Using JDK 11 to develop apps with the Atlassian SDK is not yet supported

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Platform notice: Server and Data Center only. This article only applies to Atlassian products on the server and data center platforms.

Summary

Using JDK 11 with the Atlassian SDK is not yet supported - see AMPS-1541 - Getting issue details... STATUS

Environment

Atlassian SDK <= 8.2 ( as of this article, see bug report for eventual version supporting JDK 11 )


.

Diagnosis

Attempting to compile with the Atlassian SDK and JDK 11 results in the following:

$ rm -rf target && atlas-package 

[INFO] Project POM found

Executing: 
/Applications/Atlassian/atlassian-plugin-sdk-8.2.6/apache-maven-3.5.4/bin/mvn
 package -gs 
/Applications/Atlassian/atlassian-plugin-sdk-8.2.6/apache-maven-3.5.4/conf/settings.xml

Exception in thread "main" java.lang.NullPointerException
	at java.base/java.io.Reader.<init>(Reader.java:167)
	at java.base/java.io.InputStreamReader.<init>(InputStreamReader.java:72)
	at org.twdata.maven.trap.Dispatcher.getInterceptorsResourceBufferedReader(Dispatcher.java:67)
	at org.twdata.maven.trap.Dispatcher.getMavenInterceptors(Dispatcher.java:45)
	at org.twdata.maven.trap.Dispatcher.main(Dispatcher.java:21)
	at org.twdata.maven.trap.App.main(App.java:18)


Solution

Continue using JDK 8 to compile. The resulting app should work in JDK 11 without issue

Last modified on Apr 13, 2021

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