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https://issues.apache.org/jira/browse/DIRSTUDIO-1227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16869188#comment-16869188
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Stefan Seelmann commented on DIRSTUDIO-1227:
--------------------------------------------
We don't have documentation about how to develop a new plugin. The last plugin
that was added to add new value editors was
org.apache.directory.studio.edirectory, that is quite minimal so you may just
copy and adapt it. Otherwise, Studio is based on Eclipse so documentation about
developing Eclipse plugins in the web applies.
> mvn clean install command throwing NPE
> ---------------------------------------
>
> Key: DIRSTUDIO-1227
> URL: https://issues.apache.org/jira/browse/DIRSTUDIO-1227
> Project: Directory Studio
> Issue Type: Outage
> Components: studio-rcp
> Affects Versions: 2.0.0-M14
> Environment: Windows 10
> java 1.8
> Maven 3.6
> Reporter: Raju
> Priority: Critical
> Fix For: 2.0.0-M15
>
> Attachments: MajoFailureError.log, Master Branch Build Success Screen
> .png, Mavaen_apachestuidio_build _MojoFailureException.log, MojoError.log,
> MojoError.log, MojoError.log, image-2019-06-07-15-08-01-089.png,
> image-2019-06-11-22-28-35-791.png, maven_studio_error.log,
> maven_studio_error.log, screenshot-1.png
>
>
> Hi Team,
> I am getting an error on an initial setup with the command
> "{color:#24292e}mvn clean install{color}". here is the error message.
>
> Steps to reproduce the issue is:
> Step 1 : Get the studio code form the repository. {color:#777777}git{color}
> {color:#777777}clone{color}
> {color:#777777}https{color}{color:#777777}:{color}{color:#666666}//{color}{color:#777777}gitbox{color}{color:#777777}.{color}{color:#777777}apache{color}{color:#777777}.{color}{color:#777777}org{color}{color:#666666}/{color}{color:#777777}repos{color}{color:#666666}/{color}{color:#777777}asf{color}{color:#666666}/{color}{color:#777777}directory{color}{color:#666666}-{color}{color:#777777}studio{color}{color:#777777}.{color}{color:#777777}git{color}
>
> Step 2 : {{mvn -f pom-first.xml clean install}} . it was succesfull
> Step 3 : {{mvn clean install, }} after down loading the few dependences I am
> getting null pointer exception like blow
>
>
> [ERROR] Internal error: java.lang.NullPointerException -> [Help 1]
> org.apache.maven.InternalErrorException: Internal error:
> java.lang.NullPointerException
> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120)
> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)
> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)
> at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
> at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke
> (NativeMethodAccessorImpl.java:62)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke
> (DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke (Method.java:498)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
> (Launcher.java:282)
> at org.codehaus.plexus.classworlds.launcher.Launcher.launch
> (Launcher.java:225)
> at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
> (Launcher.java:406)
> at org.codehaus.plexus.classworlds.launcher.Launcher.main
> (Launcher.java:347)
> Caused by: java.lang.NullPointerException
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