Mysql Sql Error 0 Sqlstate 08001
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Sql Error 0 Sqlstate 08s01 Hibernate
developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is mysql sqlstate: 08s01 a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up SQLException: No suitable driver found [duplicate] up vote 3 down vote favorite 2 This question already has an answer here: The infamous java.sql.SQLException: No suitable driver found 2 answers I have java.sql.sqlexception no suitable driver postgresql a Java class that accesses a MySQL database through JDBC that I use in a JSP running on Tomcat, and I am getting No Driver Found Exception. I have a method: private static Statement makeStatement() { try{ com.mysql.jdbc.Driver d = null; try{d = new com.mysql.jdbc.Driver();}catch(Exception e){ System.out.println("ERROR BY NEW DRIVER " + e.toString() + "\n");e.printStackTrace();} Connection con = DriverManager.getConnection(url, user, password); return con.createStatement(); }catch(java.sql.SQLException ex){ System.out.println("ERROR IN makeStatement " + "\nERROR - " + ex.toString() + "\n ERROR CODE:\n " + ex.getErrorCode() + "\nSQLSTATE:\n " + ex.getSQLStat e());ex.printStackTrace();} return null; } That throws an error at Connection con = DriverManager.getConnection(url, user, password); Here is my printout from catalina.out: Received Parameters ERROR IN makeStatement ERROR - java.sql.SQLException: No suitable driver found for ERROR CODE: 0 SQLSTATE: 08001 java.sql.SQLException: No suitable driver found for at java.sql.DriverManager.getConnection(DriverManager.java:602) at java.sql.DriverManager.getConnection(DriverManager.java:185) at message.Message.makeStatement(Message.java:72) at message.Message.query(Message.java:79) at message.Message.getName(Message.java:225) at org.apache.jsp.message_jsp._jspService(message_jsp.java:288) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265) at javax.servlet.http.H
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about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users http://stackoverflow.com/questions/5982675/sqlexception-no-suitable-driver-found Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up WARN SqlExceptionHelper:143 - SQL Error: 0, SQLState: 08S01- SqlExceptionHelper:144 - Communications link failure http://stackoverflow.com/questions/15752667/warn-sqlexceptionhelper143-sql-error-0-sqlstate-08s01-sqlexceptionhelper up vote 5 down vote favorite 2 I have problem with Hibernate (hibernate-core-4.1.9.Final.jar) When i testing hibernate in for loop all working fine: for(int i=0;i<1500;i++){ UserDAO.getInstance.getById(1); } When i add Thread.sleep() in for loop for(int i=0;i<1500;i++){ UserDAO.getInstance.getById(1); Thread.sleep(60000); } After 1 minute i get exception : 00:20:06,447 WARN SqlExceptionHelper:143 - SQL Error: 0, SQLState: 08S01 00:20:06,448 ERROR SqlExceptionHelper:144 - Communications link failure The last packet successfully received from the server was 120,017 milliseconds ago. The last packet sent successfully to the server was 9 milliseconds ago. Exception in thread "main" org.hibernate.exception.JDBCConnectionException: Communications link failure The last packet successfully received from the server was 120,017 milliseconds ago. The last packet sent successfully to the server was 9 milliseconds ago. at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:131) at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110) at org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129) at org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81) at sun.proxy.$Proxy11.executeQuery(Unknown Source) at org.hibernate.loader.Loader.getResultSet(Loader.java:2031) at org.hibernate.loader.Loader.executeQueryStatement(Loa
not work correctly without it enabled. Please turn JavaScript back on and reload this page. All Places > JBoss AS > Persistence > Discussions Please enter a title. You can https://developer.jboss.org/thread/201085 not post a blank message. Please type your message and try again. 1 Reply Latest reply on Jun 14, 2012 5:36 PM by madchedar0 https://scn.sap.com/thread/1247919 JBoss 7.1.1 and Hibernate 4.0.1 with mySQL - java.sql.SQLException: No suitable driver found for jdbc:mysql:// madchedar0 Jun 14, 2012 5:40 PM I'm trying to no suitable create an ejb that programmatically configures hibernate to connect to a database.I'm able to connect using just jdbc calls, but when I use hibernate, I'm getting a "No suitable driver found" error.I have a HibernateFun bean that tells hibernate to load a User.hbm.xml file, then I set the no suitable driver hibernate connection properties. dbhost is just mapped to 127.0.0.1 and my dummy user/password is user/password. Again, I'm able to connect a-ok and retrieve data using a JDBC connection (see the jdbcConnect method).Here's my code:package test.ejb; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; import javax.annotation.PostConstruct; import javax.ejb.Singleton; import javax.ejb.Startup; import org.apache.log4j.Logger; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; @Singleton @Startup public class HibernateFun { protected Logger logger; private static SessionFactory hibernateSessionFactory; public HibernateFun() { logger = Logger.getLogger(this.getClass()); } @PostConstruct public void postConstruct() { //logger.info("This is a print from the post construct method!"); /*logger.info("Going to try a regular jdbc connection"); jdbcConnect(); logger.info("Finished a regular jdbc connection test");*/ logger.info("Trying a hibernate connect"); hibernateConnect(); logger.info("Finished hibernate connect"); } private void hibernateConnect() { Configuration cfg = new Configuration(); cfg.addClass(U
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