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Hello, I have the following issue as seen in the screenshots. I dragged in the ClientBP and use TCP-Socket with BSON in the Game-Settings. The IP is the one from the Ubuntu-System (Hostname -I)

Any idea what I am doing wrong?

If you used one of the provided message classes, which were not tested before, please let us know here!

Just post a message with the message class that you used and if it worked or not.
(maybe even the error! 🎉)

Not sure what is happening exactly, but connection is not established -- I see no incoming connections on ROS side and on iOS side I see this log output:

[2021.12.06-23.27.43:612][  0]LogIOS:  FSocketSubsystemIOS::InternalBSDSocketFactory
[2021.12.06-23.27.43:612][  0]LogSockets: Warning: Tried to connect with an address with protocol IPv4 using a socket with protocol IPv6
[2021.12.06-23.27.43:612][  0]LogROSBridge: Error: Could not connect to: 192.168.0.17:9090
[2021.12.06-23.27.43:612][  0]LogROSBridge: Warning: You first have to initialize your ROSTopic before you Subscribe to it.

Trying TCP connection (WebSocket connection crashes right away when app starts).
I thought that it might be expecting IPv6 address and modified UTCPConnection::Initialize call by specifying protocol type:

TSharedRef<FInternetAddr> InternetAddress = ISocketSubsystem::Get(PLATFORM_SOCKETSUBSYSTEM)->CreateInternetAddr(FNetworkProtocolTypes::IPv4);

However, it didn't help. Any ideas on why connection can not be established or how can I get more info on what the problem is?

Hi all,

Ran into this error when attempting to build:
(Running UE5.0.3 on Windows10)

UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C2143: syntax error: missing ';' before ''
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C2238: unexpected token(s) preceding ';'
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Messages\sensor_msgs\ROSMsgCompressedImage.cpp(10): error C2065: 'ImageWrapperModule': undeclared identifier
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Messages\sensor_msgs\ROSMsgCompressedImage.cpp(63): error C2065: 'ImageWrapperModule': undeclared identifier
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Messages\sensor_msgs\ROSMsgCompressedImage.cpp(84): error C2065: 'ImageWrapperModule': undeclared identifier
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Messages\sensor_msgs\ROSMsgCompressedImage.cpp(84): error C2737: 'DetectedFormat': const object must be initialized
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Messages\sensor_msgs\ROSMsgCompressedImage.cpp(89): error C2065: 'ImageWrapperModule': undeclared identifier
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\ROSBridgeConnection.cpp(134): error C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Socket\TCPConnection.cpp(124): error C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Socket\TCPConnection.cpp(154): error C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Private\Socket\WebSockConnection.cpp(4): fatal error C1083: Cannot open include file: 'HttpModule.h': No such file or directory
PackagingResults: Error: missing ';' before ''
UATHelper: Packaging (Windows): [11/15] Compile ROSTestGameModeBase.cpp
UATHelper: Packaging (Windows): [12/15] Compile Module.Rosbridge2Unreal.gen.cpp
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C2143: syntax error: missing ';' before ''
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
UATHelper: Packaging (Windows): E:\UnrealProjects\Project\Plugins\ROSBridge2Unreal\Source\Rosbridge2Unreal\Public\Messages\sensor_msgs\ROSMsgCompressedImage.h(50): error C2238: unexpected token(s) preceding ';'
PackagingResults: Error: missing ';' before ''

Any help would be greatly appreciated, thanks!