Com. microsoft. sqlserver. jdbc. SQLServerException: connection to the TCPIP of the host localhost through port 1433 fails. Error: Connectionrefused: connect. Verify the Connection Properties, check that the SQLServer instance is running on the host, accept the TCPIP connection on this port, and make sure that the firewall does not
Com.
1. Are you sure you want to install the full JDBC version? Because there is a single-host version that can only connect to the SQL statements on the local machine, the single-host version is about 2 m, and the full version is about 6.5 m
2. After JDBC is installed, if the directory is in C:/program files/Microsoft SQL Server 2000 JDBC, open JBuilder and select Tools --> Configure libraries, select new in the list box on the left, enter name: SQL, Loc
Objective: To practice JDBC
Problem description: The simplest database connection error is that the TCP/IP connection to the host fails. (Windows 7 Operating System)
Eclipse 8.5 error:
Com. Microsoft. sqlserver. JDBC. sqlserverexception: The TCP/IP connection to the host fails. Java.net. connectexception: Connection refused: connectAt com.
An exception occurred while exchanging data from Oracle to the SQL Server intermediate database.
Com. Microsoft. sqlserver. JDBC. sqlserverexception: truncates string or binary data.
The exception information is as follows:
Caused:
Com. Microsoft. sqlserver. JDBC. sqlserverexception: truncates string or binary data.At
Microsoft Office Excel cannot access files or com, Microsoft Office Excel cannot access files "*. xls ". Possible causes: 1. The file name or path does not exist. 2 files are being used by other programs. 3. The workbook you want to save has the same name as the one currently opened.
An inexplicable error occurs. debugging on the local machine is normal, but once
The driver has been copied to the class path directory, and the specified class is not found, and then "jakarta-tomcat-5.0.28" for "jboss-4.0.2"
Org. springframework. jdbc. cannotGetJdbcConnectionException: cocould not get JDBC Connection; nested exception is org. apache. commons. dbcp. SQLNestedException: Cannot load JDBC driver class 'com. microsoft. jdbc. sqlserver. SQLServerDriver'Org. apache. commons.
Java obtains the result set, if (RS! = NULL), which is different from while (Rs. Next ().
Com. Microsoft. sqlserver. JDBC. sqlserverexception: The result set does not have the current row.
Cause: the RS position of the result set is located at the beginning of the first record, that is, 0. Therefore, when the if clause is used for determination, the current behavior of the result set is null.
This is
Com. Microsoft. sqlserver. JDBC. sqlserverexception: The system memory is insufficient. Use the server-side cursor: Java heap space for large resultset. Resultset size: 417,666,054. Total JVM memory size: 66,650,112.
This exception occurs when the SQL statement is too poorly written.
(Multi-table join query is performed here. I used a simple Select column from a, B, c, d Where. X = B. X and B. y = C. Y a
Com. microsoft. sqlserver. jdbc. SQLServerException: The result set does not have the current row, and the result set is exhausted.Refer to blog com. microsoft. sqlserver. jdbc. SQLServerException: The result set does not have the current row.
Java obtains the result set, if (rs! = Null), which is different from while
1. The error "Java. Lang. classnotfoundexception: COM. Microsoft. JDBC. sqlserver. sqlserverdriver" is displayed:
The final cause may be as follows:
1. SQL Server 2000 driver for JDBC is not installed
2. Pay attention to you after installationProgramWhether the package of the class has imported three files under the Lib file after the SQL Server 2000 driver for JDBC program is installed:
C:/program file
. executenonquery ();CN. Close ();} [AutoComplete] Public Void Testdtc () {Drawmoneyfroma (100);Depositmoneytob (100);} }
However, when I call the testdtc () method to test DTC, the CN in the drawmoneyfroma method is executed. when the open method is used, an exception is thrown. "The partner Transaction Manager has disabled remote/network transaction support." No reason is found.Later, I right-click "my computer" in the component configuration. When selecting properties, I found that
1First, go to the component service and view the component service./Computer/My computer/COM +ApplicationProgram, The error"COM +Cannot matchMicrosoftThe Distributed Transaction Coordination Program can not view the objects in the conversation.
2, Go to the Event Viewer and findMSDTCThe service is not started properly.
3, Delete the key value in the Registry (note that it is the key value in this catego
Myeclipse error message:
Error: COM. Microsoft. sqlserver. JDBC. sqlserverexception: the object name 'xx' is invalid.
Warning SQL error: 208, sqlstate: s0002
Error Description: The hql statement can be run in sqlserver, but an error is returned when it is run in hibernate.
Solution: the settings in the. HBM. xml file mapped to the data table are incorrect. You must not only add the database name catal
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