Using JDK 11 to develop apps with the Atlassian SDK is not yet supported
Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
Using JDK 11 with the Atlassian SDK is not yet supported - see Unable to locate Jira server for this macro. It may be due to Application Link configuration.
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