What is RemoteException?
What is RemoteException?
A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call. Each method of a remote interface, an interface that extends java. rmi. Remote , must list RemoteException in its throws clause.
What is android os RemoteException?
os. RemoteException is a actually just a base class for other Binder related exceptions and that it is a subclass, android. os. DeadObjectException , which is thrown within the native code of Binder.
What is SQL exception in Java?
An exception that provides information on a database access error or other errors. Each SQLException provides several kinds of information: a string describing the error. This is used as the Java Exception message, available via the method getMesasge .
What is Unicast remote object in Java?
The UnicastRemoteObject class defines a non-replicated remote object whose references are valid only while the server process is alive. The UnicastRemoteObject class provides support for point-to-point active object references (invocations, parameters, and results) using TCP streams.
Can SQLException be thrown?
The following subclasses of SQLException can also be thrown: BatchUpdateException is thrown when an error occurs during a batch update operation. In addition to the information provided by SQLException , BatchUpdateException provides the update counts for all statements that were executed before the error occurred.
What is JDBC ODBC bridge driver in java?
The JDBC-ODBC Bridge allows applications written in the Java programming language to use the JDBC API with many existing ODBC drivers. The Bridge is itself a driver based on JDBC technology (“JDBC driver”) that is defined in the class sun. The Bridge defines the JDBC sub-protocol odbc.
Why should we extend UnicastRemoteObject?
The UnicastRemoteObject class provides support for point-to-point active object references (invocations, parameters, and results) using TCP streams. Objects that require remote behavior should extend RemoteObject, typically via UnicastRemoteObject.
What is Unicast communication?
Unicast is the term used to describe communication where a piece of information is sent from one point to another point. Unicast transmission, in which a packet is sent from a single source to a specified destination, is still the predominant form of transmission on LANs and within the Internet.
Is SQLException checked or unchecked?
The classes that directly inherit the Throwable class except RuntimeException and Error are known as checked exceptions. For example, IOException, SQLException, etc. Checked exceptions are checked at compile-time.
Why is SQL exception thrown?
When JDBC encounters an error during an interaction with a data source, it throws an instance of SQLException as opposed to Exception . (A data source in this context represents the database to which a Connection object is connected.)
Which JDBC driver is efficient?
Which driver is efficient and always preferable for using JDBC applications? Type 4 Driver is a Database-Protocol Driver(Pure Java Driver). Its implementation allows the conversion of JDBC calls directly into a vendor-specific database protocol.
When to use a RemoteException in Java?
A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call. Each method of a remote interface, an interface that extends java.rmi.Remote, must list RemoteException in its throws clause.
When to use an exception in MSH RemoteException?
Exception used to wrap the error coming from remote instance of Msh. This remote instance of Msh can be in a separate process, appdomain or machine. Initializes a new instance of the RemoteException class with serialized data.
Which is an example of remote method invocation in Java?
The Java Remote Method Invocation (RMI) application programming interface (API) enables client and server communications over the net. Typically, client programs send requests to a server program, and the server program responds to those requests. A common example is sharing a word processing program over a network.
Which is the main method of the remoteserver?
The main method installs the RMISecurityManager and creates a name to use to look up the RemoteServer server object. The args [0] parameter provides the name of the server host.
