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https://issues.apache.org/jira/browse/NIFI-5175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Witt reopened NIFI-5175:
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[~jtstorck] I reopened this because I believe some work remains.
I am running on Linux Java 10.0.1 and by default the application does not
startup and work. I was getting javax jaxb bind exceptions on startup.
However, if I add the following line to the conf/bootstrap.conf then it works
perfectly
java.arg.17=--add-modules=java.xml.bind
I dont think this will work in Java 8 so we cannot keep it as default yet.
However, we possibly could if we also add
java.arg.17=--add-modules=java.xml.bind
java.arg.18=-XX:+IgnoreUnrecognizedVMOptions
I didn't test that combo though. I bring this up because in your PR i see
you're attempting to set the java.xml.bind value in RunNiFi code but it appears
this does not work in Java 10. We should try to fix it so things will just
work in Java 8/10/etc.. without user intervention but worst case we can
document how to make it work in Java 10 if we must (and should then backout the
special code?)
> NiFi built with Java 1.8 needs to run on Java 9
> -----------------------------------------------
>
> Key: NIFI-5175
> URL: https://issues.apache.org/jira/browse/NIFI-5175
> Project: Apache NiFi
> Issue Type: Sub-task
> Reporter: Jeff Storck
> Assignee: Jeff Storck
> Priority: Major
> Fix For: 1.7.0
>
>
> The following issues have been encountered while attempting to run a Java
> 1.8-built NiFi on Java 9:
> ||Issue||Solution||Status||
> |JAXB classes cannot be found on the classpath|Add
> "--add-modules=java.xml.bind" to the commant that starts NiFi|Done|
> |NiFI boostrap not able to determine PID, restarts nifi after nifi.sh
> stop|Detect if NiFi is running on Java 9, and reflectively invoke
> Process.pid(), which was newly added to the Process API in Java 9|Done|
>
> ----
>
> ||Unaddressed issues/warnings with NiFi compiled on Java 1.8 running on Java
> 9+||Description||Solution||
> |WARNING: An illegal reflective access operation has occurred
> ..._specific class usage snipped_...
> WARNING: Use --illegal-access=warn to enable warnings of further illegal
> reflective access operations
> WARNING: All illegal access operations will be denied in a future
> release|Reflective invocations are common in the code used in NiFi and its
> dependencies in Java 1.8|Full compliant migration to Java 9 and use
> dependencies that are Java 9 compliant|
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