Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

NPE during analysis

See original GitHub issue

Hi, when doing analysis I get this error:

Analyzing directoy '/home/vnoel/Linagora/Petals/dev/git/petals/container/petals-esb-default-zip'...
possible options: quiet, nofetch, offline, profiles
analyzing '/home/vnoel/Linagora/Petals/dev/git/petals/container/petals-esb-default-zip'
loaded 1 projects


loaded projects:
org.ow2.petals:petals-esb-default-zip:5.0.3-SNAPSHOT (/home/vnoel/Linagora/Petals/dev/git/petals/container/petals-esb-default-zip/pom.xml)
Read profiles to use in the analyze...
fetching missing parents and boms...
fetched missing projects, 5 resolved projects and 0 unresolved projects
adding projects to graph
Cannot add project org.ow2.petals:petals-esb-default-zip:5.0.3-SNAPSHOT (/home/vnoel/Linagora/Petals/dev/git/petals/container/petals-esb-default-zip/pom.xml) to graph. Cause: null
java.lang.NullPointerException
fr.lteconsulting.pomexplorer.Project.getDeclaredDependencyManagement(Project.java:538)
fr.lteconsulting.pomexplorer.Project.getLocalDependencyManagement(Project.java:450)
fr.lteconsulting.pomexplorer.model.transitivity.DependencyNode.collectDependencyManagement(DependencyNode.java:39)
fr.lteconsulting.pomexplorer.Project.buildDependencyTree(Project.java:798)
fr.lteconsulting.pomexplorer.Project.getDependencyTree(Project.java:654)
fr.lteconsulting.pomexplorer.PomAnalyzer.addProjectToGraph(PomAnalyzer.java:138)
fr.lteconsulting.pomexplorer.PomAnalyzer.analyze(PomAnalyzer.java:85)
fr.lteconsulting.pomexplorer.commands.AnalyzeCommand.directory(AnalyzeCommand.java:28)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
fr.lteconsulting.pomexplorer.commands.Commands.takeCommand(Commands.java:248)
fr.lteconsulting.pomexplorer.AppFactory$1.onWebsocketMessage(AppFactory.java:169)
fr.lteconsulting.pomexplorer.webserver.WebServer$3$1.lambda$onFullTextMessage$0(WebServer.java:190)
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
java.util.concurrent.FutureTask.run(FutureTask.java:266)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:745)

I ran it with the debugger and apparently dependencyMap is null!

Issue Analytics

State:
Created 7 years ago
Comments:5 (3 by maintainers)

Top GitHub Comments

1reaction

gcaliscommented, Sep 28, 2016

The quick fix I applied was to add a null check at Project.Java line 531: if( projectProfiles != null && dependencyMap != null)

0reactions

ltearnocommented, Dec 8, 2016

Thanks to you both, it’s already a long time ago, and i could not find any time before today to re-open the project. Your commit fixes the problem, thank you!

Top Results From Across the Web

NPE annotation scenarios and static-analysis tools for Java

NPE annotation scenarios and static-analysis tools for Java ... Here is a number of code snippets that can throw NullPointerException. 01: public void...

Retrofitting null-safety onto Java at Meta

We developed a new static analysis tool called Nullsafe that is used at Meta to detect NullPointerException (NPE) errors in Java code.

Null Pointer Static Analysis

If this happens, we could end up with an NPE when working with fullName. The static null-safety analysis enables tools to report such...

NPE.STAT - Klocwork Static Code Analysis

NPE.STAT is reported for the result of a method call being dereferenced when the source code of the method is unavailable, but statistics...

How to Fix and Avoid NullPointerException in Java - Rollbar

The java.lang.NullPointerException is a runtime exception in Java that occurs when a variable is accessed which is not pointing to any ...