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https://issues.apache.org/jira/browse/NIFI-3853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Gilman updated NIFI-3853:
------------------------------
Description:
If invalid characters are entered through the UI, they can corrupt the
flow.xml.gz making it unparsable on future restarts. Once in this state, the
flow.xml.gz needs to be hand-edited to remove the invalid characters. The
following characters may cause issues:
{code}
#x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
{code}
was:
If invalid characters are entered through the UI, they can corrupt the
flow.xml.gz making it unparsable on future restarts. Once in this state, the
flow.xml.gz needs to be hand-edited to remove the invalid characters. The
following characters may cause issues:
{code}
#x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
{code}
{code}
[#x7F-#x84] | [#x86-#x9F]
{code}
> Escape configurations prior to writing flow.xml
> -----------------------------------------------
>
> Key: NIFI-3853
> URL: https://issues.apache.org/jira/browse/NIFI-3853
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Matt Gilman
> Assignee: Matt Gilman
> Priority: Critical
>
> If invalid characters are entered through the UI, they can corrupt the
> flow.xml.gz making it unparsable on future restarts. Once in this state, the
> flow.xml.gz needs to be hand-edited to remove the invalid characters. The
> following characters may cause issues:
> {code}
> #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
> {code}
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