Tony Homer created ARCHETYPE-585:
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Summary: Missing null check causes NullPointerException
Key: ARCHETYPE-585
URL: https://issues.apache.org/jira/browse/ARCHETYPE-585
Project: Maven Archetype
Issue Type: Bug
Components: Archetypes
Affects Versions: 3.1.2
Reporter: Tony Homer
RemoteCatalogArchetypeDataSource.getArchetypeCatalog calls
[RemoteCatalogArchetypeDataSource.getMirror|https://github.com/apache/maven-archetype/blob/maven-archetype-3.1.2/archetype-common/src/main/java/org/apache/maven/archetype/source/RemoteCatalogArchetypeDataSource.java#L86].
RemoteCatalogArchetypeDataSource.getMirror calls legacySupport.getSession, then
[invokes getRequest on the returned
value|https://github.com/apache/maven-archetype/blob/maven-archetype-3.1.2/archetype-common/src/main/java/org/apache/maven/archetype/source/RemoteCatalogArchetypeDataSource.java#L299]
with no null check.
When the legacySupport session is null, this results in a NullPointerException.
The fix is to add a null check before calling session.getRequest.
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