Olivier Lamy created MBUILDCACHE-56:
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Summary: NPE with mojo parameters not declared as fields (prevent
any saving of cache)
Key: MBUILDCACHE-56
URL: https://issues.apache.org/jira/browse/MBUILDCACHE-56
Project: Maven Build Cache Extension
Issue Type: Bug
Affects Versions: 1.0.0
Reporter: Olivier Lamy
Assignee: Olivier Lamy
Fix For: 1.0.1
such field from m-enforcer-p
https://github.com/apache/maven-enforcer/blame/master/maven-enforcer-plugin/src/main/java/org/apache/maven/plugins/enforcer/EnforceMojo.java#L192
is creating an NPE when trying saving the cache content because there is no
field but a method!
This makes the cache extension totally not usable.
{code}
java.lang.NullPointerException: Cannot invoke
"java.lang.reflect.Field.setAccessible(boolean)" because "field" is null
at org.codehaus.plexus.util.ReflectionUtils.getValueIncludingSuperclasses
(ReflectionUtils.java:177)
at org.apache.maven.buildcache.CacheControllerImpl.recordMojoProperties
(CacheControllerImpl.java:612)
at org.apache.maven.buildcache.CacheControllerImpl.buildExecutionInfo
(CacheControllerImpl.java:579)
at org.apache.maven.buildcache.CacheControllerImpl.save
(CacheControllerImpl.java:440)
at org.apache.maven.buildcache.BuildCacheMojosExecutionStrategy.execute
(BuildCacheMojosExecutionStrategy.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:160)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:105)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:73)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
(SingleThreadedBuilder.java:53)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:118)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:260)
at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:172)
at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:100)
at org.apache.maven.cli.MavenCli.execute (MavenCli.java:821)
at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:270)
at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:77)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:568)
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)
{code}
Ideally we should check if there is a field and throw IAE in this case.
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