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Bug 532927 - [10] NPE in ApiBaseline.initialize during build
Summary: [10] NPE in ApiBaseline.initialize during build
Status: RESOLVED DUPLICATE of bug 532773
Alias: None
Product: PDE
Classification: Eclipse Project
Component: API Tools (show other bugs)
Version: 4.8   Edit
Hardware: PC Windows 7
: P3 normal (vote)
Target Milestone: 4.8 M7   Edit
Assignee: Vikas Chandra CLA
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Reported: 2018-03-27 02:39 EDT by Noopur Gupta CLA
Modified: 2018-03-27 08:29 EDT (History)
3 users (show)

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Description Noopur Gupta CLA 2018-03-27 02:39:28 EDT 
eclipse.buildId=4.8.0.I20180326-2000
java.version=1.8.0_151
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments:  -os win32 -ws win32 -arch x86_64

org.eclipse.pde.api.tools
Error
Tue Mar 27 12:04:35 IST 2018
Errors running builder 'API Analysis Builder' on project 'org.eclipse.jdt.debug.ui'.

java.lang.NullPointerException
	at org.eclipse.pde.api.tools.internal.model.ApiBaseline.initialize(ApiBaseline.java:365)
	at org.eclipse.pde.api.tools.internal.model.ApiBaseline.initialize(ApiBaseline.java:277)
	at org.eclipse.pde.api.tools.internal.model.ApiBaseline.resolveSystemLibrary(ApiBaseline.java:556)
	at org.eclipse.pde.api.tools.internal.model.WorkspaceBaseline.addApiComponents(WorkspaceBaseline.java:57)
	at org.eclipse.pde.api.tools.internal.ApiBaselineManager.createWorkspaceBaseline(ApiBaselineManager.java:678)
	at org.eclipse.pde.api.tools.internal.ApiBaselineManager.getWorkspaceBaseline(ApiBaselineManager.java:609)
	at org.eclipse.pde.api.tools.internal.builder.ApiAnalysisBuilder.build(ApiAnalysisBuilder.java:345)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:795)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:216)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:259)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:312)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:315)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:367)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:388)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:142)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:232)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:60)


Got this during workspace build. I have Jdk 10 also in installed JREs and Jdk 9 is set as default. API baseline used in the workspace is M20180301-0715.
Comment 1 Noopur Gupta CLA 2018-03-27 02:58:45 EDT 
Removing jdk10 from installed JREs fixes the NPE.
Comment 2 Sarika Sinha CLA 2018-03-27 03:00:19 EDT 
Not able to add API baseline when Java 10 is added to the Installed JRE list.

Step:
1. Take Eclipse Photon Build id: I20180326-2000
2. Take Eclipse 473a Build id: M20180326-0400
3. Add Java 10 to the Installed JREs in Eclipse Photon Workspace from step 1
4. Add API baseline as Eclipse 473a from Step 2.
5. Finish is not enabled (Once I got the error stating that no Execution Environment found, not seeing the error message now.)


After removing Java 10, was able to add the same build as API baseline.
Comment 3 Vikas Chandra CLA 2018-03-27 04:25:20 EDT 
Looks duplicate of bug 532773  but I need to investigate further.
Comment 4 Sarika Sinha CLA 2018-03-27 04:57:07 EDT 
I was able to add APIBaseline on 473a build.
Comment 5 Vikas Chandra CLA 2018-03-27 08:29:55 EDT 

*** This bug has been marked as a duplicate of bug 532773 ***