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Question

 PRADEEP CHOWDARY PYDI (PradeepPydi)
Anthem
Senior PEGA DEVOPS and Cloud Administrator
Anthem
US
PradeepPydi Member since 2017 240 posts
Anthem
Posted: Mar 20, 2018
Last activity: Mar 28, 2018
Posted: 20 Mar 2018 15:51 EDT
Last activity: 28 Mar 2018 10:28 EDT
Closed

java.io.EOFException: Unexpected EOF read on the socket @ PRPC 731 and Tomcat 8.

Hi Team,

We are observing a lot of "java.io.EOFException: Unexpected EOF read on the socket" errors in the logs.PFB.

Following is the protocol configured in the server.xml of Tomcat8 Instance : org.apache.coyote.http11.Http11Nio2Protocol. Please suggest if we have to replace the above mentioned protocol with the following org.apache.coyote.http11.Http11Protocol .

I have referred to the following article https://pdn.pega.com/support-articles/unexpected-eof-read-socket-node2-production but not sure if it applicable for PRPC 731 and Tomcat 8.

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Hi Team,

We are observing a lot of "java.io.EOFException: Unexpected EOF read on the socket" errors in the logs.PFB.

Following is the protocol configured in the server.xml of Tomcat8 Instance : org.apache.coyote.http11.Http11Nio2Protocol. Please suggest if we have to replace the above mentioned protocol with the following org.apache.coyote.http11.Http11Protocol .

I have referred to the following article https://pdn.pega.com/support-articles/unexpected-eof-read-socket-node2-production but not sure if it applicable for PRPC 731 and Tomcat 8.

2018-03-20 00:05:51,010 [.141.26-8887-exec-36] [ ] [ ] [ ] ( web.impl.WebStandardImpl) ERROR - : Problem retrieving input data:
java.io.EOFException: Unexpected EOF read on the socket
at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:718) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.http11.Http11InputBuffer.access$300(Http11InputBuffer.java:40) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.http11.Http11InputBuffer$SocketInputBuffer.doRead(Http11InputBuffer.java:1063) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.http11.filters.IdentityInputFilter.doRead(IdentityInputFilter.java:140) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.http11.Http11InputBuffer.doRead(Http11InputBuffer.java:257) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.Request.doRead(Request.java:541) ~[tomcat-coyote.jar:8.5.13]
at org.apache.catalina.connector.InputBuffer.realReadBytes(InputBuffer.java:319) ~[catalina.jar:8.5.13]
at org.apache.catalina.connector.InputBuffer.checkByteBufferEof(InputBuffer.java:627) ~[catalina.jar:8.5.13]
at org.apache.catalina.connector.InputBuffer.read(InputBuffer.java:342) ~[catalina.jar:8.5.13]
at org.apache.catalina.connector.CoyoteInputStream.read(CoyoteInputStream.java:183) ~[catalina.jar:8.5.13]
at com.pega.pegarules.web.impl.HttpUtilities.getPostBytes(HttpUtilities.java:570) ~[prwebj2ee.jar:?]
at com.pega.pegarules.web.impl.HttpUtilities.extractRequest(HttpUtilities.java:273) ~[prwebj2ee.jar:?]
at com.pega.pegarules.web.impl.WebStandardImpl.makeEtierRequest(WebStandardImpl.java:606) ~[prwebj2ee.jar:?]
at com.pega.pegarules.web.impl.WebStandardImpl.doPost(WebStandardImpl.java:394) ~[prwebj2ee.jar:?]
at sun.reflect.GeneratedMethodAccessor98.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_151]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_151]
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethod(PRBootstrap.java:370) ~[prbootstrap-7.2.2-117.jar:7.2.2-117]
at com.pega.pegarules.internal.bootstrap.PRBootstrap.invokeMethodPropagatingThrowable(PRBootstrap.java:411) ~[prbootstrap-7.2.2-117.jar:7.2.2-117]
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethodPropagatingThrowable(AppServerBridgeToPega.java:224) ~[prbootstrap-api-7.2.2-117.jar:7.2.2-117]
at com.pega.pegarules.boot.internal.extbridge.AppServerBridgeToPega.invokeMethod(AppServerBridgeToPega.java:273) ~[prbootstrap-api-7.2.2-117.jar:7.2.2-117]
at com.pega.pegarules.internal.web.servlet.WebStandardBoot.doPost(WebStandardBoot.java:121) ~[prbootstrap-api-7.2.2-117.jar:7.2.2-117]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:661) ~[servlet-api.jar:?]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[servlet-api.jar:?]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-websocket.jar:8.5.13]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) ~[catalina.jar:8.5.13]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:595) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) ~[catalina.jar:8.5.13]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) ~[catalina.jar:8.5.13]
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) ~[catalina.jar:8.5.13]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) ~[catalina.jar:8.5.13]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:341) ~[catalina.jar:8.5.13]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) ~[tomcat-coyote.jar:8.5.13]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.Nio2Endpoint$SocketProcessor.doRun(Nio2Endpoint.java:1697) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.AbstractEndpoint.processSocket(AbstractEndpoint.java:934) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:626) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.Nio2Endpoint$Nio2SocketWrapper$4.completed(Nio2Endpoint.java:604) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.SecureNio2Channel$1.completed(SecureNio2Channel.java:877) ~[tomcat-coyote.jar:8.5.13]
at org.apache.tomcat.util.net.SecureNio2Channel$1.completed(SecureNio2Channel.java:810) ~[tomcat-coyote.jar:8.5.13]
at sun.nio.ch.Invoker.invokeUnchecked(Unknown Source) ~[?:1.8.0_151]
at sun.nio.ch.Invoker$2.run(Unknown Source) ~[?:1.8.0_151]
at sun.nio.ch.AsynchronousChannelGroupImpl$1.run(Unknown Source) ~[?:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_151]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-util.jar:8.5.13]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_151]

***Updated by moderator: Lochan to remove proprietary information***


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System Administration

  • Jeremie Leopoldo
Posted: 6 years ago
Posted: 23 Mar 2018 12:14 EDT
PRADEEP CHOWDARY PYDI (PradeepPydi)
Anthem
Senior PEGA DEVOPS and Cloud Administrator
Anthem
US

Hi,

The below mentioned article recommends changing the protocol from org.apache.coyote.http11.Http11NioProtocol  to org.apache.coyote.http11.Http11Protocol.

https://community.pega.com/support-articles/unexpected-eof-read-socket-node2-production

Following is the protocol configured in the server.xml of our Tomcat8 Instance : org.apache.coyote.http11.Http11Nio2Protocol.
The above mentioned article recommendation works out for us as well ?

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Posted: 6 years ago
Posted: 28 Mar 2018 10:28 EDT
PRADEEP CHOWDARY PYDI (PradeepPydi)
Anthem
Senior PEGA DEVOPS and Cloud Administrator
Anthem
US

Hi,

Although the protocol has been changed to protocol="org.apache.coyote.http11.Http11Protocol", we could still find the below mentioned errors in the logs.

2018-03-28 09:32:55,224 [.141.26-8887-exec-14] [          ] [                    ] [                    ] (      web.impl.WebStandardImpl) ERROR   - Proprietary information hidden: Problem retrieving input data: 
java.io.EOFException: Unexpected EOF read on the socket.

 

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Posted: 6 years ago
Posted: 22 Mar 2018 5:18 EDT
Anuj Kumar Srivastava (Anuj Srivastava)
PEGA
Senior Solutions Consultant
Pegasystems Inc.
IN

Hi 

Verify if all the nodes, if you have a multinode environment, should be able to communicate to each other. Ports must be open in the firewall to explicitly allow communication using hazelcast between all the nodes in the cluster.  

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