I’m new to Knime and setting up a new distributed executor Knime service using the Azure Knime BYOL Marketplace image.
I have it generally working, but the Catalina daily log is repeating the same pair of severe errors about once a minute. (Posted at end.)
I have modified the knime.ini to move the Knime server repository to an Azure file share and that seems to be working fine. I’ve also set the value “com.knime.server.canonical-address=http://knimeserver.myproject.dev:8080/” (no quotes) in the knime-server.config file. I’ve tried it with and without the trailing / character to no effect. The only other change from the stock image is that it’s talking to a rabbitmq server and the local executor is disabled.
Any thoughts on what I’m looking for here? I suspect it’s related to the com.knime.server.canonical-address setting as I had an earlier setup that is nearly identical except for that setting and it did not have this same error.
25-Jun-2020 15:12:12.398 WARNING [http-nio-8080-exec-8] org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage Unexpected error forwarding to login page
org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:356)
at org.apache.catalina.connector.OutputBuffer.appendByteArray(OutputBuffer.java:795)
at org.apache.catalina.connector.OutputBuffer.append(OutputBuffer.java:731)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:391)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:369)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:96)
at com.vaadin.server.VaadinServlet.streamContent(VaadinServlet.java:983)
at com.vaadin.server.VaadinServlet.writeStaticResourceResponse(VaadinServlet.java:943)
at com.vaadin.server.VaadinServlet.serveStaticResourcesInVAADIN(VaadinServlet.java:844)
at com.vaadin.server.VaadinServlet.serveStaticResources(VaadinServlet.java:739)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:373)
at com.knime.enterprise.webportal.WebportalServlet.service(WebportalServlet.java:133)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:470)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:395)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:316)
at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:431)
at org.apache.catalina.authenticator.FormAuthenticator.doAuthenticate(FormAuthenticator.java:248)
at org.apache.catalina.authenticator.AuthenticatorBase.authenticate(AuthenticatorBase.java:625)
at com.knime.enterprise.tomcat.authenticator.KnimeServerAuthenticator.doAuthenticate(KnimeServerAuthenticator.java:453)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:575)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Broken pipe
at sun.nio.ch.FileDispatcherImpl.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93)
at sun.nio.ch.IOUtil.write(IOUtil.java:65)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:468)
at org.apache.tomcat.util.net.NioChannel.write(NioChannel.java:134)
at org.apache.tomcat.util.net.NioBlockingSelector.write(NioBlockingSelector.java:101)
at org.apache.tomcat.util.net.NioSelectorPool.write(NioSelectorPool.java:157)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.doWrite(NioEndpoint.java:1279)
at org.apache.tomcat.util.net.SocketWrapperBase.doWrite(SocketWrapperBase.java:670)
at org.apache.tomcat.util.net.SocketWrapperBase.writeBlocking(SocketWrapperBase.java:450)
at org.apache.tomcat.util.net.SocketWrapperBase.write(SocketWrapperBase.java:388)
at org.apache.coyote.http11.Http11OutputBuffer$SocketOutputBuffer.doWrite(Http11OutputBuffer.java:623)
at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:116)
at org.apache.coyote.http11.Http11OutputBuffer.doWrite(Http11OutputBuffer.java:225)
at org.apache.coyote.Response.doWrite(Response.java:541)
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:351)
… 41 more
25-Jun-2020 15:12:12.399 SEVERE [http-nio-8080-exec-8] org.apache.catalina.core.StandardHostValve.invoke Exception Processing /knime/
java.lang.IllegalStateException: Cannot call sendError() after the response has been committed
at org.apache.catalina.connector.Response.sendError(Response.java:1302)
at org.apache.catalina.authenticator.FormAuthenticator.forwardToLoginPage(FormAuthenticator.java:439)
at org.apache.catalina.authenticator.FormAuthenticator.doAuthenticate(FormAuthenticator.java:248)
at org.apache.catalina.authenticator.AuthenticatorBase.authenticate(AuthenticatorBase.java:625)
at com.knime.enterprise.tomcat.authenticator.KnimeServerAuthenticator.doAuthenticate(KnimeServerAuthenticator.java:453)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:575)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityListener.java:97)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)