connection 1 « mysql « Java Database Q&A
1. Should I be using PreparedStatements for all my database inserts in Java? stackoverflow.comWhat is the recommended method for escaping variables before inserting them into the database in Java? As I understand, I can use PreparedStatement.setString() to escape the data, but PreparedStatement seems somewhat impractical ... |
2. Is JDBC Connection aquiring with MySQL slower than with e.g. Derby? stackoverflow.comI use
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3. webservice: error in code or connection stackoverflow.comI have a problem in my code or connection I think... I tried to connect to a MySQL database and web service, but when I run the program, it gives me the ... |
4. Using Prepared Statements and Connection Pooling together in MySQL stackoverflow.comPresently, for each query, a Prepared Statement is created and reused. I am not using any connection pool. C3P0 is a widely recommended library for the same. But, as a ... |
5. What is the best way/template to set up connection mysql and jdbc? stackoverflow.comWhat is the best way to set up connection with mysql's jdbc? And execute simple statement. How to do that? Thank you. |
6. jdbc4 CommunicationsException stackoverflow.comI have a machine running a java app talking to a mysql instance running on the same instance. the app uses jdbc4 drivers from mysql. I keep getting com.mysql.jdbc.exceptions.jdbc4.CommunicationsException at random ... |
7. Optimal number of connections in connection pool stackoverflow.comCurrently we are using 4 cpu windows box with 8gb RAM with MySQL 5.x installed on same box. We are using Weblogic application server for our application. We are targeting for ... |
8. isValid() call never returns on MySQL JDBC Connection stackoverflow.comI have trying to check whether connection is valid or not and using isValid() method of java.sql.Connection. But this method doesn't return and hangs. Is there anything I am missing or ... |
9. Java mysql connection time stackoverflow.comI have a java program running 24/7. It accesses mysql database every 3 seconds only from 9.am to 3.PM. In this case when should I should open and close the MySql ... |
10. Java-Mysql Connection error stackoverflow.comMy stack trace: |
11. ClientAbortException: java.net.SocketException: Connection reset by peer: socket write stackoverflow.comI am using MySQL 5.1 and my connector version is mysql-connector-java-5.1.7. I am getting following exception frequently. What is the issue? |
12. Can't make JDBC connection to MySQL (using Java, IntelliJ, and Linux) stackoverflow.comI am having issues trying to get a database connection using the code below: |
13. Jetty mysql connection-pool configuration error: javax.naming.NameNotFoundException; remaining name 'env/jdbc/---(mysql 5.0+jetty 7.0.1) stackoverflow.comMy configuration files project/WEB-INF/web.xml: |
14. Establishing persistent connection to a database in Java stackoverflow.comI've ran through several examples over the web, and found that every single time I need something from the DB, I should write the following code: |
15. Jetty 7 + MySQL Config [java.lang.ClassNotFoundException: org.mortbay.jetty.webapp.WebAppContext] stackoverflow.comI've been trying to get a c3p0 db connection pool configured for Jetty, but I keep getting a ClassNotFoundException: |
16. stored procedures, error #1312, CLIENT_MULTI_RESULTS flag stackoverflow.comi am writing stored procedures in MySQL that return values; |
17. java jdbc connection to mysql problem stackoverflow.comI am trying to connect to mysql from java web application in eclipse. |
18. Java / MySQL - How to access connection from another class? stackoverflow.comI'm just getting my head around java (and OOP for that matter), the only thing I am familiar with is MySQL. I need to keep the DB connection open throughout the ... |
19. Netstat shows numerous CLOSE_WAIT states for mysql connections stackoverflow.comThe output of netstat -an shows many mysql connections in CLOSE_WAIT state and when i checked the processlist in mysql using 'SHOW PROCESSLIST' the connections shown in netstat do not appear. ... |
20. Failed to execute stored procedure from the JDBC code using mysql connection stackoverflow.comI have one database. I executed a stored procedure on it. I wrote some JDBC code to connect to this database. When I am calling this stored procedure from my JDBC ... |
21. How to check the Database Connection leakage in J2EE application? stackoverflow.comIs there anyway to check the Connection leakage in J2EE application ? The application is running on my local machine. It uses MySQL database. User Enters his details into the Database. In my ... |
22. What files needed for JDBC connection to MySQL? stackoverflow.comI get the following error when attempting to connect to the MySQL database on my employer's local server: Unable to load database driver Details : java.lang.ClassNotFoundException: com.mysql.jdbc.Driver BUILD ... |
23. Does MySql support connection pooling for Java SE applications? stackoverflow.comFrom the examples that I have read and from the documentation on MysqlConnectionPoolDataSource at http://www.control.auc.dk/~04gr733/filer/javadoc-DB-driver/com/mysql/jdbc/jdbc2/optional/MysqlConnectionPoolDataSource.html it seems that Java SE applications cannot use connection pooling. Is this true? Can ... |
24. Does the setting time_out in mysql affect JDBC connection pool? stackoverflow.comIt's usually set to 60 seconds. But I think con pool will hold the connection, so is there any conflict? Thank you. |
25. MySQL connection using DefaultHttpClient stackoverflow.comI've tried to connect to mysql using DefaultHttpClient, but so far no success. Error connection refused. I can telnet MySQL using telnet 127.0.0.1 3306 enter code here I'am using this example from apache website |
26. Connection Time Out JDBC-MySQL stackoverflow.comI have a Java application running Win 7 connecting to MySQL on the same host. Eclipse IDE shows the following error every time after 8-10mins. The ... |
27. Java newbie needs help with database connection stackoverflow.comI'm new to Java but even newer to java database connections. I've managed to create a database connection and query a table when I put it in the Main class. Now ... |
28. Java FX and Database Connection stackoverflow.comI want to write a JavaFX program with Database Connection(MYSQL). I did not know how to create a connection in program. And the methods I found on internet is not working ... |
29. I want to give JDBC connection to mysql. I dont wish have the data values inside my class people() stackoverflow.com |
30. Java - JDBC connection stackoverflow.comI am getting this error: |
31. Unix socket connection to MySql with Java to avoid JDBC's TCP/IP overhead? stackoverflow.comIs it possible to make a Unix socket connection to MySql with Java to avoid JDBC's TCP/IP overhead? Does anyone know a library (or a few libraries, perhaps) that makes this possible? ... |
32. Basicdatasource connection time out problem (using mysql) stackoverflow.comI am using BasicDatasource in my application. This application is processing huge amount of raw data. Sometimes 1 query can take more than 15 minutes. (using mysql as db) Here is my ... |
33. Incorrect Use of JDBC Connection Pool stackoverflow.comI am running a Spring MVC application, backed by a MySQL database which I am accessing using JDBC. I have been using the same code for a while, and have never ... |
34. Java autogenerated MySQL database connection encoding stackoverflow.comi have a Java project connected to a MySQL database. |
35. How to make a MySQL Connection in JAVA stackoverflow.comI can't seem to get a connection made on my Java program to java, I have started the MySQL Server, made a database in phpMyAdmin. But I'm confused on how I ... |
36. A persistent connection with JDBC to MySQL stackoverflow.comI have an application that connects to MySQL using JDBC. There are cases where the JDBC connection lies idle for hours (maybe even days) and its loosing its connection to ... |
37. MysqlDataSource Invokes "Connection refused" Exception stackoverflow.comHere is a part from my program: |
38. MySQL connection in Java problem stackoverflow.comI try to get some data form database. The connection method works for sure, but I have a problem getting any data form DB: |
39. Java Netbeans: Editing the MySQL DB connection infos stackoverflow.comI just created a new project with NetBeans using the database template to connect to a MySQL database. After searching a while I got a question and hope anyone can help ... |
40. JDBC connection- Class.forName vs Class.forName().newInstance? stackoverflow.comWas wondering why both |
41. MySQL with Java: Open connection only if possible stackoverflow.comI'm running a database-heavy Java application on a cluster, using Connector/J 5.1.14. Therefore, I have up to 150 concurrent tasks accessing the same MySQL database. I get the following error: |
42. in mysql jdbc does auto commit affect all connections? stackoverflow.comwhen using a connection pool, will setting a connection's autocommit = false affect this connection only? if i close this connection without setting autocommit = true and get a new connection will this connection's policy ... |
43. mysql java connection error stackoverflow.comI am running my JAR file in linux (centos). All jar files work fine. Now i am trying to connect to mysql server, but it gave me following error. |
44. database connection ClassNotfoundException stackoverflow.comWhenever I execute my code for accessing a database I get the following error: :java.lang.ClassNotFoundException: com.mysql.jdbc.DriverError :java.lang.ClassNotFoundException: com.mysql.jdbc.Driver |
45. Closing JDBC Connections in Pool stackoverflow.comOur standard code section for using JDBC is... |
46. MySQL and JDBC Connection Pool: unclosed statements stackoverflow.comI am reviewing a big pile of existing code, trying to find unclosed connections that would cause the connection pool to run out or throw other erros. In some places I see ... |
47. JBoss connection pool creating many connections to MySQL stackoverflow.comWe are using a setup of JBoss 4.2.2.GA / Hibernate 3.2.4.sp1 / SpringMVC 2.5 / MySQL 5.0.27. Below is the mysql-ds.xml file: |
48. MySQL : Communication Link failure error and telnet localhost 3306 : Connection close stackoverflow.comIm trying to connect MYSQL db using Java where my SQL db is on localhost. Im facing some issues regarding communication link failure. |
49. MYSQL resetting the connection stackoverflow.comI am using CAS 3.4.5 on Apache tomcat 6 webserver with backend being mysql 5.1.37. I am connecting from CAS which is written in Java spring framework to Backend using mysql-jdbc-connector version ... |
50. jdbc connection using mysql stackoverflow.com |
51. JAVA MySQL Connection ClassNotFound Exception stackoverflow.com |
52. Java and MySql connection problem stackoverflow.comI am using Java+MySql. I am trying to add bulk data (around 40 million records). My application works fine for couple of hundred thousands records but after that it starts giving ... |
53. Java Connection to DB stackoverflow.comI am having a slight problem here. basically I want to create a connection pool to DB using a class. This pool can be usable by other classes to execute queries. I ... |
54. Jetty 7 + MySQL Config [java.lang.IllegalArgumentException: Object is not of type class org.eclipse.jett y.webapp.WebAppContext] stackoverflow.comI've been trying to get a c3p0 db connection pool configured for Jetty (7.4.1.v20110513), but I keep getting a java.lang.IllegalArgumentException : |
55. Java app handling for connections getting dropped stackoverflow.comMy app seems to be hanging overnight because of the connection getting dropped(I think that's the problem.) How can I structure my app so that it can try to roll up ... |
56. database connection not working in jar, but does work in eclipse stackoverflow.comI have created a simple database in MYSQL, which I am trying to pull data from in a java program written in Eclipse. When I run the program in eclipse, ... |
57. How to create a mysql persistent connection from a java application? stackoverflow.comHi I'm writing a java application which needs to create a persistent connection with a mysql database. I don't have access to the database server so I can't change anything on ... |
58. MyBatis - connection to MySQL randomly dropping stackoverflow.com*UPDATE: I found a method which didn't close the session after openning. I think this might be the cause. Will test and report later. * We are using MyBatis with our GWT ... |
59. Specifying TCP protocol in JDBC to mysql connection stackoverflow.comHow do you specify that the JDBC connection to mysql in the typical line |
60. JDBC MYSQL Connection without specifying database? stackoverflow.comI am using the SphinxQL MySQL client which stores indexes as "tables" but has no real notion of a "database"...One specifies the port (9306 in my case) at which the sphinx ... |
61. How to enable JDBC/MySqlConnectorj connection pooling? stackoverflow.comI am still newbish to java development as I am mainly a C# developer. I'd like to know how to use or enable connection pooling when I do SQL requests from ... |
62. JDBC/Connectorj: Understanding connection pooling stackoverflow.comI think I need to understand the concept of connection pool a bit better. I'm working in java with ConnectorJ and I deploy my servlet on a Apache Tomcat server. I've ... |
63. What value specify to creating new connection on MySql workbench stackoverflow.comi have installed MySql workbench. i want to create a database in MySql. when i click New connection, it open a dialog, there are following default values: - in connection method: there are ... |
64. Is a MySql connection with Broken Pipe or EOFException = null? stackoverflow.comJust curious, does a MySql connection with Broken Pipe or EOFException = null? I'm asking cause it might be causing a logic error in my code. Or is there a way to ... |
65. JDBC - XAMPP (MySQL db) - Connection problem through internet stackoverflow.comHow to connect MySQL db from another computer through internet. Where we can specify the configurations. my.ini does not work? |
66. jetty-maven-plugin JNDI JDBC Connection Problem stackoverflow.comI need help. I've got a Maven 3.0.3 project configured to run my webapp in Jetty for integration testing. The problem I'm having is that if I start jetty ... |
67. JDBC connection to sourceforge's mysql database stackoverflow.comHow do you specify that the JDBC connection to mysql in the typical line |
68. Solr indexing process: keep a persistent Mysql connection throu all the indexing process stackoverflow.comI wrote my custom update handler for my solr installation, using jdbc to query a mysql database. Everything works fine: the updater queries the db, gets the data i need and ... |
69. Problem with static variables in java stackoverflow.comI am using static variables pretty much heavily in my application. Now after the application status is finished I am facing a problem in garbage collection. The variables that are declares ... |
70. Get and SET Database Server Connection Variable with JDBC stackoverflow.comWhen i open a JDBC connection to a MySQL database i want to set some database server variable, so for example every time that a connection is established i want to ... |
71. Bone CP a new jdbc connection pooling library stackoverflow.comI experienced some weird problem using MySQL connection pool in resin application server.
Earlier I used Connector-J supplied connection pool manager |
72. Java MySQL - Named Pipe connection throws warning on close stackoverflow.comI am connecting to MySQL in Java with Connector/J using Named Pipes. My connection and query are successful, but I am receiving a warning when I try to close the connection. ... |
73. Am I Using JDBC Connection Pooling? stackoverflow.comI am trying to determine if I am actually using JDBC connection pooling. After doing some research, the implementation almost seems too easy. Easier than a regular connection in fact so ... |
74. How to change mysql timezone in java connection stackoverflow.comMysql run at GMT+8 but tomcat run at GMT. when save datetime to database, seem run ok, when i check the datetime value in DB, i see the GMT value. But when I ... |
75. connection to mysql server from clojure stackoverflow.comI'm trying to connect to a mysql database from clojure. I'm using the example code taken from: http://corfield.org/blog/post.cfm/connecting-clojure-and-mysql but I'm getting this error: |
76. Slackware 12 Really Slow JDBC stackoverflow.comGreeting, I've some problem with JDBC, it is so slow its unbeliveble. Same code works perfect with Windows connection to a remote Database. But with slackware, it takes like 30 seconds to connect, ... |
77. Java mysql jdbc connection using ipv6 stackoverflow.comThis is my first time try to connect to mysql using ipv6 host connection but it always return communication link failure. Can anyone suggest to me how to do that using ... |
78. C3p0 specify max and min Idle connections stackoverflow.comDBCP let's you specify a min and max number for Idle connections See Link I can't find a similar option in C3p0. I can specify a max and min pool ... |
79. Why do I need to flush the connection pool each time I redeploy? stackoverflow.comSOLVED 
Made my own dual familiar with the one on Oracle.
I have ... |
80. logback and mysql Connections could not be acquired stackoverflow.comI am using logback and mysql like this: |
81. Creating JDBC Connection in SOAPUI stackoverflow.comI am new to SOAPUI and have been trying to do query and procedure testing using SOAPUI. I went through the SOAPUI documentation on net however I am not able to ... |
82. establishing mysql/java/jdbc connection in runtime eclipse applications stackoverflow.comi am making a swing based desktop application that is initiated through a menu command in a runtime esclipe application.
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83. Java - JDBC - MYSQL connection stackoverflow.comI'm trying to connect to a server program i'm writing which I want it to connect to a MySQL DB and extract or insert information. I'm having a lot of trouble ... |
84. How to save time when opening JDBC MYSQL connections stackoverflow.comI have a very short Java application that just opens a connection to a remote MySQL database, reads some data, prints it, and exits. The most time-consuming part of the application ... |
85. Single transaction using multiple connections. (MYSQL/JDBC) stackoverflow.comThe application I'm working on is a Java-based ETL process that loads data into multiple tables. The DBMS is Infobright (a MYSQL-based DBMS geared for data warehousing). The data loading should be ... |
86. How to make a successful connection to MySQL Database bytes.comHi NewJavaProgrammer! Welcome to bytes.com! ...However, when I use Java code to make a connection, I get the following exception message: Exception:com.mysql.jdbc.Driver I'm sure, that isn't the complete error you get, ... |
87. how to resolve Connection to mysql database from jApplet on webpage bytes.comhi everyone,here is the way to connect to database from japplet on webpage if we are using netbeans ide the solution will be simple. just we need to sign the applet ... |
88. datbase connection with mysql and deploy in mobile forums.netbeans.orghiiii hello friends... pls help me.. me r new users to develop a new application with j2me using net beans IDE. pls help me to how to connect database with milet ... |
89. MySQL And NetBeans Connection forums.netbeans.orgHi. On my NetBeans database session, I have configured an MySQL instance. The instance is running. The configurations are correct. I have already commented the skip-network of my.cnf. I am in ... |
90. Connection Problems between Netbeans 6.8 and Mysql forums.netbeans.orgHello everyone, I have an application in netbeans 6.8 to connect to Mysql when I get a series of mistakes, I need help because they can not find the error. thanks ... |
91. MySQL Connection:Name of Connection object? forums.netbeans.orgI am attempting to connect from Netbeans to MySL using the New Connection Dialog (from Services)IE NOT USING CODE.I have installed the connector. Following is the data filled in the dialog ... |
92. problems with mysql connection forums.netbeans.orgHi, I cannot see the mysql under databases in netbeans. Here is the history of how my managed to get into trouble.. Initially I had earlier version of Netbeans installed. I ... |
93. XAMPP mysql connection error in netbeans forums.netbeans.orgHi guys plz help me out, I've been googling this problem for two days and still don't have a clue I installed XAMPP and netbeans 6.9 on windows 7, the problem ... |
94. Making a CORRECT MySQL Database Connection?? forums.netbeans.orgPlease forgive my ignorance as I am new to learning these applications. I need help understanding how to create a database connection based on MY particular MAMP (Mac, Apache, MySQL, PHP) set up. Netbeans (6.9.1) and Zend Studio automatically creates the following as the database URL: jdbc:mysql://localhost:3306/database name This connection above finds old databases that I created but no longer use. ... |
95. MySQL Connection Stops, not showing any exception forums.netbeans.orgpublic Connection conectar(String base) { try { Class.forName("com.mysql.jdbc.Driver").newInstance(); /*Stops when reach next line >>>*/ ... |
96. MySQL - netbean connection error SOLVED forums.netbeans.orgcom.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at com.mysql.jdbc.Util.handleNewInstance(Util.java:409) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1118) at com.mysql.jdbc.MysqlIO. |
97. Java NetBeans & MySQL Connection forums.netbeans.org |
98. How can I keep the MySQL connection always alive? forums.terracotta.orgI use MySQL as my DB. When I did not schedule or fire a job for a long time, the DB connection will be closed. Then I get an exception: java.sql.SQLException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.CommunicationsException MESSAGE: Communications link failure due to underlying exception: ** BEGIN NESTED ... |
99. Mysql - connection Configuration jmeter.512774.n5.nabble.comI have problem I run JDBC Request to myslql database when I put in filed : JDBC Driver class : com.mysql.jdbc.DriverI have in Jmeter.log : jmeter.protocol.jdbc.config.DataSourceElement: Could not load driver: com.mysql.jdbc java.lang.ClassNotFoundException: com.mysql.jdbc at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) ... |
100. mysql refused rmi connection coderanch.com |