@Pavl_G did you manage to debug your apps using an emulator or just a physical device?
I’m getting this error (java.lang.IllegalStateException: Framebuffer has erronous attachment) when running an empty application:
I/cenemax3dplaye: Not late-enabling -Xcheck:jni (already on)
E/cenemax3dplaye: Unknown bits set in runtime_flags: 0x8000
W/cenemax3dplaye: Unexpected CPU variant for X86 using defaults: x86
W/ActivityThread: Application com.abware.scenemax3dplayer is waiting for the debugger on port 8100...
I/System.out: Sending WAIT chunk
I/System.out: Debugger has connected
I/System.out: waiting for debugger to settle...
I/chatty: uid=10133(com.abware.scenemax3dplayer) identical 5 lines
I/System.out: waiting for debugger to settle...
I/System.out: waiting for debugger to settle...
I/System.out: waiting for debugger to settle...
I/System.out: debugger has settled (1438)
D/libEGL: Emulator has host GPU support, qemu.gles is set to 1.
W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied)
W/RenderThread: type=1400 audit(0.0:41): avc: denied { write } for name="property_service" dev="tmpfs" ino=7425 scontext=u:r:untrusted_app:s0:c133,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0 app=com.abware.scenemax3dplayer
D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so
D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so
D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so
W/cenemax3dplaye: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed)
W/cenemax3dplaye: Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed)
I/JmeSystem: AudioRenderer not set. Defaulting to OpenAL Soft
Running on jMonkeyEngine 3.3.2-stable
* Branch: HEAD
* Git Hash: 1a05e3f
* Build Date: 2020-04-27
I/JmeSystem: AudioRenderer not set. Defaulting to OpenAL Soft
I/com.jme3.system.android.OGLESContext: INFO Android Build Version: 29
D/HostConnection: HostConnection::get() New Host Connection established 0xe2fdb990, tid 8955
HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_unmap_buffer GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_gles_max_version_2
D/EGL_emulation: eglCreateContext: 0xcc00a600: maj 2 min 0 rcv 2
D/EGL_emulation: eglMakeCurrent: 0xcc00a600: ver 2 0 (tinfo 0xe2f4f6e0)
W/Gralloc3: mapper 3.x is not supported
D/HostConnection: HostConnection::get() New Host Connection established 0xdfa6f4e0, tid 8958
D/HostConnection: createUnique: call
D/HostConnection: HostConnection::get() New Host Connection established 0xe2fdba80, tid 8955
HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_unmap_buffer GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_gles_max_version_2
D/HostConnection: HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_unmap_buffer GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_gles_max_version_2
D/EGL_emulation: eglCreateContext: 0xf667f820: maj 2 min 0 rcv 2
D/eglCodecCommon: allocate: Ask for block of size 0x1000
allocate: ioctl allocate returned offset 0x3ff1e0000 size 0x2000
D/EGL_emulation: eglMakeCurrent: 0xf667f820: ver 2 0 (tinfo 0xdfa8bf70)
D/EGL_emulation: eglMakeCurrent: 0xcc00a600: ver 2 0 (tinfo 0xe2f4f6e0)
W/cenemax3dplaye: Accessing hidden method Lsun/nio/ch/DirectBuffer;->cleaner()Lsun/misc/Cleaner; (greylist, reflection, allowed)
Accessing hidden method Lsun/misc/Cleaner;->clean()V (greylist,core-platform-api, reflection, allowed)
W/cenemax3dplaye: Accessing hidden method Lsun/nio/ch/DirectBuffer;->attachment()Ljava/lang/Object; (blacklist, reflection, denied)
W/cenemax3dplaye: Accessing hidden field Ljava/nio/ByteBufferAsFloatBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
Accessing hidden field Ljava/nio/ByteBufferAsIntBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
Accessing hidden field Ljava/nio/ByteBufferAsDoubleBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
Accessing hidden field Ljava/nio/ByteBufferAsShortBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
W/cenemax3dplaye: Accessing hidden field Ljava/nio/ByteBufferAsLongBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
Accessing hidden field Ljava/nio/ByteBufferAsCharBuffer;->bb:Ljava/nio/ByteBuffer; (blacklist, reflection, denied)
I/cenemax3dplaye: Background concurrent copying GC freed 2356(218KB) AllocSpace objects, 1(20KB) LOS objects, 49% free, 1698KB/3396KB, paused 444us total 143.135ms
W/cenemax3dplaye: Verification of void com.jme3.renderer.opengl.GLRenderer.renderMeshDefault(com.jme3.scene.Mesh, int, int, com.jme3.scene.VertexBuffer[]) took 117.921ms
W/cenemax3dplaye: Accessing hidden field Ljava/nio/Buffer;->position:I (greylist, JNI, allowed)
Accessing hidden field Ljava/nio/Buffer;->limit:I (greylist, JNI, allowed)
W/cenemax3dplaye: Accessing hidden field Ljava/nio/Buffer;->_elementSizeShift:I (greylist, JNI, allowed)
Accessing hidden field Ljava/nio/Buffer;->address:J (greylist, JNI, allowed)
E/emuglGLESv2_enc: device/generic/goldfish-opengl/system/GLESv2_enc/GL2Encoder.cpp:s_glGetIntegerv:829 GL error 0x500
I/com.jme3.renderer.opengl.GLRenderer: INFO OpenGL Renderer Information
* Vendor: Google (Google Inc.)
* Renderer: Android Emulator OpenGL ES Translator (Google SwiftShader)
* OpenGL Version: OpenGL ES 2.0 (OpenGL ES 3.0 SwiftShader 4.0.0.1)
* GLSL Version: OpenGL ES GLSL ES 1.0.17
* Profile: Compatibility
W/com.jme3.asset.AssetConfig: WARNING Cannot find loader com.jme3.cursors.plugins.CursorLoader
I/OpenGLRenderer: Davey! duration=852ms; Flags=1, IntendedVsync=2256716724156, Vsync=2256750057488, OldestInputEvent=9223372036854775807, NewestInputEvent=0, HandleInputStart=2256750726900, AnimationStart=2256750852800, PerformTraversalsStart=2256750921200, DrawStart=2256989264400, SyncQueued=2257005264600, SyncStart=2257007802900, IssueDrawCommandsStart=2257011275700, SwapBuffers=2257459045000, FrameCompleted=2257571317800, DequeueBufferDuration=40733000, QueueBufferDuration=246000,
I/Choreographer: Skipped 50 frames! The application may be doing too much work on its main thread.
W/com.jme3.asset.AssetConfig: WARNING Cannot find loader com.jme3.scene.plugins.blender.BlenderModelLoader
I/OpenGLRenderer: Davey! duration=938ms; Flags=1, IntendedVsync=2256786752253, Vsync=2257620085553, OldestInputEvent=9223372036854775807, NewestInputEvent=0, HandleInputStart=2257629408000, AnimationStart=2257629537500, PerformTraversalsStart=2257629606700, DrawStart=2257655940300, SyncQueued=2257660592700, SyncStart=2257660948700, IssueDrawCommandsStart=2257660998300, SwapBuffers=2257662756700, FrameCompleted=2257725184700, DequeueBufferDuration=24707000, QueueBufferDuration=11565000,
D/: PlayerBase::PlayerBase()
D/: TrackPlayerBase::TrackPlayerBase()
I/libOpenSLES: Emulating old channel mask behavior (ignoring positional mask 0x3, using default mask 0x3 based on channel count of 2)
I/AudioTrack: createTrack_l(996278272): AUDIO_OUTPUT_FLAG_FAST successful; frameCount 0 -> 1322
I/com.jme3.audio.openal.ALAudioRenderer: INFO Audio Renderer Information
* Device: OpenAL Soft
* Vendor: OpenAL Community
* Renderer: OpenAL Soft
* Version: 1.1 ALSOFT 1.16.0
* Supported channels: 64
* ALC extensions: ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE ALC_EXT_DEDICATED ALC_EXT_disconnect ALC_EXT_EFX ALC_EXT_thread_local_context ALC_SOFTX_device_clock ALC_SOFTX_HRTF ALC_SOFT_loopback ALC_SOFTX_midi_interface ALC_SOFT_pause_device
* AL extensions: AL_EXT_ALAW AL_EXT_BFORMAT AL_EXT_DOUBLE AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 AL_EXT_IMA4 AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_MULAW AL_EXT_MULAW_BFORMAT AL_EXT_MULAW_MCFORMATS AL_EXT_OFFSET AL_EXT_source_distance_model AL_LOKI_quadriphonic AL_SOFT_block_alignment AL_SOFT_buffer_samples AL_SOFT_buffer_sub_data AL_SOFT_deferred_updates AL_SOFT_direct_channels AL_SOFT_loop_points AL_SOFT_MSADPCM AL_SOFT_source_latency AL_SOFT_source_length
I/com.jme3.audio.openal.ALAudioRenderer: INFO Audio effect extension version: 1.0
I/com.jme3.audio.openal.ALAudioRenderer: INFO Audio max auxiliary sends: 4
E/AndroidRuntime: FATAL EXCEPTION: GLThread 529
Process: com.abware.scenemax3dplayer, PID: 8916
java.lang.IllegalStateException: Framebuffer has erronous attachment.
at com.jme3.renderer.opengl.GLRenderer.checkFrameBufferError(GLRenderer.java:1704)
at com.jme3.renderer.opengl.GLRenderer.updateFrameBuffer(GLRenderer.java:1877)
at com.jme3.renderer.opengl.GLRenderer.setFrameBuffer(GLRenderer.java:2018)
at com.jme3.renderer.RenderManager.renderViewPort(RenderManager.java:1082)
at com.jme3.renderer.RenderManager.render(RenderManager.java:1158)
at com.jme3.app.SimpleApplication.update(SimpleApplication.java:272)
at com.jme3.app.AndroidHarnessFragment.update(AndroidHarnessFragment.java:577)
at com.jme3.system.android.OGLESContext.onDrawFrame(OGLESContext.java:348)
at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1573)
at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1272)
E/com.jme3.app.AndroidHarnessFragment: SEVERE Exception thrown in Thread[GLThread 529,5,main]
java.lang.IllegalStateException: Framebuffer has erronous attachment.
at com.jme3.renderer.opengl.GLRenderer.checkFrameBufferError(GLRenderer.java:1704)
at com.jme3.renderer.opengl.GLRenderer.updateFrameBuffer(GLRenderer.java:1877)
at com.jme3.renderer.opengl.GLRenderer.setFrameBuffer(GLRenderer.java:2018)
at com.jme3.renderer.RenderManager.renderViewPort(RenderManager.java:1082)
at com.jme3.renderer.RenderManager.render(RenderManager.java:1158)
at com.jme3.app.SimpleApplication.update(SimpleApplication.java:272)
at com.jme3.app.AndroidHarnessFragment.update(AndroidHarnessFragment.java:577)
at com.jme3.system.android.OGLESContext.onDrawFrame(OGLESContext.java:348)
at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1573)
at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1272)
D/EGL_emulation: eglMakeCurrent: 0xcc00a600: ver 2 0 (tinfo 0xe2f4f6e0)
D/EGL_emulation: eglMakeCurrent: 0xcc00a600: ver 2 0 (tinfo 0xe2f4f6e0)
I/cenemax3dplaye: Background young concurrent copying GC freed 33409(1434KB) AllocSpace objects, 2(40KB) LOS objects, 36% free, 2677KB/4222KB, paused 563us total 222.204ms
D/EGL_emulation: eglMakeCurrent: 0xcc00a600: ver 2 0 (tinfo 0xe2f4f6e0)