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java Programming Glossary: connectionsJDBC MySql Connection Pooling practices http://stackoverflow.com/questions/2313197/jdbc-mysql-connection-pooling-practices from connection pool mysql_testPool . Reason In use connections equal max pool size and expired max wait time. Cannot allocate.. pool size and expired max wait time. Cannot allocate more connections. RAR5114 Error allocating connection Error in allocating a connection... connection Error in allocating a connection. Cause In use connections equal max pool size and expired max wait time. Cannot allocate..
How to use java.net.URLConnection to fire and handle HTTP requests? http://stackoverflow.com/questions/2793150/how-to-use-java-net-urlconnection-to-fire-and-handle-http-requests implementation is somewhat buggy with keeping connections alive. You may want to turn it off by setting the http.keepAlive..
http://stackoverflow.com/questions/2839321/java-connectivity-with-mysql myDBHost.example.org and then obtain connections from it same as above Connection conn dataSource.getConnection..
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure http://stackoverflow.com/questions/2983248/com-mysql-jdbc-exceptions-jdbc4-communicationsexception-communications-link-fai URL. DB server is down. DB server doesn't accept TCP IP connections. DB server has run out of connections. Something in between.. accept TCP IP connections. DB server has run out of connections. Something in between Java and DB is blocking connections e.g... connections. Something in between Java and DB is blocking connections e.g. a firewall or proxy. To solve the one or the other follow..
Connection pooling options with JDBC: DBCP vs C3P0 [closed] http://stackoverflow.com/questions/520585/connection-pooling-options-with-jdbc-dbcp-vs-c3p0 reconnects on resume whereas DBCP never recovered connections if the link was taken out from beneath it. Worse still DBCP..
How do I accept a self-signed certificate with a Java HttpsURLConnection? http://stackoverflow.com/questions/859111/how-do-i-accept-a-self-signed-certificate-with-a-java-httpsurlconnection installed globally and I presume would affect all other connections from our application and that doesn't smell quite right to me..
How to get Ip address of our own system using java http://stackoverflow.com/questions/9481865/how-to-get-ip-address-of-our-own-system-using-java then create their own ServerSocket and start listening for connections. The bootstrapping node maintains a list of Nodes and returns..
ResultSet not closed when connection closed? http://stackoverflow.com/questions/103938/resultset-not-closed-when-connection-closed having problems with closing ResultSets when closing Connections we use Oracle db hence my corrections . java.sql.api says nothing..
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded http://stackoverflow.com/questions/12192592/java-sql-sqlexception-ora-01000-maximum-open-cursors-exceeded are reused multiple times over a longer period such as Connections and PreparedStatements Use local variables for ResultSets since.. beans or a database. In particular never hold JDBC objects Connections ResultSets PreparedStatements etc over different remote invocations..
Why would you ever implement finalize()? http://stackoverflow.com/questions/158174/why-would-you-ever-implement-finalize I saw someone comment that they use it to clean up Connections which is really scary since the only way to come as close to..
Closing Database Connections in Java http://stackoverflow.com/questions/2225221/closing-database-connections-in-java Database Connections in Java I am getting a little confused I was reading the below..
http://stackoverflow.com/questions/3465872/com-mchange-v2-resourcepool-cannotacquireresourceexception-a-resourcepool-could to connect to mysql with hibernate java.sql.SQLException Connections Could not be Acquired from the Underlying Database Please follow..
Error creating bean with name 'sessionFactory' : MalformedParameterizedTypeException http://stackoverflow.com/questions/3971219/error-creating-bean-with-name-sessionfactory-malformedparameterizedtypeexcep prop key hibernate.c3p0.min_size 2 prop Minimum number of Connections a pool will maintain at any given time. prop key hibernate.c3p0.max_size.. prop key hibernate.c3p0.max_size 9 prop Maximum number of Connections a pool will maintain at any given time. prop key hibernate.c3p0.timeout.. controls the total number of Statements cached for all Connections. If set it should be a fairly large number as each pooled Connection..
Closing JDBC Connections in Pool http://stackoverflow.com/questions/4938517/closing-jdbc-connections-in-pool JDBC Connections in Pool Our standard code section for using JDBC is... Connection..
Configure hibernate to connect to database via JNDI Datasource http://stackoverflow.com/questions/5303671/configure-hibernate-to-connect-to-database-via-jndi-datasource obtain connection to query metadata java.sql.SQLException Connections could not be acquired from the underlying database at com.mchange.v2.sql.SqlUtils.toSQLException..
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