[infinispan-issues] [JBoss JIRA] (ISPN-6884) NullPointerException when performing Rolling Upgrade Procedure using Kubernetes

NullPointerException when performing Rolling Upgrade Procedure using Kubernetes ------------------------------------------------------------------------------- Key: ISPN-6884 URL: https://issues.jboss.org/browse/ISPN-6884 Project: Infinispan Issue Type: Bug Components: Loaders and Stores, Server Affects Versions: 9.0.0.Alpha3 Reporter: Sebastian Łaskawiec Assignee: Gustavo Fernandes During the [Rolling Upgrade Procedure|http://infinispan.org/docs/stable/user_guide/user_guide.html#st...] with compatibility caches on OpenShift I encountered weird {{NullPointerException}}. Below there are 2 logs from {{Source}} cluster: {code} 05:14:54,623 ERROR [org.infinispan.server.hotrod.HotRodEncoder] (HotRodServerWorker-9-8) ISPN005022: Exception writing response with messageId=59: java.lang.NullPointerException at org.infinispan.server.hotrod.Encoder2x$$anonfun$writeResponse$9.apply(Encoder2x.scala:353) at org.infinispan.server.hotrod.Encoder2x$$anonfun$writeResponse$9.apply(Encoder2x.scala:343) at scala.collection.immutable.List.foreach(List.scala:381) at org.infinispan.server.hotrod.Encoder2x$.writeResponse(Encoder2x.scala:343) at org.infinispan.server.hotrod.HotRodEncoder.encode(HotRodEncoder.scala:45) at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107) at io.netty.channel.ChannelHandlerInvokerUtil.invokeWriteNow(ChannelHandlerInvokerUtil.java:157) at io.netty.channel.DefaultChannelHandlerInvoker.invokeWrite(DefaultChannelHandlerInvoker.java:372) at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:391) at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:252) at io.netty.handler.logging.LoggingHandler.write(LoggingHandler.java:241) at io.netty.channel.ChannelHandlerInvokerUtil.invokeWriteNow(ChannelHandlerInvokerUtil.java:157) at io.netty.channel.DefaultChannelHandlerInvoker$WriteTask.run(DefaultChannelHandlerInvoker.java:496) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:339) at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:279) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:145) at java.lang.Thread.run(Thread.java:745) {code} And from {{Destination}}: {code} 05:17:17,555 WARNING [io.netty.channel.DefaultChannelPipeline] (nioEventLoopGroup-7-2) An exception was thrown by a user handler's exceptionCaught() method:: java.lang.NullPointerException at org.jboss.resteasy.plugins.server.netty.RequestHandler.exceptionCaught(RequestHandler.java:91) at io.netty.channel.ChannelHandlerInvokerUtil.invokeExceptionCaughtNow(ChannelHandlerInvokerUtil.java:64) at io.netty.channel.DefaultChannelHandlerInvoker$5.run(DefaultChannelHandlerInvoker.java:117) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:339) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:373) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:145) at java.lang.Thread.run(Thread.java:745) 05:17:17,556 WARNING [io.netty.channel.DefaultChannelPipeline] (nioEventLoopGroup-7-2) .. and the cause of the exceptionCaught() was:: java.io.IOException: Connection reset by peer at sun.nio.ch.FileDispatcherImpl.read0(Native Method) at sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:39) at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223) at sun.nio.ch.IOUtil.read(IOUtil.java:192) at sun.nio.ch.SocketChannelImpl.read(SocketChannelImpl.java:380) at io.netty.buffer.PooledUnsafeDirectByteBuf.setBytes(PooledUnsafeDirectByteBuf.java:288) at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1054) at io.netty.channel.socket.nio.NioSocketChannel.doReadBytes(NioSocketChannel.java:245) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:106) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:527) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:484) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:398) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:370) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:742) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:145) at java.lang.Thread.run(Thread.java:745) {code}