harmony 鸿蒙Webview Error Codes
Webview Error Codes
NOTE
This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
17100001 WebviewController Not Associated with a Web Component
Error Message
Init error. The WebviewController must be associated with a Web compoent.
Description
This error code is reported when the WebviewController object is not associated with any <Web> component.
Solution
Bind the WebviewController object to a <Web> component.
17100002 Invalid URL
Error Message
Invalid url.
Description
This error code is reported when the URL format is incorrect.
Solution
Verify the URL format.
17100003 Incorrect Resource Path
Error Message
Invalid resource path or file type.
Description
This error code is reported when the path to the resource file is incorrect.
Possible Causes
The resource file does not exist or cannot be accessed.
Solution
Make sure the path to the resource file is correct.
17100004 Function Not Enabled
Error Message
Function not enable.
Description
This error code is reported when the related function is not enabled.
Solution
Make sure the related function is enabled.
17100005 Invalid Cookie Value
Error Message
Invalid cookie value.
Description
This error code is reported when the cookie value type is invalid.
Possible Causes
The cookie value type is not supported.
Solution
Verify the cookie value type.
17100006 Message Port Callback Cannot Be Registered
Error Message
Can not register message event using this port.
Description
This error code is reported when a callback fails to be registered for the message port.
Possible Causes
The port is closed.
Solution
Make sure the port is open.
17100007 Invalid Forward or Backward Operation
Error Message
Invalid back or forward operation.
Description
This error code is reported when the specified forward or backward cannot be performed.
Possible Causes
The browsing history is cleared.
There is no browsing operation corresponding to the forward or backward operation.
Solution
Check whether clearHistory has been performed.
Check whether the number of pages specified by the forward or backward operation is available.
17100008 javaScriptProxy Does Not Exist
Error Message
Cannot delete JavaScriptProxy.
Description
This error code is reported when the javaScriptProxy object to delete does not exist.
Possible Causes
The target javaScriptProxy object is not yet registered.
Solution
Make sure the javaScriptProxy object is registered.
17100009 Zoom Operation Failure
Error Message
Cannot zoom in or zoom out.
Description
This error code is reported when the page cannot be zoomed in or out.
Possible Causes
The zoom ratio has reached its maximum or minimum.
Solution
Check whether the zoom ratio has reached its maximum or minimum.
17100010 Failure to Send Messages Through a Port
Error Message
Cannot post message using this port.
Description
This error code is reported when the current port cannot be used to send messages.
Possible Causes
The local or remote port is closed.
Solution
Make sure the local port is open.
Make sure an onMessageEvent callback is registered for the remote port.
17100011 Invalid Origin
Error Message
Invalid origin.
Description
This error code is reported when the input parameter origin is invalid.
Possible Causes
The origin parameter is empty.
The origin value is invalid.
Solution
Make sure the origin value is valid.
17100012 No Web Storage Origin
Error Message
Invalid web storage origin.
Description
This error code is reported when no web storage origin is available.
Possible Causes
The related JS database API is not used.
Solution
Check whether the JS database API is used.
If the JS database API is used, find out the failure cause, for example, check whether databaseAccess is enabled.
17100013 Invalid Number of Sockets During Preconnection
Error Message
The number of preconnect sockets is invalid.
Description
This error code is reported when the number of sockets to be preconnected is invalid.
Possible Causes
The number of sockets is less than or equal to 0 or greater than 6.
Solution
Make sure the specified number of sockets is greater than 0 and less than or equal to 6.
17100014 Type and Value Mismatch
Error Message
The type does not match with the value of the message.
Description
This error code is reported when the type and value of the message do not match.
Possible Causes
The value of the obtained message does not match the type of the message.
Solution
Call the API based on the message type to obtain the message value. For example, if the type is BOOLEAN, call the GetBoolean API to obtain the Boolean value.
17100015 Memory Allocation Failure
Error Message
New failed, out of memeory.
Description
This error code is reported when memory allocation failed due to insufficient memory.
Possible Causes
The data to send is too large.
Solution
Check the length of the data to be sent.
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