Affects PMD Version:
7.1.0.
Description:
This code:
public <T extends Number> T foo() {
return null;
}
public Stream<Number> bar() {
return Stream.of(foo());
}
Leads to:
Exception Stacktrace:
org.apache.commons.lang3.exception.ContextedRuntimeException: java.lang.IllegalArgumentException: Bad intersection, unrelated class types java.lang.Object[] and java.lang.Number in [java.lang.Number, java.lang.Object[]]
Exception Context:
[1:Resolving type of=!debug only! [MethodCall:81:10]Stream.of(foo())]
[2:Rule applied on node=!debug only! [MethodCall:81:10]Stream.of(foo())]
---------------------------------
at net.sourceforge.pmd.util.AssertionUtil.contexted(AssertionUtil.java:236)
at net.sourceforge.pmd.lang.java.ast.AbstractJavaTypeNode.getTypeMirror(AbstractJavaTypeNode.java:54)
at net.sourceforge.pmd.lang.java.ast.ASTMethodCall.getTypeMirror(ASTMethodCall.java:22)
at net.sourceforge.pmd.lang.java.ast.AbstractJavaTypeNode.getTypeMirror(AbstractJavaTypeNode.java:39)
at net.sourceforge.pmd.lang.java.ast.ASTMethodCall.getTypeMirror(ASTMethodCall.java:22)
at net.sourceforge.pmd.lang.java.ast.AbstractJavaTypeNode.forceTypeResolution(AbstractJavaTypeNode.java:29)
at net.sourceforge.pmd.lang.java.ast.AbstractInvocationExpr.getOverloadSelectionInfo(AbstractInvocationExpr.java:27)
at net.sourceforge.pmd.lang.java.ast.ASTMethodCall.getOverloadSelectionInfo(ASTMethodCall.java:22)
at net.sourceforge.pmd.lang.java.ast.InvocationNode.getMethodType(InvocationNode.java:48)
at net.sourceforge.pmd.lang.java.rule.internal.TestFrameworksUtil.isCallOnAssertionContainer(TestFrameworksUtil.java:166)
at net.sourceforge.pmd.lang.java.rule.bestpractices.JUnitAssertionsShouldIncludeMessageRule.visit(JUnitAssertionsShouldIncludeMessageRule.java:37)
at net.sourceforge.pmd.lang.java.ast.ASTMethodCall.acceptVisitor(ASTMethodCall.java:75)
at net.sourceforge.pmd.lang.java.ast.AbstractJavaNode.acceptVisitor(AbstractJavaNode.java:38)
at net.sourceforge.pmd.lang.java.rule.AbstractJavaRule.apply(AbstractJavaRule.java:30)
at net.sourceforge.pmd.lang.rule.RuleReference.apply(RuleReference.java:415)
at net.sourceforge.pmd.lang.rule.internal.RuleApplicator.applyOnIndex(RuleApplicator.java:77)
at net.sourceforge.pmd.lang.rule.internal.RuleApplicator.apply(RuleApplicator.java:57)
at net.sourceforge.pmd.lang.rule.internal.RuleSets.apply(RuleSets.java:155)
at net.sourceforge.pmd.lang.impl.PmdRunnable.processSource(PmdRunnable.java:140)
at net.sourceforge.pmd.lang.impl.PmdRunnable.run(PmdRunnable.java:80)
at java.base@21.0.2/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572)
at java.base@21.0.2/java.util.concurrent.FutureTask.run(FutureTask.java:317)
at java.base@21.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at java.base@21.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base@21.0.2/java.lang.Thread.run(Thread.java:1583)
Code Sample demonstrating the issue:
See above.
Steps to reproduce:
Run PMD on that code.
Running PMD through: [CLI | Ant | Maven | Gradle | Designer | Other]
Gradle.
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