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These are "sometimes" files - they inconsistently show up depending on what bundle you install.

That seems wrong. Can you also doublecheck these?

./lib/visualvm/platform/config/ModuleAutoDeps/org-openide-filesystems.xml
./lib/visualvm/platform/config/Modules/org-netbeans-modules-autoupdate-cli.xml
./lib/visualvm/platform/modules/locale/org-netbeans-modules-autoupdate-cli_ja.jar
./lib/visualvm/platform/modules/locale/org-netbeans-modules-autoupdate-cli_zh_CN.jar
./lib/visualvm/platform/modules/org-netbeans-modules-autoupdate-cli.jar
./lib/visualvm/platform/update_tracking/org-netbeans-modules-autoupdate-cli.xml
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yet more

./lib/visualvm/profiler/lib/deployed/jdk15/solaris-sparc
./lib/visualvm/profiler/lib/deployed/jdk15/solaris-sparc/libprofilerinterface.so
./lib/visualvm/profiler/lib/deployed/jdk16/linux-arm
./lib/visualvm/profiler/lib/deployed/jdk16/linux-arm/libprofilerinterface.so
./lib/visualvm/profiler/lib/deployed/jdk16/solaris-sparc
./lib/visualvm/profiler/lib/deployed/jdk16/solaris-sparc/libprofilerinterface.so

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Should these files still be in Solaris' version of JDK8 b111?

./lib/visualvm/profiler/lib/deployed/jdk15/solaris-i386
./lib/visualvm/profiler/lib/deployed/jdk15/solaris-i386/libprofilerinterface.so
./lib/visualvm/profiler/lib/deployed/jdk16/solaris-i386
./lib/visualvm/profiler/lib/deployed/jdk16/solaris-i386/libprofilerinterface.so