[Issue with NoneType object returned for get_navmesh()]
start_navmesh_baking is SUCCESS but get_navmesh is None.
Isaac Sim Version
4.5.0
Operating System
Ubuntu 22.04
GPU Information
- Model: 4090D
- Driver Version: 570.86.16
Topic Description
import isaacsim
from omni.isaac.kit import SimulationApp
import os
pwd = os.getcwd()
CONFIG = {
"width": 1280,
"height": 720,
"headless": True,
"renderer": "PathTracing",
# "samples_per_pixel_per_frame": 16,
"multi_gpu": True,
}
kit = SimulationApp(launch_config=CONFIG)
import omni
omni.usd.get_context().open_stage(os.path.join(pwd, "my.usd"))
from isaacsim.core.api import World
from omni.isaac.core.utils.stage import is_stage_loading
import omni.anim.navigation.core as nav
world = World(
stage_units_in_meters=1.0,
physics_dt=1.0 / 60.0,
rendering_dt=1 / 10.0
)
while is_stage_loading():
kit.update()
world.play()
stage = omni.usd.get_context().get_stage()
inav = nav.acquire_interface()
baking_status = inav.start_navmesh_baking()
if baking_status:
print("baking success")
else:
print("baking failed")
inav_i = 0
while inav.get_navmesh() is None and inav_i <50:
kit.update()
print("is none" + str(inav_i))
inav_i += 1
if inav.get_navmesh() is not None:
print("suceess get navmesh")
else:
print("failed get navmesh after update 50iter")
Log
[5.350s] [ext: omni.kit.property.material-1.10.17] startup
[5.359s] [ext: omni.isaac.core_nodes-2.0.2] startup
2025-08-01 05:48:18 [5,350ms] [Warning] [omni.isaac.core_nodes] omni.isaac.core_nodes has been deprecated in favor of isaacsim.core.nodes. Please update your code accordingly.
[5.360s] [ext: isaacsim.replicator.behavior-1.0.8] startup
[5.362s] [ext: omni.kit.property.physx-106.5.7] startup
[5.380s] [ext: omni.kit.property.audio-1.0.16] startup
[5.383s] [ext: omni.kit.property.camera-1.0.9] startup
[5.384s] [ext: omni.hydra.scene_api-0.1.2] startup
[5.390s] [ext: omni.kit.property.geometry-1.3.3] startup
[5.394s] [ext: omni.kit.property.light-1.0.11] startup
[5.396s] [ext: isaacsim.app.about-2.0.7] startup
[5.398s] [ext: omni.kit.property.render-1.1.3] startup
[5.399s] [ext: isaacsim.simulation_app-2.4.2] startup
[5.400s] [ext: omni.kit.property.transform-1.5.10] startup
[5.403s] [ext: omni.physx.demos-106.5.7] startup
[5.416s] [ext: isaacsim.gui.property-1.0.4] startup
[5.417s] [ext: omni.isaac.window.about-2.0.2] startup
2025-08-01 05:48:18 [5,408ms] [Warning] [omni.isaac.window.about] omni.isaac.window.about has been deprecated in favor of isaacsim.app.about. Please update your code accordingly.
2025-08-01 05:48:18 [5,408ms] [Warning] [omni.isaac.window.about.about] omni.isaac.window.about.about has been deprecated in favor of isaacsim.app.about.about. Please update your code accordingly.
[5.418s] [ext: omni.kit.manipulator.camera-106.0.3] startup
[5.420s] [ext: omni.isaac.kit-2.0.3] startup
[5.421s] [ext: omni.kit.property.bundle-1.3.2] startup
[5.421s] [ext: omni.physx.vehicle-106.5.7] startup
[5.433s] [ext: omni.kit.property.isaac-1.0.2] startup
2025-08-01 05:48:18 [5,425ms] [Warning] [omni.kit.property.isaac] omni.kit.property.isaac has been deprecated in favor of isaacsim.gui.property. Please update your code accordingly.
2025-08-01 05:48:18 [5,425ms] [Warning] [omni.kit.property.isaac.widgets] omni.kit.property.isaac.widgets has been deprecated in favor of isaacsim.gui.property.widgets. Please update your code accordingly.
[5.436s] [ext: omni.kit.viewport.menubar.camera-107.0.2] startup
[5.446s] [ext: omni.kit.viewport.menubar.lighting-106.0.2] startup
[5.447s] [ext: omni.kit.viewport.menubar.render-107.0.8] startup
[5.452s] [ext: isaacsim.replicator.domain_randomization-1.0.2] startup
[5.457s] [ext: omni.physx.camera-106.5.7] startup
[5.478s] [ext: omni.kit.window.toolbar-1.6.2] startup
[5.484s] [ext: omni.physx.cct-106.5.7] startup
[5.499s] [ext: isaacsim.cortex.framework-1.0.2] startup
[5.500s] [ext: omni.isaac.universal_robots-1.0.2] startup
2025-08-01 05:48:18 [5,492ms] [Warning] [omni.isaac.universal_robots] omni.isaac.universal_robots has been deprecated in favor of isaacsim.robot.manipulators.examples.universal_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,493ms] [Warning] [omni.isaac.universal_robots.kinematics_solver] omni.isaac.franka has been deprecated in favor of isaacsim.robot.manipulators.examples.universal_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,494ms] [Warning] [omni.isaac.universal_robots.ur10] omni.isaac.franka has been deprecated in favor of isaacsim.robot.manipulators.examples.universal_robots. Please update your code accordingly.
[5.504s] [ext: isaacsim.replicator.writers-1.0.1] startup
[5.529s] [ext: omni.physx.graph-106.5.7] startup
[5.556s] [ext: omni.physx.supportui-106.5.7] startup
[5.577s] [ext: omni.isaac.utils-2.0.2] startup
[5.580s] [ext: omni.isaac.cortex-1.0.2] startup
2025-08-01 05:48:18 [5,571ms] [Warning] [omni.isaac.cortex] omni.isaac.cortex has been deprecated in favor of isaacsim.cortex.framework. Please update your code accordingly.
[5.581s] [ext: omni.physx.telemetry-106.5.7] startup
[5.584s] [ext: isaacsim.replicator.examples-1.1.2] startup
[5.585s] [ext: omni.kit.viewport.menubar.settings-107.0.3] startup
[5.595s] [ext: omni.rtx.window.settings-0.6.17] startup
[5.600s] [ext: omni.usd.metrics.assembler-106.5.0] startup
[5.617s] [ext: omni.kit.window.status_bar-0.1.7] startup
[5.620s] [ext: omni.physx.bundle-106.5.7] startup
[5.620s] [ext: omni.replicator.isaac-2.0.3] startup
2025-08-01 05:48:18 [5,611ms] [Warning] [omni.replicator.isaac] omni.replicator.isaac has been deprecated in favor of isaacsim.replicator.domain_randomization, isaacsim.replicator.examples, isaacsim.replicator.writers. Please update your code accordingly.
[5.621s] [ext: omni.replicator.replicator_yaml-2.0.10] startup
[5.630s] [ext: omni.rtx.settings.core-0.6.3] startup
[5.632s] [ext: omni.usd.metrics.assembler.ui-106.5.0] startup
[5.636s] [ext: isaacsim.cortex.behaviors-2.0.3] startup
[5.637s] [ext: omni.isaac.version-2.0.2] startup
2025-08-01 05:48:18 [5,629ms] [Warning] [omni.isaac.version] omni.isaac.version has been deprecated in favor of isaacsim.core.version. Please update your code accordingly.
[5.639s] [ext: semantics.schema.editor-0.3.10] startup
[5.644s] [ext: omni.kit.ui.actions-1.0.2] startup
[5.646s] [ext: semantics.schema.property-1.0.5] startup
[5.647s] [ext: omni.isaac.wheeled_robots-3.0.3] startup
2025-08-01 05:48:18 [5,638ms] [Warning] [omni.isaac.wheeled_robots] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,638ms] [Warning] [omni.isaac.wheeled_robots.controllers] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,638ms] [Warning] [omni.isaac.wheeled_robots.controllers.ackermann_controller] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,638ms] [Warning] [omni.isaac.wheeled_robots.controllers.differential_controller] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.controllers.holonomic_controller] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.controllers.quintic_path_planner] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.controllers.stanley_control] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.controllers.wheel_base_pose_controller] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.impl] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.robots] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.robots.holonomic_robot_usd_setup] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
2025-08-01 05:48:18 [5,639ms] [Warning] [omni.isaac.wheeled_robots.robots.wheeled_robot] omni.isaac.wheeled_robots has been deprecated in favor of isaacsim.robot.wheeled_robots. Please update your code accordingly.
[5.649s] [ext: omni.isaac.cortex.sample_behaviors-2.0.2] startup
2025-08-01 05:48:18 [5,641ms] [Warning] [omni.isaac.cortex.sample_behaviors] omni.isaac.cortex.sample_behaviors has been deprecated in favor of isaacsim.cortex.behaviors. Please update your code accordingly.
[5.651s] [ext: omni.anim.curve.core-1.2.0] startup
[5.663s] [ext: isaacsim.asset.importer.mjcf-2.3.3] startup
[5.673s] [ext: omni.kit.menu.common-1.1.9] startup
[5.676s] [ext: isaacsim.exp.base-4.5.0] startup
[5.677s] [ext: isaacsim.exp.base.python-4.5.0] startup
[5.679s] Simulation App Starting
[5.973s] app ready
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : TLAS limit buffer size 7508933632
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : TLAS limit : valid false, within: false
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : TLAS limit : decrement: 167690, decrement size: 7433845248
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : New limit 9574251 (slope: 447, intercept: 13179904)
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : TLAS limit buffer size 4287216384
2025-08-01 05:48:19 [6,017ms] [Warning] [rtx.scenedb.plugin] SceneDbContext : TLAS limit : valid true, within: true
2025-08-01 05:48:19 [6,120ms] [Warning] [omni.usd-abi.plugin] No setting was found for '/rtx-defaults-transient/meshlights/forceDisable'
2025-08-01 05:48:19 [6,154ms] [Warning] [omni.usd-abi.plugin] No setting was found for '/rtx-defaults/post/dlss/execMode'
[8.472s] Simulation App Startup Complete
2025-08-01 05:48:21 [8,508ms] [Warning] [omni.usd] Unexpected reference count of 2 for UsdStage 'anon:0x6266b89ab490:World0.usd' while being closed in UsdContext (this may indicate it is still resident in memory).
2025-08-01 05:48:21 [8,571ms] [Warning] [omni.usd] Warning: in _GetOrderedXformOps at line 521 of /builds/omniverse/usd-ci/USD/pxr/usd/usdGeom/xformable.cpp -- Unable to get attribute associated with the xformOp 'xformOp:scale', on the prim at path </OmniverseKit_Persp>. Skipping xformOp in the computation of the local transformation at prim.
2025-08-01 05:48:21 [8,572ms] [Warning] [omni.usd] Warning: in _GetOrderedXformOps at line 521 of /builds/omniverse/usd-ci/USD/pxr/usd/usdGeom/xformable.cpp -- Unable to get attribute associated with the xformOp 'xformOp:scale', on the prim at path </OmniverseKit_Front>. Skipping xformOp in the computation of the local transformation at prim.
2025-08-01 05:48:21 [8,573ms] [Warning] [omni.usd] Warning: in _GetOrderedXformOps at line 521 of /builds/omniverse/usd-ci/USD/pxr/usd/usdGeom/xformable.cpp -- Unable to get attribute associated with the xformOp 'xformOp:scale', on the prim at path </OmniverseKit_Top>. Skipping xformOp in the computation of the local transformation at prim.
2025-08-01 05:48:21 [8,573ms] [Warning] [omni.usd] Warning: in _GetOrderedXformOps at line 521 of /builds/omniverse/usd-ci/USD/pxr/usd/usdGeom/xformable.cpp -- Unable to get attribute associated with the xformOp 'xformOp:scale', on the prim at path </OmniverseKit_Right>. Skipping xformOp in the computation of the local transformation at prim.
2025-08-01 05:48:21 [8,583ms] [Warning] [omni.isaac.core.utils.stage] omni.isaac.core.utils.stage has been deprecated in favor of isaacsim.core.utils.stage. Please update your code accordingly.
2025-08-01 05:48:21 [8,741ms] [Warning] [omni.usd] Warning: in _GetOrderedXformOps at line 521 of /builds/omniverse/usd-ci/USD/pxr/usd/usdGeom/xformable.cpp -- Unable to get attribute associated with the xformOp 'xformOp:scale', on the prim at path </OmniverseKit_Front>. Skipping xformOp in the computation of the local transformation at prim.
2025-08-01 05:48:23 [10,046ms] [Warning] [omni.usd] Warning: in AppendProperty at line 858 of /builds/omniverse/usd-ci/USD/pxr/usd/sdf/path.cpp -- Can only append a property 'physics:rigidBodyEnabled' to a prim path (/)
baking success
is none0
is none1
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is none6
is none7
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is none10
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is none12
is none13
is none14
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is none17
is none18
is none19
is none20
is none21
is none22
is none23
is none24
is none25
is none26
is none27
is none28
is none29
is none30
is none31
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failed get navmesh after update 50iter