Mark Payne created NIFI-9882:
--------------------------------
Summary: 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
Fix For: 1.17.0
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)
