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https://issues.apache.org/jira/browse/IGNITE-19552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17726125#comment-17726125
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Konstantin Orlov commented on IGNITE-19552:
-------------------------------------------
The problem is caused by dependency conflict.
Both {{ignite-jdbc}} and {{ignite-client-handler}} modules have (transitive in
case of jdbc) dependency on {{ignite-client-common}} module. The
{{ClientMessageDecoder}} class from exception in description resides in the
{{ignite-client-common}} and extends
{{io.netty.handler.codec.LengthFieldBasedFrameDecoder}}. The jdbc is published
as fatJar shadowing and relocating all its external dependencies ({{io.netty}}
is among them).
Having both {{ignite-jdbc}} and ignite-runner (with transitive all deps) in the
project result in having two version of {{ClientMessageDecoder}}: the first one
extends {{io.netty.handler.codec.LengthFieldBasedFrameDecoder}} and another
extends
{{*org.apache.ignite.shaded*.io.netty.handler.codec.LengthFieldBasedFrameDecoder}}.
> ArrayStoreException on connect to remote server node
> ----------------------------------------------------
>
> Key: IGNITE-19552
> URL: https://issues.apache.org/jira/browse/IGNITE-19552
> Project: Ignite
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 3.0
> Reporter: Alexander Belyak
> Priority: Major
> Labels: ignite-3
>
> The problem consistently reproduces with the remote server node, sometimes -
> with the local one on AI3 after {color:#d1d2d3}a4912c63 IGNITE-19318 Unable
> to build stand alone/fat jar with JDBC driver (#2048){color}.
> 1) Start single server node
> 2) Active cluster
> 3) Connect to the cluster via JDBC driver.
> Expected result: connection established
> Actual result:
> {code:java}
> [16:08:46][INFO ][Thread-2] Create table request: CREATE TABLE IF NOT EXISTS
> usertable (yscb_key VARCHAR PRIMARY KEY, field0 VARCHAR, field1 VARCHAR,
> field2 VARCHAR, field3 VARCHAR, field4 VARCHAR, field5 VARCHAR, field6
> VARCHAR, field7 VARCHAR, field8 VARCHAR, field9 VARCHAR);May 23, 2023 4:08:46
> PM io.netty.channel.ChannelInitializer exceptionCaughtWARNING: Failed to
> initialize a channel. Closing: [id: 0x0392f8b4, L:/127.0.0.1:10800 -
> R:/127.0.0.1:53528]java.lang.ArrayStoreException:
> org.apache.ignite.internal.client.proto.ClientMessageDecoder at
> org.apache.ignite.client.handler.ClientHandlerModule$1.initChannel(ClientHandlerModule.java:250)
> at
> io.netty.channel.ChannelInitializer.initChannel(ChannelInitializer.java:129)
> at
> io.netty.channel.ChannelInitializer.handlerAdded(ChannelInitializer.java:112)
> at
> io.netty.channel.AbstractChannelHandlerContext.callHandlerAdded(AbstractChannelHandlerContext.java:1114)
> at
> io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:609)
> at
> io.netty.channel.DefaultChannelPipeline.access$100(DefaultChannelPipeline.java:46)
> at
> io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1463)
> at
> io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1115)
> at
> io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:650)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:514)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:429)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:486)
> at
> io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174)
> at
> io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) at
> io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
> at
> io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
> at
> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
> at java.base/java.lang.Thread.run(Thread.java:829) {code}
>
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