[MNG-7825] XML entity in pom cause NPE in MXSerializer during install

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0-alpha-7
• Fix Version/s: 4.0.0-alpha-8, 4.0.0
• Assignee: Guillaume Nodet
• Reporter: Slawomir Jaranowski
• Created: 26/Jun/23 08:57
• Updated: 20/Oct/23 07:57
• Resolved: 03/Jul/23 13:25

Description

When we have a xml entity in project, like:

  <description>test &lt; test</description>

we will have:

Caused by: java.lang.NullPointerException: Cannot invoke "String.length()" because "str" is null
    at java.io.Writer.write (Writer.java:278)
    at org.codehaus.plexus.util.xml.pull.MXSerializer.entityRef (MXSerializer.java:806)
    at org.apache.maven.model.transform.pull.XmlUtils.writeDocument (XmlUtils.java:81)
    at org.apache.maven.model.transform.pull.XmlUtils.writeDocument (XmlUtils.java:40)
    at org.apache.maven.internal.transformation.ConsumerPomArtifactTransformer.transform (ConsumerPomArtifactTransformer.java:195)
    at org.apache.maven.internal.transformation.ConsumerPomArtifactTransformer$ConsumerPomArtifact.lambda$transformer$1 (ConsumerPomArtifactTransformer.java:175)
    at org.apache.maven.internal.transformation.OnChangeTransformer.mayUpdate (OnChangeTransformer.java:93)
    at org.apache.maven.internal.transformation.OnChangeTransformer.get (OnChangeTransformer.java:72)
    at org.apache.maven.internal.transformation.TransformedArtifact.getFile (TransformedArtifact.java:76)
    at org.apache.maven.RepositoryUtils.toArtifact (RepositoryUtils.java:159)
    at org.apache.maven.plugins.install.InstallMojo.processProject (InstallMojo.java:227)
    at org.apache.maven.plugins.install.InstallMojo.execute (InstallMojo.java:144)

works in 3.9.3, 4.0.0-alpha-5
m-install-p - 3.1.1

Issue Links

• is duplicated by: MNG-7831 Install plugin fails with a NPE when rewriting the pom containing escaped chars
• is fixed by: MNG-7830 Switch from plexus-xml to stax / woodstox