![]() ![]() : Connection has been shutdown: : : Unexpected error: : the trustAnchors parameter must be non-empty 13:16:15,728 DEBUG .HttpConnection - Exception caught when closing output 13:16:15,728 DEBUG .HttpConnection - enter HttpConnection.closeSockedAndStreams() 13:16:15,727 DEBUG .HttpConnection - enter HttpConnection.close() 13:16:15,727 DEBUG .HttpMethodDirector - Closing the connection. 13:16:15,489 DEBUG .HttpConnection - enter HttpConnection.flushRequestOutputStream() 13:16:15,489 DEBUG .HttpConnection - enter HttpConnection.write(byte, int, int) 13:16:15,489 DEBUG .HttpConnection - enter HttpConnection.write(byte) 13:16:15,488 DEBUG .HttpConnection - enter HttpConnection.writeLine() 13:16:15,488 DEBUG .HttpConnection - enter HttpConnection.print(String) 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.addProx圜onnectionHeader(HttpState, HttpConnection) 13:16:15,488 DEBUG .cookie.CookieSpec - enter CookieSpecBase.match(String, int, String, boolean, Cookie) 13:16:15,488 DEBUG .HttpState - enter HttpState.getCookies() 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.addCookieRequestHeader(HttpState, HttpConnection) 13:16:15,488 DEBUG .HttpMethodBase - Adding Host request header 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.addHostRequestHeader(HttpState, HttpConnection) 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.addUserAgentRequestHeaders(HttpState, HttpConnection) 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.addRequestHeaders(HttpState, HttpConnection) 13:16:15,488 DEBUG .HttpMethodBase - enter HttpMethodBase.writeRequestHeaders(HttpState,HttpConnection) 13:16:15,488 DEBUG .HttpConnection - enter HttpConnection.write(byte, int, int) 13:16:15,488 DEBUG .HttpConnection - enter HttpConnection.write(byte) 13:16:15,487 DEBUG .HttpConnection - enter HttpConnection.print(String) I'm trying to get Thunderbird to work with DavMail. You'll learn more in this section.I installed Kubuntu 18.04. The use of exceptions to manage errors has some advantages over traditional error-management techniques. This section explains the correct and incorrect use of the unchecked exceptions indicated by subclasses of RuntimeException. The try-with-resources statement ensures that each resource is closed at the end of the statement. A resource is as an object that must be closed after the program is finished with it. This section describes the try-with-resources statement, which is a try statement that declares one or more resources. ![]() This section covers the throw statement and the Throwable class and its subclasses. The discussion includes the try, catch, and finally blocks, as well as chained exceptions and logging. This section covers how to catch and handle exceptions. This lesson describes when and how to use exceptions.Īn exception is an event that occurs during the execution of a program that disrupts the normal flow of instructions. The Java programming language uses exceptions to handle errors and other exceptional events.
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