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Posted to issues@ignite.apache.org by "Pavel Pereslegin (Jira)" <ji...@apache.org> on 2023/04/28 13:48:00 UTC

[jira] [Assigned] (IGNITE-19320) NPE on connection close (if there was 0 operation)

     [ https://issues.apache.org/jira/browse/IGNITE-19320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel Pereslegin reassigned IGNITE-19320:
-----------------------------------------

    Assignee: Pavel Pereslegin

> NPE on connection close (if there was 0 operation)
> --------------------------------------------------
>
>                 Key: IGNITE-19320
>                 URL: https://issues.apache.org/jira/browse/IGNITE-19320
>             Project: Ignite
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 3.0
>            Reporter: Alexander Belyak
>            Assignee: Pavel Pereslegin
>            Priority: Major
>              Labels: ignite-3
>
> Exception
> {noformat}
> WARNING: Exception in client connector pipeline [remoteAddress=/127.0.0.1:51586]: IGN-CMN-65535 TraceId:fb08f569-9e4a-4d15-80a6-dafdcbff7acd
> org.apache.ignite.lang.IgniteInternalException: IGN-CMN-65535 TraceId:fb08f569-9e4a-4d15-80a6-dafdcbff7acd
>     at org.apache.ignite.client.handler.ClientResourceRegistry.close(ClientResourceRegistry.java:130)
>     at org.apache.ignite.client.handler.ClientInboundMessageHandler.channelInactive(ClientInboundMessageHandler.java:225)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:305)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281)
>     at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:274)
>     at io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:411)
>     at io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:376)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:305)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281)
>     at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:274)
>     at io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:301)
>     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281)
>     at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901)
>     at io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813)
>     at io.netty.util.concurrent.AbstractEventExecutor.runTask$$$capture(AbstractEventExecutor.java:174)
>     at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java)
>     at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:167)
>     at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java)
>     at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470)
>     at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:566)
>     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)
> Caused by: java.lang.NullPointerException{noformat}
> on close connection without a single query:
> {code:java}
> public static void main(String[] args) throws InterruptedException {
>     try (Connection conn = DriverManager.getConnection("jdbc:ignite:thin://127.0.0.1:10800")) {
>         // NoOp.
>     } catch (SQLException e) {
>         throw new RuntimeException(e);
>     }
> } {code}
> Because in 
> {color:#000000}JdbcQueryEventHandlerImpl.{color}{color:#000000}JdbcConnectionContext{color}.close()
> there is no check if connectionId is Null and SessionManager.session(SessionId) tries to get null from its 
> {color:#0033b3}private final {color}{color:#000000}Map{color}<{color:#000000}SessionId{color}, {color:#000000}Session{color}> {color:#871094}activeSessions {color}= {color:#0033b3}new {color}ConcurrentHashMap<>();



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