I have tried out this websocket- example from github.com/eis/jboss-websocket-demo and get the following Exception:
08:16:46,008 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/websocket-web-app].[fi.eis.applications.jboss.poc.websocket.servlets.MyWebSocketServlet]] (http-localhost-127.0.0.1-8080-3) Servlet.service() for servlet fi.eis.applications.jboss.poc.websocket.servlets.MyWebSocketServlet threw exception: java.lang.IllegalStateException: cannot upgrade connection
Actually I don't know what to do in order to get it done.
I would be very thankfull if someone could give me a hint what to do.
Thanks a lot and all the best!
Related
A java.lang.NullPointerException exception has occurred.
However, the system should continue working without further problems.
When I create a class, I get this error.
Can you help me fix this error?
An unhandled exception occurred while processing the request.
MissingMethodException: Method not found: 'Microsoft.Extensions.Primitives.StringValues Microsoft.AspNetCore.Http.IHeaderDictionary.get_Authorization()'.
Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler.HandleAuthenticateAsync() error occur when i implement jwt authentication in .netcore can anyone help me to solve this problem.
I'm using geoserver-2.20.3.war together with Apache Tomcat/9.0.36 on Linux. Everything works as it should but if i try to access the server status via the web administration interface i only get Error messages. I can't really figure out the problem and how to fix it.
`HTTP Status 500 – Internal Server Error
Type Exception Report
Message Handler dispatch failed; nested exception is java.lang.InternalError: java.lang.reflect.InvocationTargetException
Beschreibung The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.InternalError: java.lang.reflect.InvocationTargetException
...
Root Cause
java.lang.InternalError: java.lang.reflect.InvocationTargetException
...
Root Cause
java.lang.reflect.InvocationTargetException
...
Root Cause
java.lang.NullPointerException
java.desktop/sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1262)
java.desktop/sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:225)
java.desktop/sun.awt.FontConfiguration.init(FontConfiguration.java:107)
java.desktop/sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:719)
...
I tried to find a similar issue but unfortunately did not stumble over something really helpful.
I found a solution! The problem were missing fonts. After following these very helpful steps by Andreas Ahlenstorf and installing the font-package dejavu-fonts on linux everything works fine.
Why do I get this error when calling pyapal api in sandbox environment?
I don't know how to start debugging this problem.
Thanks.
Here is part of stacktrace"
Caused by: com.paypal.sdk.exceptions.TransactionException: (403)Forbidden
at com.paypal.sdk.core.soap.SOAPAPICaller.callSOAP(SOAPAPICaller.java:473)
....
Caused by: (403)Forbidden
at org.apache.axis.transport.http.HTTPSender.readFromSocket(HTTPSender.java:744)
I found a post with the exact same error message that you are receiving:
Stack Error Message 403 Forbidden
There are two answers that give a detailed explanation as to why this error message is being received and how to resolve it.
This is a standard HTTP error. Here is a link to the PayPal documentation just in case you need it:
PayPal Developer API Reference
I have setup the Nuget.Server and the SymbolSource Server Basic in one solution when I run the "self diagnostics tool" I get the following exception, anyone have a clue what this is?
The URL I am accessing is
http://localhost/Home/NuGetPushTest
Method not found: 'Void NuGet.PackageServer.PushPackage(System.String,
System.IO.Stream, Int32)'.
Description: An unhandled exception occurred during the execution of
the current web request. Please review the stack trace for more
information about the error and where it originated in the code.
Exception Details: System.MissingMethodException: Method not found:
'Void NuGet.PackageServer.PushPackage(System.String, System.IO.Stream,
Int32)'.
Source Error:
An unhandled exception was generated during the execution of the
current web request. Information regarding the origin and location of
the exception can be identified using the exception stack trace below.