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Your JDBC code may throw the following exception:
"The coordinator has rolled back the transaction.No further JDBC access is permitted within this transaction." The WebLogic JTS JDBC driver throws this exception when the present JDBC connection transaction rolls back prior to or throughout the JDBC call. This exception shows that the transaction in which the JDBC connection was participating was rolled back at some point prior to or through the JDBC call.The rollback may have happened in an previous EJB invoke that was part of the transaction, or the rollback may have happened because the transaction timed out. In either case, the transaction will be rolled back, the connection returned to the pool and the database resources released.
Name the fundamental kinds of memory used in microprocessor systems There are three fundamental kinds of memory used in microprocessor systems - generallyknown asRAM, ROM, and
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Define user space? The system space is divided from virtual address space in which the user application programs reside. The letter space is known as user space.
Explain The Storage Class extern The Storage Class extern : One method of transmitting information across blocks and functions is to use external variables. When a variable is
What are the categories of Radio communication 1. Sky wave or ionosphere communication 2. Line-of-sight (LOS) microwave communication limited by horizon 3. Troposphere
Q. Explain Magnetic Read and Write Mechanisms? Data are recorded on and then retrieved from disk via a conducting coil called the head. In numerous systems there are two heads,
Q. Define Message Passing? The PVM communication model offers asynchronous blocking receive and asynchronous blocking send and nonblocking receive functions. In our terminology
Reprography: Reprography, as a term, has gained international recognition in 1963. It includes "photocopying , microcopying, duplicating and in-plant printing and is character
Q. Show Buffered mode for Point-to-point Message Passing? Buffered mode: Transmitting can be started whether or not matching receives has been started and transmitting may comp
Is the Process before and after the swap are the same? Give reason. Process before swapping is residing in the primary memory in its original form. The regions (text, data and
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