huohuanhuan opened a new issue #4519: Service stopped collection and some exceptions occurred URL: https://github.com/apache/skywalking/issues/4519 Please answer these questions before submitting your issue. - Why do you submit this issue? - [ ] Question or discussion - [ √] Bug - [ ] Requirement - [ ] Feature or performance improvement ___ ### Question - What do you want to know? ___ ### Bug - Which version of SkyWalking, OS and JRE? skywalking6.5,java version "1.8.0_144" - Which company or project? - What happen? If possible, provide a way for reproducing the error. e.g. demo application, component version. The service did not collect information. The following error occurred Error one： 2020-03-16 09:56:50,839 - org.eclipse.jetty.util.thread.QueuedThreadPool - 647 [qtp988402146-700] WARN [] - java.lang.OutOfMemoryError: GC overhead limit exceeded Error two： 2020-03-16 10:09:23,282 - org.apache.skywalking.oap.server.core.register.worker.RegisterPersistentWorker - 158 [DataCarrier.REGISTER_L2.BulkConsumePool.0.Thread] ERROR [] - Java heap space java.lang.OutOfMemoryError: Java heap space 2020-03-16 10:08:13,042 - io.netty.channel.DefaultChannelPipeline - 151 [grpc-default-worker-ELG-3-6] WARN [] - An exceptionCaught() event was fired, and it reached at the tail of the pipeline. It usually means the last handler in the pipeline did not handle the exception. io.netty.channel.ChannelPipelineException: io.grpc.netty.NettyServer$1.handlerAdded() has thrown an exception; removed. at io.netty.channel.DefaultChannelPipeline.callHandlerAdded0(DefaultChannelPipeline.java:656) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.DefaultChannelPipeline.access$000(DefaultChannelPipeline.java:46) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.DefaultChannelPipeline$PendingHandlerAddedTask.execute(DefaultChannelPipeline.java:1487) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.DefaultChannelPipeline.callHandlerAddedForAllHandlers(DefaultChannelPipeline.java:1161) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.DefaultChannelPipeline.invokeHandlerAddedIfNeeded(DefaultChannelPipeline.java:686) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.register0(AbstractChannel.java:510) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe.access$200(AbstractChannel.java:423) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.AbstractChannel$AbstractUnsafe$1.run(AbstractChannel.java:482) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163) [netty-common-4.1.27.Final.jar:4.1.27.Final] at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:404) [netty-common-4.1.27.Final.jar:4.1.27.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:464) [netty-transport-4.1.27.Final.jar:4.1.27.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) [netty-common-4.1.27.Final.jar:4.1.27.Final] at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.27.Final.jar:4.1.27.Final] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144] Caused by: java.lang.OutOfMemoryError: Java heap space Error three： 2020-03-15 20:38:05,918 - org.apache.skywalking.oap.server.storage.plugin.elasticsearch.cache.EndpointInventoryCacheEsDAO - 56 [pool-14-thread-1] ERROR [] - Request cannot be executed; I/O reactor status: STOPPED java.lang.IllegalStateException: Request cannot be executed; I/O reactor status: STOPPED at org.apache.http.util.Asserts.check(Asserts.java:46) ~[httpcore-4.4.5.jar:4.4.5] at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.ensureRunning(CloseableHttpAsyncClientBase.java:90) ~[httpasyncclient-4.1.2.jar:4.1.2] at org.apache.http.impl.nio.client.InternalHttpAsyncClient.execute(InternalHttpAsyncClient.java:123) ~[httpasyncclient-4.1.2.jar:4.1.2] at org.elasticsearch.client.RestClient.performRequestAsync(RestClient.java:366) ~[elasticsearch-rest-client-6.3.2.jar:6.3.2] at org.elasticsearch.client.RestClient.performRequestAsyncNoCatch(RestClient.java:351) ~[elasticsearch-rest-client-6.3.2.jar:6.3.2] at org.elasticsearch.client.RestClient.performRequest(RestClient.java:233) ~[elasticsearch-rest-client-6.3.2.jar:6.3.2] at org.elasticsearch.client.RestClient.performRequest(RestClient.java:198) ~[elasticsearch-rest-client-6.3.2.jar:6.3.2] ___ ### Requirement or improvement - Please describe about your requirements or improvement suggestions.
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