[jira] [Updated] (NIFI-5176) NiFi needs to be buildable on Java 9+

["Jeff Storck (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-5176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeff Storck updated NIFI-5176:
------------------------------
    Summary: NiFi needs to be buildable on Java 9+  (was: NiFi needs to be buildable on Java 9)

> NiFi needs to be buildable on Java 9+
> -------------------------------------
>
>                 Key: NIFI-5176
>                 URL: https://issues.apache.org/jira/browse/NIFI-5176
>             Project: Apache NiFi
>          Issue Type: Sub-task
>            Reporter: Jeff Storck
>            Assignee: Jeff Storck
>            Priority: Major
>
> While retaining a source/target comptability of 1.8, NiFi needs to be buildable on Java 9.
> The following issues have been encountered while attempting to run a Java 1.8-built NiFi on Java 9:
> ||Issue||Solution||
> |Groovy compiler not parsing groovy code correctly on Java 9|Updated maven-compiler-plugin to 3.7.0, and included dependencies for groovy-eclipse-compiler:2.9.3-01 and groovy-eclipse-batch:2.4.15-01|
> |Antler3 issue with ambiguous method calls|Explicit cast to ValidationContext needed in TestHL7Query.java|
> |jaxb2-maven-plugin not compatible with Java 9|Switched to maven-jaxb-plugin|
> |hbase-client:1.1.2 depends on jdk.tools:jdk.tools:1.7|Excluded this dependency *(needs testing)*|
> |-nifi-enrich-processors uses package com.sun.jndi.dns, which does not exist-|-Required addition of- -add-modules=jdk.naming.dns --add-exports=jdk.naming.dns/com.sun.jndi.dns=ALL-UNNAMED, which prevents the usage of compiling with the --release option (to compile only against public APIs in the JDK) from being used.  Not an optimal solution.-|
> |groovy-eclipse-compiler not working with Java 10|-Switched to gmaven-plus- Updated to groovy-eclipse-compiler:2.9.3-01 and groovy-eclipse-batch:2.4.15-01|
> |groovy-eclipse-batch:2.4.13-01 could not find JDK base classes|Updated to groovy-eclipse-batch:2.4.15-01 and grooy-all:2.4.15|
> |maven-surefire-plugin:2.20.1 throws null pointer exceptions|Switched to version 2.22.0|
> |okhttp client builder requires X509TrustManager on Java 9+|Added methods to return TrustManager instances with the SSLContext created by SSLContextFactory and updated HttpNotificationService to use the paired TrustManager|
> |nifi-runtime groovy tests aren't running|Added usage of build-helper-maven-plugin to explicitly add src/test/groovy to force groovy compilation of test sources.  groovy-eclipse-compiler skips src/test/groovy if src/test/java doesn't exist, which is the case for nifi-runtime. (See [NIFI-5341|https://issues.apache.org/jira/browse/NIFI-5341] for reference)|



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