Comments (14)
dirk-thomas
commented on July 23, 2024
1
I would keep the logic simple and point to a single page / ticket which than provides enough information to guide the user further.
from rclpy.
dirk-thomas
commented on July 23, 2024
Same as https://discourse.ros.org/t/ros2-debugmodulenotfounderror-no-module-named-rclpy--rclpy/2401
from rclpy.
sloretz
commented on July 23, 2024
Possibly due to missing VS2015 redistributable libraries? Dependency Walker reports these as missing
API-MS-WIN-CORE-APIQUERY-L1-1-0.DLL
API-MS-WIN-CORE-APPCOMPAT-L1-1-1.DLL
API-MS-WIN-CORE-APPINIT-L1-1-0.DLL
API-MS-WIN-CORE-ATOMS-L1-1-0.DLL
API-MS-WIN-CORE-COMM-L1-1-0.DLL
API-MS-WIN-CORE-CONSOLE-L1-1-0.DLL
API-MS-WIN-CORE-CONSOLE-L2-1-0.DLL
API-MS-WIN-CORE-CRT-L1-1-0.DLL
API-MS-WIN-CORE-CRT-L2-1-0.DLL
API-MS-WIN-CORE-DATETIME-L1-1-1.DLL
API-MS-WIN-CORE-DATETIME-L1-1-2.DLL
API-MS-WIN-CORE-DEBUG-L1-1-1.DLL
API-MS-WIN-CORE-DELAYLOAD-L1-1-1.DLL
API-MS-WIN-CORE-ERRORHANDLING-L1-1-1.DLL
API-MS-WIN-CORE-ERRORHANDLING-L1-1-3.DLL
API-MS-WIN-CORE-FIBERS-L1-1-1.DLL
API-MS-WIN-CORE-FIBERS-L2-1-1.DLL
API-MS-WIN-CORE-FILE-L1-2-1.DLL
API-MS-WIN-CORE-FILE-L1-2-2.DLL
API-MS-WIN-CORE-FILE-L2-1-1.DLL
API-MS-WIN-CORE-FILE-L2-1-2.DLL
API-MS-WIN-CORE-HANDLE-L1-1-0.DLL
API-MS-WIN-CORE-HEAP-L1-2-0.DLL
API-MS-WIN-CORE-HEAP-L2-1-0.DLL
API-MS-WIN-CORE-HEAP-OBSOLETE-L1-1-0.DLL
API-MS-WIN-CORE-INTERLOCKED-L1-2-0.DLL
API-MS-WIN-CORE-IO-L1-1-1.DLL
API-MS-WIN-CORE-JOB-L1-1-0.DLL
API-MS-WIN-CORE-KERNEL32-LEGACY-L1-1-1.DLL
API-MS-WIN-CORE-KERNEL32-PRIVATE-L1-1-1.DLL
API-MS-WIN-CORE-LARGEINTEGER-L1-1-0.DLL
API-MS-WIN-CORE-LIBRARYLOADER-L1-2-0.DLL
API-MS-WIN-CORE-LIBRARYLOADER-L1-2-1.DLL
API-MS-WIN-CORE-LIBRARYLOADER-L2-1-0.DLL
API-MS-WIN-CORE-LOCALIZATION-L1-2-1.DLL
API-MS-WIN-CORE-LOCALIZATION-L2-1-0.DLL
API-MS-WIN-CORE-LOCALIZATION-OBSOLETE-L1-3-0.DLL
API-MS-WIN-CORE-LOCALIZATION-PRIVATE-L1-1-0.DLL
API-MS-WIN-CORE-MEMORY-L1-1-2.DLL
API-MS-WIN-CORE-NAMEDPIPE-L1-2-0.DLL
API-MS-WIN-CORE-NAMEDPIPE-L1-2-1.DLL
API-MS-WIN-CORE-NAMESPACE-L1-1-0.DLL
API-MS-WIN-CORE-NORMALIZATION-L1-1-0.DLL
API-MS-WIN-CORE-PATH-L1-1-0.DLL
API-MS-WIN-CORE-PERFCOUNTERS-L1-1-0.DLL
API-MS-WIN-CORE-PRIVATEPROFILE-L1-1-1.DLL
API-MS-WIN-CORE-PROCESSENVIRONMENT-L1-2-0.DLL
API-MS-WIN-CORE-PROCESSSNAPSHOT-L1-1-0.DLL
API-MS-WIN-CORE-PROCESSTHREADS-L1-1-2.DLL
API-MS-WIN-CORE-PROCESSTHREADS-L1-1-3.DLL
API-MS-WIN-CORE-PROCESSTOPOLOGY-L1-2-0.DLL
API-MS-WIN-CORE-PROFILE-L1-1-0.DLL
API-MS-WIN-CORE-PSAPI-ANSI-L1-1-0.DLL
API-MS-WIN-CORE-PSAPI-L1-1-0.DLL
API-MS-WIN-CORE-QUIRKS-L1-1-0.DLL
API-MS-WIN-CORE-REALTIME-L1-1-0.DLL
API-MS-WIN-CORE-REGISTRY-L1-1-0.DLL
API-MS-WIN-CORE-REGISTRY-L1-1-1.DLL
API-MS-WIN-CORE-REGISTRYUSERSPECIFIC-L1-1-0.DLL
API-MS-WIN-CORE-RTLSUPPORT-L1-2-0.DLL
API-MS-WIN-CORE-SHLWAPI-LEGACY-L1-1-0.DLL
API-MS-WIN-CORE-SHLWAPI-OBSOLETE-L1-2-0.DLL
API-MS-WIN-CORE-SIDEBYSIDE-L1-1-0.DLL
API-MS-WIN-CORE-STRING-L1-1-0.DLL
API-MS-WIN-CORE-STRING-L2-1-0.DLL
API-MS-WIN-CORE-STRING-L2-1-1.DLL
API-MS-WIN-CORE-STRING-OBSOLETE-L1-1-0.DLL
API-MS-WIN-CORE-STRINGANSI-L1-1-0.DLL
API-MS-WIN-CORE-SYNCH-L1-1-0.DLL
API-MS-WIN-CORE-SYNCH-L1-2-0.DLL
API-MS-WIN-CORE-SYNCH-L1-2-1.DLL
API-MS-WIN-CORE-SYSINFO-L1-2-1.DLL
API-MS-WIN-CORE-SYSINFO-L1-2-3.DLL
API-MS-WIN-CORE-SYSTEMTOPOLOGY-L1-1-0.DLL
API-MS-WIN-CORE-THREADPOOL-L1-2-0.DLL
API-MS-WIN-CORE-THREADPOOL-LEGACY-L1-1-0.DLL
API-MS-WIN-CORE-THREADPOOL-PRIVATE-L1-1-0.DLL
API-MS-WIN-CORE-TIMEZONE-L1-1-0.DLL
API-MS-WIN-CORE-URL-L1-1-0.DLL
API-MS-WIN-CORE-UTIL-L1-1-0.DLL
API-MS-WIN-CORE-VERSION-L1-1-0.DLL
API-MS-WIN-CORE-VERSION-L1-1-1.DLL
API-MS-WIN-CORE-VERSION-PRIVATE-L1-1-0.DLL
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API-MS-WIN-CORE-VERSIONANSI-L1-1-1.DLL
API-MS-WIN-CORE-WINDOWSERRORREPORTING-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-ERROR-L1-1-1.DLL
API-MS-WIN-CORE-WOW64-L1-1-0.DLL
API-MS-WIN-CORE-WOW64-L1-1-1.DLL
API-MS-WIN-CORE-XSTATE-L2-1-0.DLL
API-MS-WIN-CRT-CONIO-L1-1-0.DLL
API-MS-WIN-CRT-CONVERT-L1-1-0.DLL
API-MS-WIN-CRT-ENVIRONMENT-L1-1-0.DLL
API-MS-WIN-CRT-FILESYSTEM-L1-1-0.DLL
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API-MS-WIN-CRT-LOCALE-L1-1-0.DLL
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API-MS-WIN-CRT-UTILITY-L1-1-0.DLL
API-MS-WIN-EVENTING-CLASSICPROVIDER-L1-1-0.DLL
API-MS-WIN-EVENTING-CONSUMER-L1-1-0.DLL
API-MS-WIN-EVENTING-CONTROLLER-L1-1-0.DLL
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API-MS-WIN-EVENTING-PROVIDER-L1-1-0.DLL
API-MS-WIN-SECURITY-APPCONTAINER-L1-1-0.DLL
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API-MS-WIN-SERVICE-PRIVATE-L1-1-0
API-MS-WIN-SERVICE-PRIVATE-L1-1-1.DLL
API-MS-WIN-SERVICE-WINSVC-L1-2-0.DLL
LIBEAY32.DLL
API-MS-WIN-APPMODEL-IDENTITY-L1-2-0.DLL
API-MS-WIN-APPMODEL-RUNTIME-INTERNAL-L1-1-0.DLL
API-MS-WIN-APPMODEL-RUNTIME-L1-1-0.DLL
API-MS-WIN-APPMODEL-RUNTIME-L1-1-1.DLL
API-MS-WIN-APPMODEL-STATE-L1-2-0.DLL
API-MS-WIN-APPMODEL-UNLOCK-L1-1-0.DLL
API-MS-WIN-BASE-UTIL-L1-1-0.DLL
API-MS-WIN-CORE-CALENDAR-L1-1-0.DLL
API-MS-WIN-CORE-COM-L1-1-0
API-MS-WIN-CORE-COM-L1-1-1.DLL
API-MS-WIN-CORE-COM-L2-1-1.DLL
API-MS-WIN-CORE-COM-MIDLPROXYSTUB-L1-1-0.DLL
API-MS-WIN-CORE-COM-PRIVATE-L1-1-0.DLL
API-MS-WIN-CORE-COM-PRIVATE-L1-1-1.DLL
API-MS-WIN-CORE-DEBUG-L1-1-0.DLL
API-MS-WIN-CORE-DELAYLOAD-L1-1-0.DLL
API-MS-WIN-CORE-ERRORHANDLING-L1-1-0.DLL
API-MS-WIN-CORE-FIBERS-L1-1-0.DLL
API-MS-WIN-CORE-FILE-L1-1-0.DLL
API-MS-WIN-CORE-FILE-L1-2-0.DLL
API-MS-WIN-CORE-FILE-L2-1-0.DLL
API-MS-WIN-CORE-HEAP-L1-1-0.DLL
API-MS-WIN-CORE-INTERLOCKED-L1-1-0.DLL
API-MS-WIN-CORE-IO-L1-1-0.DLL
API-MS-WIN-CORE-JOB-L2-1-0.DLL
API-MS-WIN-CORE-KERNEL32-LEGACY-L1-1-0.DLL
API-MS-WIN-CORE-KERNEL32-LEGACY-L1-1-3.DLL
API-MS-WIN-CORE-KERNEL32-PRIVATE-L1-1-2.DLL
API-MS-WIN-CORE-LIBRARYLOADER-L1-1-0.DLL
API-MS-WIN-CORE-LOCALIZATION-L1-1-0.DLL
API-MS-WIN-CORE-LOCALIZATION-L1-2-0.DLL
API-MS-WIN-CORE-LOCALIZATION-L1-2-2.DLL
API-MS-WIN-CORE-LOCALIZATION-OBSOLETE-L1-2-0.DLL
API-MS-WIN-CORE-LOCALREGISTRY-L1-1-0.DLL
API-MS-WIN-CORE-MARSHAL-L1-1-0.DLL
API-MS-WIN-CORE-MEMORY-L1-1-0.DLL
API-MS-WIN-CORE-MISC-L1-1-0.DLL
API-MS-WIN-CORE-PROCESSENVIRONMENT-L1-1-0.DLL
API-MS-WIN-CORE-PROCESSTHREADS-L1-1-0.DLL
API-MS-WIN-CORE-PROCESSTHREADS-L1-1-1.DLL
API-MS-WIN-CORE-PROCESSTOPOLOGY-OBSOLETE-L1-1-0.DLL
API-MS-WIN-CORE-PSM-APPNOTIFY-L1-1-0.DLL
API-MS-WIN-CORE-PSM-KEY-L1-1-0.DLL
API-MS-WIN-CORE-REALTIME-L1-1-1.DLL
API-MS-WIN-CORE-REGISTRY-L2-2-0.DLL
API-MS-WIN-CORE-REGISTRY-PRIVATE-L1-1-0.DLL
API-MS-WIN-CORE-RTLSUPPORT-L1-1-0.DLL
API-MS-WIN-CORE-SHUTDOWN-L1-1-1.DLL
API-MS-WIN-CORE-SYSINFO-L1-1-0.DLL
API-MS-WIN-CORE-SYSINFO-L1-2-0.DLL
API-MS-WIN-CORE-TOOLHELP-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-ERRORPRIVATE-L1-1-1.DLL
API-MS-WIN-CORE-WINRT-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-PROPERTYSETPRIVATE-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-PROPERTYSETPRIVATE-L1-1-1.DLL
API-MS-WIN-CORE-WINRT-REGISTRATION-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-ROBUFFER-L1-1-0.DLL
API-MS-WIN-CORE-WINRT-STRING-L1-1-0.DLL
API-MS-WIN-COREUI-SECRUNTIME-L1-1-0.DLL
API-MS-WIN-CRT-PRIVATE-L1-1-0.DLL
API-MS-WIN-DEVICES-CONFIG-L1-1-1.DLL
API-MS-WIN-DEVICES-QUERY-L1-1-1.DLL
API-MS-WIN-DOWNLEVEL-ADVAPI32-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-ADVAPI32-L2-1-0.DLL
API-MS-WIN-DOWNLEVEL-NORMALIZ-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-OLE32-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-SHELL32-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-SHLWAPI-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-SHLWAPI-L2-1-0.DLL
API-MS-WIN-DOWNLEVEL-SHLWAPI-L2-1-1.DLL
API-MS-WIN-DOWNLEVEL-USER32-L1-1-0.DLL
API-MS-WIN-DOWNLEVEL-VERSION-L1-1-0.DLL
API-MS-WIN-DX-D3DKMT-L1-1-0.DLL
API-MS-WIN-EVENTING-LEGACY-L1-1-0.DLL
API-MS-WIN-EVENTLOG-LEGACY-L1-1-0.DLL
API-MS-WIN-GDI-DPIINFO-L1-1-0.DLL
API-MS-WIN-MM-JOYSTICK-L1-1-0.DLL
API-MS-WIN-MM-MISC-L1-1-1.DLL
API-MS-WIN-MM-MISC-L2-1-0.DLL
API-MS-WIN-MM-MME-L1-1-0.DLL
API-MS-WIN-MM-TIME-L1-1-0.DLL
API-MS-WIN-NTUSER-IE-MESSAGE-L1-1-0.DLL
API-MS-WIN-NTUSER-SYSPARAMS-L1-1-0.DLL
API-MS-WIN-OLE32-IE-L1-1-0.DLL
API-MS-WIN-POWER-BASE-L1-1-0.DLL
API-MS-WIN-POWER-SETTING-L1-1-0.DLL
API-MS-WIN-RTCORE-NTUSER-CLIPBOARD-L1-1-0.DLL
API-MS-WIN-RTCORE-NTUSER-PRIVATE-L1-1-0.DLL
API-MS-WIN-RTCORE-NTUSER-PRIVATE-L1-1-1.DLL
API-MS-WIN-RTCORE-NTUSER-SYNCH-L1-1-0.DLL
API-MS-WIN-RTCORE-NTUSER-WINDOW-L1-1-0.DLL
API-MS-WIN-RTCORE-NTUSER-WINEVENT-L1-1-0.DLL
API-MS-WIN-SECURITY-ACCESSHLPR-L1-1-0.DLL
API-MS-WIN-SECURITY-ACTIVEDIRECTORYCLIENT-L1-1-0.DLL
API-MS-WIN-SECURITY-ACTIVEDIRECTORYCLIENT-L1-1-1.DLL
API-MS-WIN-SECURITY-BASE-L1-1-0.DLL
API-MS-WIN-SECURITY-CAPABILITY-L1-1-0.DLL
API-MS-WIN-SECURITY-CREDENTIALS-L1-1-0.DLL
API-MS-WIN-SECURITY-CREDENTIALS-L2-1-0.DLL
API-MS-WIN-SECURITY-CRYPTOAPI-L1-1-0.DLL
API-MS-WIN-SECURITY-GROUPPOLICY-L1-1-0.DLL
API-MS-WIN-SECURITY-LSALOOKUP-L1-1-1.DLL
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API-MS-WIN-SECURITY-LSALOOKUP-L2-1-1.DLL
API-MS-WIN-SECURITY-LSAPOLICY-L1-1-0.DLL
API-MS-WIN-SECURITY-PROVIDER-L1-1-0.DLL
API-MS-WIN-SECURITY-SDDL-L1-1-0.DLL
API-MS-WIN-SECURITY-SDDLPARSECOND-L1-1-0.DLL
API-MS-WIN-SERVICE-WINSVC-L1-1-0.DLL
API-MS-WIN-SHCORE-COMHELPERS-L1-1-0.DLL
API-MS-WIN-SHCORE-OBSOLETE-L1-1-0.DLL
API-MS-WIN-SHCORE-REGISTRY-L1-1-1.DLL
API-MS-WIN-SHCORE-SCALING-L1-1-1.DLL
API-MS-WIN-SHCORE-STREAM-L1-1-0.DLL
API-MS-WIN-SHCORE-STREAM-WINRT-L1-1-0.DLL
API-MS-WIN-SHCORE-SYSINFO-L1-1-0.DLL
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API-MS-WIN-SHCORE-UNICODEANSI-L1-1-0.DLL
API-MS-WIN-SHELL-SHELLCOM-L1-1-0.DLL
API-MS-WIN-SHELL-SHELLFOLDERS-L1-1-0.DLL
API-MS-WIN-SHLWAPI-IE-L1-1-0.DLL
API-MS-WIN-SHLWAPI-WINRT-STORAGE-L1-1-1.DLL
API-MS-WIN-STORAGE-EXPORTS-EXTERNAL-L1-1-0.DLL
API-MS-WIN-STORAGE-EXPORTS-INTERNAL-L1-1-0.DLL
EMCLIENT.DLL
EXT-MS-MF-PAL-L2-1-0.DLL
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EXT-MS-ONECORE-APPMODEL-VEVENTDISPATCHER-L1-1-0.DLL
EXT-MS-ONECORE-DCOMP-L1-1-0.DLL
EXT-MS-ONECORE-ORIENTATION-L1-1-0.DLL
EXT-MS-ONECORE-PHONEINFO-L1-1-0.DLL
EXT-MS-ONECORE-SHELLCHROMEAPI-L1-1-1.DLL
EXT-MS-WIN-ADVAPI32-EVENTINGCONTROLLER-L1-1-0.DLL
EXT-MS-WIN-ADVAPI32-MSI-L1-1-0.DLL
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EXT-MS-WIN-ADVAPI32-PSM-APP-L1-1-0.DLL
EXT-MS-WIN-ADVAPI32-REGISTRY-L1-1-0.DLL
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EXT-MS-WIN-APPXDEPLOYMENTCLIENT-APPXDEPLOY-L1-1-0.DLL
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EXT-MS-WIN-COM-PSMREGISTER-L1-1-0.DLL
EXT-MS-WIN-COM-SUSPENDRESILIENCY-L1-1-0.DLL
EXT-MS-WIN-CORE-WINRT-REMOTE-L1-1-0.DLL
EXT-MS-WIN-DEVMGMT-POLICY-L1-1-0.DLL
EXT-MS-WIN-DOMAINJOIN-NETJOIN-L1-1-0.DLL
EXT-MS-WIN-DWMAPIDXGI-EXT-L1-1-0.DLL
EXT-MS-WIN-EDPUTIL-POLICY-L1-1-0.DLL
EXT-MS-WIN-FAMILYSAFETY-CHILDACCOUNT-L1-1-0.DLL
EXT-MS-WIN-FECLIENT-ENCRYPTEDFILE-L1-1-0.DLL
EXT-MS-WIN-FIREWALLAPI-WEBPROXY-L1-1-0.DLL
EXT-MS-WIN-GDI-DC-CREATE-L1-1-1.DLL
EXT-MS-WIN-GDI-DC-L1-2-0.DLL
EXT-MS-WIN-GDI-DEVCAPS-L1-1-0.DLL
EXT-MS-WIN-GDI-DRAW-L1-1-1.DLL
EXT-MS-WIN-GDI-DRAW-L1-1-2.DLL
EXT-MS-WIN-GDI-FONT-L1-1-1.DLL
EXT-MS-WIN-GDI-FONT-L1-1-2.DLL
EXT-MS-WIN-GDI-METAFILE-L1-1-1.DLL
EXT-MS-WIN-GDI-PATH-L1-1-0.DLL
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EXT-MS-WIN-GPAPI-GROUPPOLICY-L1-1-0.DLL
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EXT-MS-WIN-KERNEL32-ERRORHANDLING-L1-1-0.DLL
EXT-MS-WIN-KERNEL32-FILE-L1-1-0.DLL
EXT-MS-WIN-KERNEL32-LOCALIZATION-L1-1-0.DLL
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EXT-MS-WIN-KERNEL32-PACKAGE-L1-1-1.DLL
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EXT-MS-WIN-KERNEL32-QUIRKS-L1-1-1.DLL
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EXT-MS-WIN-KERNELBASE-PROCESSTHREAD-L1-1-0.DLL
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EXT-MS-WIN-MPR-MULTIPLEPROVIDERROUTER-L1-1-0.DLL
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EXT-MS-WIN-NTDSAPI-ACTIVEDIRECTORYCLIENT-L1-1-0.DLL
EXT-MS-WIN-NTDSAPI-ACTIVEDIRECTORYCLIENT-L1-1-1.DLL
EXT-MS-WIN-NTUSER-DC-ACCESS-EXT-L1-1-0.DLL
EXT-MS-WIN-NTUSER-DIALOGBOX-L1-1-1.DLL
EXT-MS-WIN-NTUSER-DIALOGBOX-L1-1-2.DLL
EXT-MS-WIN-NTUSER-DRAW-L1-1-1.DLL
EXT-MS-WIN-NTUSER-DRAW-L1-1-2.DLL
EXT-MS-WIN-NTUSER-GUI-L1-3-0.DLL
EXT-MS-WIN-NTUSER-KEYBOARD-L1-1-1.DLL
EXT-MS-WIN-NTUSER-KEYBOARD-L1-2-0.DLL
EXT-MS-WIN-NTUSER-MENU-L1-1-2.DLL
EXT-MS-WIN-NTUSER-MESSAGE-L1-1-1.DLL
EXT-MS-WIN-NTUSER-MESSAGE-L1-1-2.DLL
EXT-MS-WIN-NTUSER-MISC-L1-3-0.DLL
EXT-MS-WIN-NTUSER-MISC-L1-5-0.DLL
EXT-MS-WIN-NTUSER-MOUSE-L1-1-0.DLL
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EXT-MS-WIN-NTUSER-RECTANGLE-EXT-L1-1-0.DLL
EXT-MS-WIN-NTUSER-ROTATIONMANAGER-L1-1-0.DLL
EXT-MS-WIN-NTUSER-STRING-L1-1-0.DLL
EXT-MS-WIN-NTUSER-SYNCH-L1-1-0.DLL
EXT-MS-WIN-NTUSER-UICONTEXT-EXT-L1-1-0.DLL
EXT-MS-WIN-NTUSER-WINDOW-L1-1-1.DLL
EXT-MS-WIN-NTUSER-WINDOW-L1-1-3.DLL
EXT-MS-WIN-NTUSER-WINDOWCLASS-L1-1-1.DLL
EXT-MS-WIN-NTUSER-WINDOWSTATION-L1-1-1.DLL
EXT-MS-WIN-OLE32-BINDCTX-L1-1-0.DLL
EXT-MS-WIN-OLE32-IE-EXT-L1-1-0.DLL
EXT-MS-WIN-OLE32-OLEAUTOMATION-L1-1-0.DLL
EXT-MS-WIN-PROFILE-EXTENDER-L1-1-0.DLL
EXT-MS-WIN-PROFILE-LOAD-L1-1-0.DLL
EXT-MS-WIN-PROFILE-USERENV-L1-1-0.DLL
EXT-MS-WIN-RPC-SSL-L1-1-0.DLL
EXT-MS-WIN-RTCORE-GDI-DEVCAPS-L1-1-0.DLL
EXT-MS-WIN-RTCORE-GDI-OBJECT-L1-1-0.DLL
EXT-MS-WIN-RTCORE-GDI-RGN-L1-1-0.DLL
EXT-MS-WIN-RTCORE-GDI-RGN-L1-1-1.DLL
EXT-MS-WIN-RTCORE-MINUSER-PRIVATE-EXT-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-DC-ACCESS-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-DPI-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-IAM-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-INTEGRATION-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-SYNCH-EXT-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-SYSCOLORS-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-SYSPARAMS-L1-1-0.DLL
EXT-MS-WIN-RTCORE-NTUSER-WINDOW-EXT-L1-1-0.DLL
EXT-MS-WIN-SECUR32-TRANSLATENAME-L1-1-0.DLL
EXT-MS-WIN-SECURITY-CAPAUTHZ-L1-1-0.DLL
EXT-MS-WIN-SECURITY-CHAMBERS-L1-1-0.DLL
EXT-MS-WIN-SECURITY-CREDUI-L1-1-0.DLL
EXT-MS-WIN-SECURITY-EFS-L1-1-0.DLL
EXT-MS-WIN-SESSION-USERMGR-L1-1-0.DLL
EXT-MS-WIN-SESSION-USERTOKEN-L1-1-0.DLL
EXT-MS-WIN-SESSION-WINSTA-L1-1-0.DLL
EXT-MS-WIN-SESSION-WTSAPI32-L1-1-0.DLL
EXT-MS-WIN-SETUPAPI-INF-L1-1-0.DLL
EXT-MS-WIN-SHELL-DIRECTORY-L1-1-0.DLL
EXT-MS-WIN-SHELL-PROPSYS-L1-1-0.DLL
EXT-MS-WIN-SHELL-SHELL32-L1-2-0.DLL
EXT-MS-WIN-SHELL-SHLWAPI-L1-1-0.DLL
EXT-MS-WIN-SHELL32-SHELLCOM-L1-1-0.DLL
EXT-MS-WIN-SXS-OLEAUTOMATION-L1-1-0.DLL
EXT-MS-WIN-UI-VIEWMANAGEMENT-L1-1-0.DLL
EXT-MS-WIN-USP10-L1-1-0.DLL
EXT-MS-WIN-WER-UI-L1-1-0.DLL
EXT-MS-WIN-WER-XBOX-L1-1-0.DLL
EXT-MS-WIN-WINRT-STORAGE-L1-1-0.DLL
EXT-MS-WIN-WLAN-ONEXUI-L1-1-0.DLL
IESHIMS.DLL
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mikaelarguedas
commented on July 23, 2024
also similar to ros2/ros2#360 (comment)
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mikaelarguedas
commented on July 23, 2024
Installing openssl fixed the problem, added to the installation instructions in https://github.com/ros2/ros2/wiki/Windows-Install-Binary/_compare/3bb08f69ccbba3841af5b481d5263815165ae314...1089afdf20f981940c50a222e96f4c6a591b6de2.
The issue is that since beta2 we ship fastrtps with security. So we need some openssl dlls to be able to run our programs. The error message given by python is not clear at all. I tracked it down when trying to run c++ code that gave a much clearer like: "libEAY32.dll is missing".
Installing openSSL fixed both c++ and Python examples
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dirk-thomas
commented on July 23, 2024
Can you look into the raised ImportError and what it's members contain (msg, name, path, args). Maybe there is some useful information in there?
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dhood
commented on July 23, 2024
this might explain users having issues with OSX binaries since we shipped with security, too
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sloretz
commented on July 23, 2024
@dirk-thomas Here are the members, haven't tried installing openssl yet
>>> try:
... import rclpy
... except Exception as e:
... print(dir(e))
... print ("args", e.args, "msg", e.msg, "name", e.name, "path", e.path)
...
['__cause__', '__class__', '__context__', '__delattr__', '__dict__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__le__', '__lt__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setstate__', '__sizeof__', '__str__', '__subclasshook__', '__suppress_context__', '__traceback__', 'args', 'msg', 'name', 'path', 'with_traceback']
args ('DLL load failed: The specified module could not be found.',) msg DLL load failed: The specified module could not be found. name _rclpy path C:\dev\ros2\Lib\site-packages\rclpy\_rclpy.pyd
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mikaelarguedas
commented on July 23, 2024
Thanks @sloretz for posting this. I can't reproduce it anymore... Removing env variable and openssl DLLs from the path is not enough. Uninstalling OpenSSL is not enough either o_O. Not sure how to get back in the broken state...
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dirk-thomas
commented on July 23, 2024
Since e.path points to the loaded module we could add some logic in case of this exception which checks that this file actually exists and if it does print a message which indicates that dependencies of that library are likely missing and optionally include a guess what the user might need / point to a wiki page providing a detailed description.
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mikaelarguedas
commented on July 23, 2024
Since e.path points to the loaded module we could add some logic in case of this exception which checks that this file actually exists and if it does print a message which indicates that dependencies of that library are likely missing and optionally include a guess what the user might need / point to a wiki page providing a detailed description.
Given that the error still doesnt give anything more than the module, guessing which missing dll is the cause may be hard. We could check the os and based on the platform point to the "install dependencies" section of the corresponding wiki page but I'm not sure we can give much clearer explanation given the little context we have. Or we can link to a single wiki page that says "you're likely missing dependencies" and store the corresponding links on that page.
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mikaelarguedas
commented on July 23, 2024
Uninstalling OpenSSL is not enough either o_O. Not sure how to get back in the broken state...
Follow up on this: looks like uninstalling openssl didnt remove the culprit dll from System32 that's why it's still working. Removing it by hand allows me to reproduce
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sloretz
commented on July 23, 2024
@dirk-thomas did you mean that ros2cli would print the warning, or that it would be printed from here?
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dirk-thomas
commented on July 23, 2024
It needs to be handled in rclpy wrapping the line you referenced.
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Related Issues (20)
- [design question] get_parameter exception choice HOT 5
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