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This issue was reported manually by javatlacati. It already has 1 duplicates Build: NetBeans IDE Dev (Build 201610040002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.77-b03, Java(TM) SE Runtime Environment, 1.8.0_77-b03 OS: Windows 10 User Comments: javatlacati: opened POM Stacktrace: java.lang.NoSuchMethodError: org.apache.maven.DefaultMaven.newRepositorySession(Lorg/apache/maven/execution/MavenExecutionRequest;)Lorg/sonatype/aether/RepositorySystemSession; at org.netbeans.modules.maven.hints.pom.StatusProvider.runMavenValidationImpl(StatusProvider.java:403) at org.netbeans.modules.maven.hints.pom.StatusProvider.runMavenValidation(StatusProvider.java:361) at org.netbeans.modules.maven.hints.pom.StatusProvider.access$300(StatusProvider.java:120) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.findHints(StatusProvider.java:185) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.checkHints(StatusProvider.java:179) at org.netbeans.modules.maven.hints.pom.StatusProvider$StatusProviderImpl.access$000(StatusProvider.java:132)
Created attachment 162774 [details] stacktrace
maven.hints referred an outdated maven.embedder version, which might have caused the issue after an update from the UC. will fix that. another thing is that from looking on your messages.log file - there is a lot of other exceptions and your netbeans install seems to be quite messed up. the best would be that you uninstall and install NB again. perhaps also remove your userdir.
*** Bug 268831 has been marked as a duplicate of this bug. ***
fixed in jet-main #87c1a73d5a4c
Integrated into 'main-silver', will be available in build *201611090620* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-silver/rev/87c1a73d5a4c User: Tomas Stupka <tstupka@netbeans.org> Log: Issue #268830 - NoSuchMethodError: org.apache.maven.DefaultMaven.newRepositorySession(Lorg/apache/maven/execution/MavenExecutionRequest;)Lorg/sonatype/aether/RepositorySystemSession;