Ondrej created MNG-7546:
---------------------------
Summary: A NullPointerException on recursive propety definition
Key: MNG-7546
URL: https://issues.apache.org/jira/browse/MNG-7546
Project: Maven
Issue Type: Bug
Components: Bootstrap & Build
Affects Versions: 3.8.6
Reporter: Ondrej
A NPE occured when I have changed some versions to a ${...} expression using
find & replace.
That also replaced the property definition:
<{color:#002586}version.testcontainers{color}>${version.testcontainers}</{color:#002586}version.testcontainers{color}>
...
<{color:#002586}dependency{color}><{color:#002586}groupId{color}>org.testcontainers</{color:#002586}groupId{color}><{color:#002586}artifactId{color}>testcontainers</{color:#002586}artifactId{color}><{color:#002586}type{color}>pom</{color:#002586}type{color}><{color:#002586}version{color}>${version.testcontainers}</{color:#002586}version{color}><{color:#002586}scope{color}>test</{color:#002586}scope{color}></{color:#002586}dependency{color}>
This resulted in the following NPE:
{code:java}
/usr/lib/jvm/java-1.18.0-openjdk-amd64/bin/java
-Dmaven.multiModuleProjectDirectory=/home/o/work/tracker-service/tracker-service
-Dmaven.home=/snap/intellij-idea-community/387/plugins/maven/lib/maven3
-Dclassworlds.conf=/snap/intellij-idea-community/387/plugins/maven/lib/maven3/bin/m2.conf
-Dmaven.ext.class.path=/snap/intellij-idea-community/387/plugins/maven/lib/maven-event-listener.jar
-javaagent:/snap/intellij-idea-community/387/lib/idea_rt.jar=46145:/snap/intellij-idea-community/387/bin
-Dfile.encoding=UTF-8 -Dsun.stdout.encoding=UTF-8 -Dsun.stderr.encoding=UTF-8
-classpath
/snap/intellij-idea-community/387/plugins/maven/lib/maven3/boot/plexus-classworlds-2.6.0.jar:/snap/intellij-idea-community/387/plugins/maven/lib/maven3/boot/plexus-classworlds.license
org.codehaus.classworlds.Launcher -Didea.version=2022.2.2 compile
[INFO] Scanning for projects...
[ERROR] Internal error: java.lang.NullPointerException -> [Help 1]
org.apache.maven.InternalErrorException: Internal error:
java.lang.NullPointerException
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:104)
at java.lang.reflect.Method.invoke (Method.java:577)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:347)
at org.codehaus.classworlds.Launcher.main (Launcher.java:47)
Caused by: java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap$MapEntry.setValue
(ConcurrentHashMap.java:3546)
at
org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
(StringVisitorModelInterpolator.java:1429)
at
org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
(StringVisitorModelInterpolator.java:1027)
at
org.apache.maven.model.interpolation.StringVisitorModelInterpolator$ModelVisitor.visit
(StringVisitorModelInterpolator.java:170)
at
org.apache.maven.model.interpolation.StringVisitorModelInterpolator.interpolateModel
(StringVisitorModelInterpolator.java:107)
at org.apache.maven.model.building.DefaultModelBuilder.interpolateModel
(DefaultModelBuilder.java:789)
at org.apache.maven.model.building.DefaultModelBuilder.build
(DefaultModelBuilder.java:393)
at org.apache.maven.project.DefaultProjectBuilder.build
(DefaultProjectBuilder.java:448)
at org.apache.maven.project.DefaultProjectBuilder.build
(DefaultProjectBuilder.java:414)
at org.apache.maven.project.DefaultProjectBuilder.build
(DefaultProjectBuilder.java:377)
at org.apache.maven.graph.DefaultGraphBuilder.collectProjects
(DefaultGraphBuilder.java:414)
at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor
(DefaultGraphBuilder.java:405)
at org.apache.maven.graph.DefaultGraphBuilder.build
(DefaultGraphBuilder.java:82)
at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:507)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:219)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
at jdk.internal.reflect.DirectMethodHandleAccessor.invoke
(DirectMethodHandleAccessor.java:104)
at java.lang.reflect.Method.invoke (Method.java:577)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:347)
at org.codehaus.classworlds.Launcher.main (Launcher.java:47)
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/InternalErrorExceptionProcess
finished with exit code 1
{code}
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