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https://issues.apache.org/jira/browse/NIFI-7414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Matt Gilman updated NIFI-7414:
------------------------------
Fix Version/s: 1.12.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> NiFi fails to startup if it encounters some unicode characters in the
> flow.xml.gz
> ---------------------------------------------------------------------------------
>
> Key: NIFI-7414
> URL: https://issues.apache.org/jira/browse/NIFI-7414
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.12.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> There are some elements where NiFi does not strip out invalid XML characters
> when writing out the flow.xml.gz. For example, if a variable is created and
> the variable's value has a unicode 0x0001 character in it, NiFi will accept
> the input but then will fail to restart with the following stack trace:
> {quote}
> 2020-04-30 13:06:16,834 WARN [main] org.apache.nifi.web.server.JettyServer
> Failed to start web server... shutting down.
> org.apache.nifi.controller.serialization.FlowSerializationException:
> org.xml.sax.SAXParseException; lineNumber: 51; columnNumber: 30; Character
> reference "&#
> at
> org.apache.nifi.cluster.protocol.StandardDataFlow.parseFlowBytes(StandardDataFlow.java:140)
> at
> org.apache.nifi.cluster.protocol.StandardDataFlow.getFlowDocument(StandardDataFlow.java:97)
> at
> org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:183)
> at
> org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1426)
> at
> org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.load(StandardXMLFlowConfigurationDAO.java:89)
> at
> org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:792)
> at
> org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:537)
> at
> org.apache.nifi.web.contextlistener.ApplicationStartupContextListener.contextInitialized(ApplicationStartupContextListener.java:72)
> at
> org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:930)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:553)
> at
> org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:889)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:356)
> at
> org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1445)
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1409)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:822)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:275)
> at
> org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:524)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
> at
> org.eclipse.jetty.server.handler.gzip.GzipHandler.doStart(GzipHandler.java:425)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:117)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:169)
> at org.eclipse.jetty.server.Server.start(Server.java:407)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:110)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:97)
> at org.eclipse.jetty.server.Server.doStart(Server.java:371)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:72)
> at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:995)
> at org.apache.nifi.NiFi.<init>(NiFi.java:158)
> at org.apache.nifi.NiFi.<init>(NiFi.java:72)
> at org.apache.nifi.NiFi.main(NiFi.java:301)
> Caused by: org.xml.sax.SAXParseException: Character reference "&#
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.fatalError(ErrorHandlerWrapper.java:177)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:400)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
> at
> com.sun.org.apache.xerces.internal.impl.XMLScanner.reportFatalError(XMLScanner.java:1472)
> at
> com.sun.org.apache.xerces.internal.impl.XMLScanner.scanCharReferenceValue(XMLScanner.java:1345)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:3053)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
> at
> com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771)
> at
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
> at
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:243)
> at
> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:339)
> at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
> at
> org.apache.nifi.cluster.protocol.StandardDataFlow.parseFlowBytes(StandardDataFlow.java:138)
> ... 44 common frames omitted
> {quote}
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