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https://issues.apache.org/jira/browse/NIFI-5175?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16478898#comment-16478898
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ASF subversion and git services commented on NIFI-5175:
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Commit 807e1e5c7a6e0af1917bbdf912cd9bc17561ae2a in nifi's branch
refs/heads/master from [~jtstorck]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=807e1e5 ]
NIFI-5175 Updated NiFi compiled on Java 1.8 to run on Java 9
The bootstrap process (RunNiFi) detects Java 9 and adds
"--add-modules=java.xml.bind" to the command to start NiFi
Updated OSUtils to detect Java 9 and reflectively invoke the Process.pid()
method to get the PID of the NiFi process
Added java debug variable to nifi.sh to allow debugging of the bootstrap
process (RunNiFi)
This closes #2708
Signed-off-by: Mike Thomsen <[email protected]>
> 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
>
> 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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