[ https://issues.apache.org/jira/browse/NIFI-9882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Handermann reassigned NIFI-9882: -------------------------------------- Assignee: David Handermann > NullPointerException on startup from HtmlDocumentationWriter results in > component documentation not being available > ------------------------------------------------------------------------------------------------------------------- > > Key: NIFI-9882 > URL: https://issues.apache.org/jira/browse/NIFI-9882 > Project: Apache NiFi > Issue Type: Bug > Components: Core Framework > Reporter: Mark Payne > Assignee: David Handermann > Priority: Blocker > Fix For: 1.17.0, 1.16.1 > > > On startup, we see this in the nifi-app.log: > {code:java} > 2022-04-06 11:32:42,656 WARN [main] o.apache.nifi.documentation.DocGenerator > Unable to document: class org.apache.nifi.processors.mongodb.gridfs.PutGridFS > java.lang.NullPointerException: null > at > com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:458) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeSimpleElement(HtmlDocumentationWriter.java:852) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeProperties(HtmlDocumentationWriter.java:518) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeBody(HtmlDocumentationWriter.java:160) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.write(HtmlDocumentationWriter.java:92) > at > org.apache.nifi.documentation.DocGenerator.document(DocGenerator.java:142) > at > org.apache.nifi.documentation.DocGenerator.documentConfigurableComponent(DocGenerator.java:104) > at > org.apache.nifi.documentation.DocGenerator.generate(DocGenerator.java:65) > at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1028) > at org.apache.nifi.NiFi.<init>(NiFi.java:170) > at org.apache.nifi.NiFi.<init>(NiFi.java:82) > at org.apache.nifi.NiFi.main(NiFi.java:330) > 2022-04-06 11:32:42,657 WARN [main] o.apache.nifi.documentation.DocGenerator > Unable to document: class org.apache.nifi.processors.standard.SegmentContent > java.lang.NullPointerException: null > at > com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:458) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeSimpleElement(HtmlDocumentationWriter.java:852) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeProperties(HtmlDocumentationWriter.java:518) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.writeBody(HtmlDocumentationWriter.java:160) > at > org.apache.nifi.documentation.html.HtmlDocumentationWriter.write(HtmlDocumentationWriter.java:92) > at > org.apache.nifi.documentation.DocGenerator.document(DocGenerator.java:142) > at > org.apache.nifi.documentation.DocGenerator.documentConfigurableComponent(DocGenerator.java:104) > at > org.apache.nifi.documentation.DocGenerator.generate(DocGenerator.java:65) > at org.apache.nifi.web.server.JettyServer.start(JettyServer.java:1028) > at org.apache.nifi.NiFi.<init>(NiFi.java:170) > at org.apache.nifi.NiFi.<init>(NiFi.java:82) > at org.apache.nifi.NiFi.main(NiFi.java:330) {code} > For pretty much every component. As a result, the documentation is > unavailable when clicking "View Usage" -- This message was sent by Atlassian Jira (v8.20.1#820001)