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Connecting fails quite often with NullPointerException when either the remote peer closes the connection immediately (e.g. when DB2 within docker doesn't listen and the docker portforwarding closes the connection right after connecting or after Internal Error - Remote System CCSID Manager is unknown)
stack trace:
java.lang.NullPointerException: Cannot invoke "com.ibm.db2.r2dbc.DB2Connection.close()" because "this.h" is null
at com.ibm.db2.r2dbc.b.d.lambda$new$6(d.java:136)
at reactor.netty.transport.ClientTransportConfig$ClientTransportDoOn.lambda$onStateChange$0(ClientTransportConfig.java:296)
at reactor.core.publisher.LambdaMonoSubscriber.onComplete(LambdaMonoSubscriber.java:135)
at reactor.core.publisher.Operators.complete(Operators.java:137)
at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:46)
at reactor.core.publisher.Mono.subscribe(Mono.java:4495)
at reactor.core.publisher.Mono.subscribeWith(Mono.java:4561)
at reactor.core.publisher.Mono.subscribe(Mono.java:4462)
at reactor.core.publisher.Mono.subscribe(Mono.java:4398)
at reactor.netty.DisposableChannel.onDispose(DisposableChannel.java:140)
at reactor.netty.Connection.onDispose(Connection.java:277)
at reactor.netty.channel.ChannelOperations.onDispose(ChannelOperations.java:239)
at reactor.netty.transport.ClientTransportConfig$ClientTransportDoOn.onStateChange(ClientTransportConfig.java:296)
at reactor.netty.resources.NewConnectionProvider$NewConnectionObserver.onStateChange(NewConnectionProvider.java:211)
at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:490)
at reactor.netty.channel.ChannelOperations.onInboundClose(ChannelOperations.java:446)
at reactor.netty.channel.ChannelOperationsHandler.channelInactive(ChannelOperationsHandler.java:73)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:305)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:281)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:274)
at io.netty.channel.DefaultChannelPipeline$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(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:566)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:833)
java.lang.RuntimeException: [rdb2-1-0] inbound is on complete
at com.ibm.db2.r2dbc.b.d.lambda$null$2(d.java:123)
Suppressed: The stacktrace has been enhanced by Reactor, refer to additional information below:
Assembly trace from producer [reactor.core.publisher.MonoCreate] :
reactor.core.publisher.Mono.create(Mono.java:202)
com.ibm.db2.r2dbc.b.d.a(d.java:445)
Error has been observed at the following site(s):
*________Mono.create ⇢ at com.ibm.db2.r2dbc.b.d.a(d.java:445)
|_ Mono.flatMapMany ⇢ at com.ibm.db2.r2dbc.b.d.a(d.java:462)
|_ Flux.handle ⇢ at com.ibm.db2.r2dbc.b.q.a(q.java:90)
|_ Flux.doOnComplete ⇢ at com.ibm.db2.r2dbc.b.q.a(q.java:126)
|_ Flux.then ⇢ at com.ibm.db2.r2dbc.b.q.a(q.java:135)
*____Mono.delayUntil ⇢ at com.ibm.db2.r2dbc.DB2ConnectionFactory.create(DB2ConnectionFactory.java:77)
*____Mono.delayUntil ⇢ at com.ibm.db2.r2dbc.DB2ConnectionFactory.create(DB2ConnectionFactory.java:78)
*____Mono.delayUntil ⇢ at com.ibm.db2.r2dbc.DB2ConnectionFactory.create(DB2ConnectionFactory.java:79)
|_ Mono.map ⇢ at com.ibm.db2.r2dbc.DB2ConnectionFactory.create(DB2ConnectionFactory.java:134)
*____Mono.delayUntil ⇢ at com.ibm.db2.r2dbc.DB2ConnectionFactory.create(DB2ConnectionFactory.java:136)
Original Stack Trace:
at com.ibm.db2.r2dbc.b.d.lambda$null$2(d.java:123)
at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onComplete(FluxPeekFuseable.java:268)
at reactor.core.publisher.FluxPeekFuseable$PeekFuseableSubscriber.onComplete(FluxPeekFuseable.java:277)
at reactor.core.publisher.FluxHandleFuseable$HandleFuseableSubscriber.onComplete(FluxHandleFuseable.java:239)
at reactor.core.publisher.FluxPeekFuseable$PeekFuseableConditionalSubscriber.onComplete(FluxPeekFuseable.java:595)
at reactor.core.publisher.FluxMap$MapConditionalSubscriber.onComplete(FluxMap.java:275)
at reactor.netty.channel.FluxReceive.onInboundComplete(FluxReceive.java:413)
at reactor.netty.channel.ChannelOperations.onInboundComplete(ChannelOperations.java:431)
at reactor.netty.channel.ChannelOperations.terminate(ChannelOperations.java:485)
at reactor.netty.channel.ChannelOperations.onInboundClose(ChannelOperations.java:446)
at reactor.netty.channel.ChannelOperationsHandler.channelInactive(ChannelOperationsHandler.java:73)
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(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: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:833)
Suppressed: java.lang.Exception: #block terminated with an error
at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:102)
at reactor.core.publisher.Mono.block(Mono.java:1712)
The text was updated successfully, but these errors were encountered:
It is essentially the following code block either during Docker startup (when the server does not listen yet on port 50000 or when the database initialization has failed):
Connecting fails quite often with
NullPointerException
when either the remote peer closes the connection immediately (e.g. when DB2 within docker doesn't listen and the docker portforwarding closes the connection right after connecting or afterInternal Error - Remote System CCSID Manager is unknown
)stack trace:
The text was updated successfully, but these errors were encountered: