
at
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.n
etty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:714)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650)
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at
io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748) Caused by: java.sql.SQLException:
Illegal operation on empty result set. at
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965) at
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898) at
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887) at
com.mysql.jdbc.SQLE
rror.createSQLException(SQLError.java:861) at
com.mysql.jdbc.ResultSetImpl.checkRowPos(ResultSetImpl.java:790) at
com.mysql.jdbc.ResultSetImpl.getStringInternal(ResultSetImpl.java:5213) at
com.mysql.jdbc.ResultSetImpl.getString(ResultSetImpl.java:5136) at
com.zaxxer.hikari.pool.HikariProxyResultSet.getString(HikariProxyResultSet.java)
at
org.apache.shardingsphere.scaling.mysql.MySQLDataSourceChecker.checkVariable(MySQLDataSourceChecker.java:101)
at
org.apache.shardingsphere.scaling.mysql.MySQLDataSourceChecker.checkVariable(MySQLDataSourceChecker.java:90)
... 35 common frames omitted
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