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top_components report error: class java.lang.Long cannot be cast to class java.lang.Integer #158

@uqix

Description

@uqix
  • Java version: 21.0.9_10-jre
  • MAT version: 1.16.1
  • Command: mat/ParseHeapDump.sh "test.hprof" "org.eclipse.mat.api:top_components"
  • Log:
[!SESSION 2026-01-14 07:20:57.710 -----------------------------------------------
eclipse.buildId=unknown
java.version=21.0.9
java.vendor=Eclipse Adoptium
BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US
Framework arguments:  -application org.eclipse.mat.api.parse manual-dump.hprof org.eclipse.mat.api:top_components
Command-line arguments:  -os linux -ws gtk -arch x86_64 -consolelog -application org.eclipse.mat.api.parse manual-dump.hprof org.eclipse.mat.api:top_components

!ENTRY org.eclipse.mat.report 4 0 2026-01-14 07:21:37.022
!MESSAGE Ignoring result of 'Top Components' due to class java.lang.Long cannot be cast to class java.lang.Integer (java.lang.Long and java.lang.Integer are in module java.base of loader 'bootstrap')
!STACK 0
java.lang.ClassCastException: class java.lang.Long cannot be cast to class java.lang.Integer (java.lang.Long and java.lang.Integer are in module java.base of loader 'bootstrap')
        at org.eclipse.mat.inspections.component.ComponentReportQuery.addZeroLengthArrays(ComponentReportQuery.java:798)
        at org.eclipse.mat.inspections.component.ComponentReportQuery.execute(ComponentReportQuery.java:147)
        at org.eclipse.mat.query.registry.ArgumentSet.execute(ArgumentSet.java:147)
        at org.eclipse.mat.snapshot.query.SnapshotQuery.execute(SnapshotQuery.java:262)
        at org.eclipse.mat.inspections.component.TopComponentsReportQuery.execute(TopComponentsReportQuery.java:105)
        at org.eclipse.mat.query.registry.ArgumentSet.execute(ArgumentSet.java:147)
        at org.eclipse.mat.query.registry.CommandLine.execute(CommandLine.java:95)
        at org.eclipse.mat.report.internal.QueryPart.execute(QueryPart.java:109)
        at org.eclipse.mat.report.TestSuite.execute(TestSuite.java:134)
        at org.eclipse.mat.internal.apps.ParseSnapshotApp.runReport(ParseSnapshotApp.java:201)
        at org.eclipse.mat.internal.apps.ParseSnapshotApp.parse(ParseSnapshotApp.java:177)
        at org.eclipse.mat.internal.apps.ParseSnapshotApp.start(ParseSnapshotApp.java:112)
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:143)
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:109)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:439)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:271)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
        at java.base/java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:668)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:605)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1481)
        at org.eclipse.equinox.launcher.Main.main(Main.java:1454)

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