[jira] [Created] (NIFI-8417) emoji in processor group name cause nifi to not start up

[Adam Turley (Jira)]

Adam Turley created NIFI-8417:
---------------------------------

             Summary: emoji in processor group name cause nifi to not start up
                 Key: NIFI-8417
                 URL: https://issues.apache.org/jira/browse/NIFI-8417
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.13.2, 1.13.1, 1.13.0
         Environment: RHEL 7, jdk8
            Reporter: Adam Turley
         Attachments: Screen Shot 2021-04-12 at 9.17.29 AM.png

if a processor group includes an emoji in the name, nifi will work normally 
until restart. Once restarted nifi will endlessly crash with the following 
error message:

2021-04-12 16:06:56,100 WARN [Cluster Socket Listener] 
org.apache.nifi.io.socket.SocketListener Failed to communicate with Unknown 
Host due to java.net.SocketException: Socket closed
java.net.SocketException: Socket closed
 at java.net.PlainSocketImpl.socketAccept(Native Method)
 at java.net.AbstractPlainSocketImpl.accept(AbstractPlainSocketImpl.java:409)
 at java.net.ServerSocket.implAccept(ServerSocket.java:560)
 at sun.security.ssl.SSLServerSocketImpl.accept(SSLServerSocketImpl.java:202)
 at org.apache.nifi.io.socket.SocketListener$2.run(SocketListener.java:107)
 at java.lang.Thread.run(Thread.java:748)
2021-04-12 16:06:56,100 ERROR [main] org.apache.nifi.web.server.JettyServer 
Unable to load flow due to: 
org.apache.nifi.controller.serialization.FlowSerializationException: 
org.xml.sax.SAXParseException; lineNumber: 341336; columnNumber: 21; Character 
reference "&#55356" is an invalid XML character.
org.apache.nifi.controller.serialization.FlowSerializationException: 
org.xml.sax.SAXParseException; lineNumber: 341336; columnNumber: 21; Character 
reference "&#55356" is an invalid XML character.
 at 
org.apache.nifi.cluster.protocol.StandardDataFlow.parseFlowBytes(StandardDataFlow.java:136)
 at 
org.apache.nifi.cluster.protocol.StandardDataFlow.getFlowDocument(StandardDataFlow.java:96)
 at 
org.apache.nifi.controller.StandardFlowSynchronizer.sync(StandardFlowSynchronizer.java:185)
 at 
org.apache.nifi.controller.FlowController.synchronize(FlowController.java:1413)
 at 
org.apache.nifi.persistence.StandardXMLFlowConfigurationDAO.load(StandardXMLFlowConfigurationDAO.java:89)
 at 
org.apache.nifi.controller.StandardFlowService.loadFromBytes(StandardFlowService.java:810)
 at 
org.apache.nifi.controller.StandardFlowService.load(StandardFlowService.java:458)
 at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1133)
 at org.apache.nifi.NiFi.<init>(NiFi.java:159)
 at org.apache.nifi.NiFi.<init>(NiFi.java:71)
 at org.apache.nifi.NiFi.main(NiFi.java:303)
Caused by: org.xml.sax.SAXParseException: Character reference "&#55356" is an 
invalid XML character.
 at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown 
Source)
 at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
 at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
 at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
 at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
 at org.apache.xerces.impl.XMLScanner.reportFatalError(Unknown Source)
 at org.apache.xerces.impl.XMLScanner.scanCharReferenceValue(Unknown Source)
 at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanCharReference(Unknown 
Source)
 at 
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
 Source)
 at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown 
Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
 at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
 at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
 at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
 at 
org.apache.nifi.cluster.protocol.StandardDataFlow.parseFlowBytes(StandardDataFlow.java:134)
 ... 10 common frames omitted



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